Grant number: CE170100013 | Funding period: 2017 - 2024
Completed
S Balu, C Power, K Walker, SSB Wyithe
2026-04-01
Where in the present-day Milky Way should we search for the remnants of its earliest stars? We address this question using the Dor..
B Metha, M Trenti, C Norman
2026-03-01
Resolved metallicity studies of local disc galaxies have revealed that their interstellar media (ISMs) are far from chemically hom..
N Dalmasso, G Ferrami, N Leethochawalit, EM Ventura, M Trenti
2026-02-01
We present the deepest clustering analysis of early galaxies to date, analysing $N_{\rm {g}} \simeq 6500$ photometrically-selected..
Giovanni Ferrami, Nathan J Adams, Lewi Westcott, Thomas Harvey, Rolf A Jansen, Jose M Diego, Vince Estrada-Carpenter, Rogier A Windhorst, Christopher J Conselice, Anton M Koekemoer, Jordan CJ D’Silva, Christopher Willmer, J Stuart B Wyithe, Michael J Rutkowski, Seth H Cohen, Brenda L Frye, Norman A Grogin
2025-12-13
<jats:title>ABSTRACT</jats:title> <jats:p>We present four galaxy scale lenses discovered in two James Webb Space..
N Dalmasso, PJ Watson, T Treu, M Trenti, B Vulcani, T Nanayakkara, M Bradač, T Jones, K Boyett, X Wang, S Mascia, L Pentericci
2025-12-01
We analyse James Webb Space Telescope (JWST) Near Infrared Imager and Slitless Spectrograph (NIRISS) and Near Infrared Spectrograp..
S Suresh, WJ Hon, RL Webster, C Wolf, CA Onken
2025-11-01
Active galactic nuclei (AGNs) are the compact, energetic central regions of galaxies, powered by supermassive black holes that acc..
MO del Castillo, J McRobbie, A Woods, R Mearns, J Morgan, M Trenti, S Barraclough, Y Tao, C Therakam, E Schoof, A Chapman, F Fiore, Y Evangelista, A Guzman, P Hedderman
The increase of ambitions, capabilities and sophistication of small satellite missions highlights the need for efficient payload m..
CM Trott, CD Nunhokee, D Null, N Barry, Y Qin, RB Wayth, JLB Line, CH Jordan, B Pindor, JH Cook, J Bowman, A Chokshi, J Ducharme, K Elder, Q Guo, BJ Hazelton, W Hidayat, T Ito, D Jacobs, E Jong
2025-10-01
We explore the properties of interferometric data from high-redshift 21 cm measurements using the Murchison Widefield Array (MWA)...
PJ Watson, B Vulcani, A Werle, B Poggianti, M Gullieuszik, M Trenti, X Wang, N Roy
2025-07-01
We present a study of a previously identified candidate jellyfish galaxy in the Abell 2744 cluster, F0083, which showed faint sign..
G Ferrami, J Stuart
2025-02-01
The redshift and size distributions of galaxy-scale strong lenses depend on the evolution of early-type galaxies. We use this depe..
Mengyuan Xiao, Pascal A Oesch, David Elbaz, Longji Bing, Erica J Nelson, Andrea Weibel, Garth D Illingworth, Pieter van Dokkum, Rohan P Naidu, Emanuele Daddi, Rychard J Bouwens, Jorryt Matthee, Stijn Wuyts, John Chisholm, Gabriel Brammer, Mark Dickinson, Benjamin Magnelli, Lucas Leroy, Daniel Schaerer, Thomas Herard-Demanche
2024-11-14
Recent James Webb Space Telescope (JWST) observations have revealed an unexpected abundance of massive-galaxy candidates in the ea..
E Merlin, P Santini, D Paris, M Castellano, A Fontana, T Treu, SL Finkelstein, JS Dunlop, P Arrabal Haro, M Bagley, K Boyett, A Calabrò, M Correnti, K Davis, M Dickinson, CT Donnan, HC Ferguson, F Fortuni, M Giavalisco, K Glazebrook
2024-11-01
Aims. We present a set of photometric catalogues primarily aimed at providing the community with a comprehensive database for the ..
A Chokshi, N Barry, JLB Line, CH Jordan, B Pindor, RL Webster
A first statistical detection of the 21-cm Epoch of Reionization (EoR) is on the horizon, as cosmological volumes of the Universe ..
N Dalmasso, A Calabrò, N Leethochawalit, B Vulcani, K Boyett, M Trenti, T Treu, M Castellano, M Bradač, B Metha, P Santini
2024-10-01
We present an analysis of the galaxy merger rate in the redshift range 4.0 < z < 9.0 (i.e. about 1.5 to 0.5 Gyr after the big bang..
MM Briel, B Metha, JJ Eldridge, TJ Moriya, M Trenti
Pair-instability superno vae (PISNe) hav e long been predicted to be the final fates of near-zero-metallicity v ery massiv e stars..
Y Zhu, GD Becker, SEI Bosman, C Cain, LC Keating, F Nasir, V D'Odorico, E Bañados, F Bian, M Bischetti, JS Bolton, H Chen, A D'Aloisio, FB Davies, RL Davies, AC Eilers, X Fan, P Gaikwad, B Greig, MG Haehnelt
2024-09-01
Recent quasar absorption line observations suggest that reionization may end as late as z ≈ 5.3. As a means to search for large ne..
B Greig, D Prelogović, J Mirocha, Y Qin, YS Ting, A Mesinger
Detecting the 21-cm signal at z ≳ 6 will reveal insights into the properties of the first galaxies responsible for driving reioniz..
N Dalmasso, N Leethochawalit, M Trenti, K Boyett
We report measurements of the galaxy two-point correlation function at cosmic dawn, using photometrically selected sources from th..
B Greig, D Prelogović, Y Qin, YS Ting, A Mesinger
Enlightening our understanding of the first galaxies responsible for driving reionization requires detecting the 21-cm signal from..
Z Xu, H Kim, JN Hewitt, KF Chen, NS Kern, E Rath, R Byrne, A Gorce, R Pascua, ZE Martinot, JS Dillon, BJ Hazelton, A Liu, MF Morales, Z Abdurashidova, T Adams, JE Aguirre, P Alexander, ZS Ali, R Baartman
2024-08-01
The key to detecting neutral hydrogen during the epoch of reionization (EoR) is to separate the cosmological signal from the domin..
T Morishita, M Stiavelli, C Grillo, P Rosati, S Schuldt, M Trenti, P Bergamini, K Boyett, RR Chary, N Leethochawalit, G Roberts-Borsani, T Treu, E Vanzella
We present deep JWST NIRSpec observations in the sight line of MACS J1149.5+2223, a massive cluster of galaxies at z = 0.54. We re..
WV Jacobson-Galán, L Dessart, KW Davis, CD Kilpatrick, R Margutti, RJ Foley, R Chornock, G Terreran, D Hiramatsu, M Newsome, E Padilla Gonzalez, C Pellegrino, DA Howell, AV Filippenko, JP Anderson, CR Angus, K Auchettl, KA Bostroem, TG Brink, R Cartier
We present ultraviolet/optical/near-infrared observations and modeling of Type II supernovae (SNe II) whose early time (δt<2 days)..
M Hilmi, N Leethochawalit, M Trenti, B Metha
2024-07-01
Potential contamination from low/intermediate-redshift galaxies, such as objects with a prominent Balmer break, affects the photom..
S Berger, MA Marshall, JSB Wyithe, T Di Matteo, Y Ni, SM Wilkins
2024-06-01
The hosts of two low-luminosity high-z quasars, J2255 + 0251 and J2236 + 0032, were recently detected using JWST 's NIRCam instrum..
K Boyett, M Trenti, N Leethochawalit, A Calabró, B Metha, G Roberts-Borsani, N Dalmasso, L Yang, P Santini, T Treu, T Jones, A Henry, CA Mason, T Morishita, T Nanayakkara, N Roy, X Wang, A Fontana, E Merlin, M Castellano
2024-05-01
James Webb Space Telescope observations have spectroscopically confirmed the existence of galaxies as early as 300 Myr after the B..
N Barry, JLB Line, CR Lynch, M Kriele, J Cook
2024-04-01
Measurements with widefield radio interferometers often include the near-infinite gradient between the sky and the horizon. This c..
JH Cook, S Balu, B Greig, CM Trott, JLB Line, Y Qin, JSB Wyithe
The cosmological 21-cm signal offers a potential probe of the early Universe and the first ionizing sources. Current experiments p..
B Metha, M Trenti, A Battisti, T Chu
2024-03-01
Geostatistical methods are powerful tools for understanding the spatial structure of the metallicity distribution of galaxies, and..
EM Ventura, Y Qin, S Balu, JBS Wyithe
We implemented Population III (Pop. III) star formation in mini-haloes within the MERAXES semi-analytic galaxy formation and reion..
N Dalmasso, M Trenti, N Leethochawalit
2024-02-01
We present a novel approach for measuring the two-point correlation function of galaxies in narrow pencil beam surveys with varyin..
X He, X Wang, T Jones, T Treu, K Glazebrook, MA Malkan, B Vulcani, B Metha, M Bradač, G Brammer, G Roberts-Borsani, V Strait, A Bonchi, M Castellano, A Fontana, C Mason, E Merlin, T Morishita, D Paris, P Santini
2024-01-08
We present a measurement of the mass–metallicity relation (MZR) at Cosmic Noon, using the JWST near-infrared wide-field slitless sp..
G Ferrami, SBJ Wyithe
2024-01-01
Photometric wide-area observations in the next decade will be capable of detecting a large number of galaxy-scale strong gravitati..
SJ Mutch, B Greig, Y Qin, GB Poole, JSB Wyithe
The fraction of ionizing photons that escape their host galaxies to ionize hydrogen in the intergalactic medium (IGM) is a critica..
Lisa J Kewley, J Stuart B Wyithe, Kim-Vy Tran, Ingrid Mccarthy
2023-12-01
In Australian astronomy, women’s representation remains at historic lows, despite a decade of initiatives aimed at improving the r..
P Sarmah, S Chakraborty, I Tamborra, K Auchettl
2023-11-15
Observations of some supernovae (SNe), such as SN 2014C, in the x-ray and radio wavebands revealed a rebrightening over a timescal..
JE Davies, S Bird, S Mutch, Y Ni, Y Feng, R Croft, TD Matteo, JSB Wyithe
2023-10-01
Accuracy in the topology and statistics of a simulated epoch of reionization (EoR) are vital to draw connections between observati..
S Balu, B Greig, JSB Wyithe
The hyperfine 21-cm transition of neutral hydrogen from the early Universe (z > 5) is a sensitive probe of the formation and evolu..
PA Oesch, G Brammer, RP Naidu, RJ Bouwens, J Chisholm, GD Illingworth, J Matthee, E Nelson, Y Qin, N Reddy, A Shapley, I Shivaei, P Van Dokkum, A Weibel, K Whitaker, S Wuyts, A Covelo-Paz, R Endsley, Y Fudamoto, E Giovinazzo
We present the JWST cycle 1 53.8 h medium program FRESCO, short for 'First Reionization Epoch Spectroscopically Complete Observati..
AV Payne, K Auchettl, BJ Shappee, CS Kochanek, PT Boyd, TWS Holoien, MM Fausnaugh, C Ashall, JT Hinkle, PJ Vallely, KZ Stanek, TA Thompson
2023-07-01
ASASSN-14ko is a nuclear transient at the center of the AGN ESO 253−G003 that undergoes periodic flares. Optical flares were first..
G Ferrami, JSB Wyithe
The bright end of the rest-frame ultraviolet luminosity function (UVLF) of high-redshift galaxies is modified by gravitational len..
V D'odorico, E Bañados, GD Becker, M Bischetti, SEI Bosman, G Cupani, R Davies, EP Farina, A Ferrara, C Feruglio, C Mazzucchelli, E Ryan-Weber, JT Schindler, A Sodini, BP Venemans, F Walter, H Chen, S Lai, Y Zhu, F Bian
The final phase of the reionization process can be probed by rest-frame UV absorption spectra of quasars at z ≳ 6, shedding light ..
TN Reynolds, B Catinella, L Cortese, N Deg, H Dénes, A Elagali, BQ For, P Kamphuis, D Kleiner, BS Koribalski, K Lee-Waddell, C Murugeshan, W Raja, J Rhee, K Spekkens, L Staveley-Smith, JM Van Der Hulst, J Wang, T Westmeier, OI Wong
2023-06-08
We investigate the diversity in the sizes and average surface densities of the neutral atomic hydrogen (H i) gas discs in 280 near..
C Jacobs, K Glazebrook, A Calabrò, T Treu, T Nannayakkara, T Jones, E Merlin, R Abraham, ARH Stevens, B Vulcani, L Yang, A Bonchi, K Boyett, M Bradač, M Castellano, A Fontana, D Marchesini, M Malkan, C Mason, T Morishita
2023-05-01
We present a rest-frame optical morphological analysis of galaxies observed with the NIRCam imager on the James Webb Space Telesco..
PD Aleo, K Malanchev, S Sharief, DO Jones, G Narayan, RJ Foley, VA Villar, CR Angus, VF Baldassare, MJ Bustamante-Rosell, D Chatterjee, C Cold, DA Coulter, KW Davis, S Dhawan, MR Drout, A Engel, KD French, A Gagliano, C Gall
We present the Young Supernova Experiment Data Release 1 (YSE DR1), comprised of processed multicolor PanSTARRS1 griz and Zwicky T..
S Mascia, L Pentericci, A Calabrò, T Treu, P Santini, L Yang, L Napolitano, G Roberts-Borsani, P Bergamini, C Grillo, P Rosati, B Vulcani, M Castellano, K Boyett, A Fontana, K Glazebrook, A Henry, C Mason, E Merlin, T Morishita
2023-04-01
The escape fraction of Lyman-continuum (LyC) photons ( fesc) is a key parameter for determining the sources of cosmic reionization..
K Glazebrook, T Nanayakkara, C Jacobs, N Leethochawalit, A Calabrò, A Bonchi, M Castellano, A Fontana, C Mason, E Merlin, T Morishita, D Paris, M Trenti, T Treu, P Santini, X Wang, K Boyett, M Bradac, G Brammer, T Jones
We present a first look at the reddest 2-5 μm sources found in deep images from the GLASS Early Release Science program. We undert..
WC Keel, RA Windhorst, RA Jansen, SH Cohen, J Summers, B Holwerda, ST Bradford, CD Robertson, G Ferrami, S Wyithe, H Yan, CJ Conselice, SP Driver, A Robotham, NA Grogin, CNA Willmer, AM Koekemoer, BL Frye, NP Hathi, RE Ryan
We derive the spatial and wavelength behavior of dust attenuation in the multiple-armed spiral galaxy VV 191b using backlighting b..
S Balu, B Greig, Y Qiu, C Power, Y Qin, S Mutch, JBS Wyithe
We predict the 21-cm global signal and power spectra during the Epoch of Reionization using the MERAXES semi-analytic galaxy forma..
M Thomas, M Trenti, A Sanna, R Campana, G Ghirlanda, J Ripa, L Burderi, F Fiore, Y Evangelista, L Amati, S Barraclough, K Auchettl, MO del Castillo, A Chapman, M Citossi, A Colagrossi, G Dilillo, N Deiosso, E Demenev, F Longo
2023-02-08
Multi-messenger observations of the transient sky to detect cosmic explosions and counterparts of gravitational wave mergers criti..
MJ Wilensky, F Kennedy, P Bull, JS Dillon, Z Abdurashidova, T Adams, JE Aguirre, P Alexander, ZS Ali, R Baartman, Y Balfour, AP Beardsley, G Bernardi, TS Billings, JD Bowman, RF Bradley, J Burba, S Carey, CL Carilli, C Cheng
2023-02-01
We present a Bayesian jackknife test for assessing the probability that a data set contains biased subsets, and, if so, which of t..
JT Hinkle, MA Tucker, BJ Shappee, TWS Holoien, PJ Vallely, T de Jaeger, K Auchettl, G Aldering, C Ashall, DD Desai, A Do, AV Payne, JL Tonry
We present the discovery that ATLAS18mlw was a tidal disruption event (TDE) in the galaxy WISEA J073544.83+663717.3, at a luminosi..
N Leethochawalit, M Trenti, P Santini, L Yang, E Merlin, M Castellano, A Fontana, T Treu, C Mason, K Glazebrook, T Jones, B Vulcani, T Nanayakkara, D Marchesini, S Mascia, T Morishita, G Roberts-Borsani, A Bonchi, D Paris, K Boyett
2023-01-01
We present the first James Webb Space Telescope/NIRCam-led determination of 7 < z < 9 galaxy properties based on broadband imaging..
RA Windhorst, SH Cohen, RA Jansen, J Summers, S Tompkins, CJ Conselice, SP Driver, H Yan, D Coe, B Frye, N Grogin, A Koekemoer, MA Marshall, R O’Brien, N Pirzkal, A Robotham, RE Ryan, CNA Willmer, T Carleton, JM Diego
We give an overview and describe the rationale, methods, and first results from NIRCam images of the JWST “Prime Extragalactic Are..
K Boyett, S Mascia, L Pentericci, N Leethochawalit, M Trenti, G Brammer, G Roberts-Borsani, V Strait, T Treu, M Bradac, K Glazebrook, A Acebron, P Bergamini, A Calabrò, M Castellano, A Fontana, C Grillo, A Henry, T Jones, D Marchesini
2022-12-01
Wide Field Slitless Spectroscopy (WFSS) provides a powerful tool for detecting strong line emission in star-forming galaxies (SFGs..
T Westmeier, N Deg, K Spekkens, TN Reynolds, AX Shen, S Gaudet, S Goliath, MT Huynh, P Venkataraman, X Lin, T O'Beirne, B Catinella, L Cortese, H Denes, A Elagali, BQ For, GIG Jozsa, C Howlett, JM Van Der Hulst, RJ Jurek
2022-11-15
We present WALLABY pilot data release 1, the first public release of H i pilot survey data from the Wide-field ASKAP L-band Legacy..
N Deg, K Spekkens, T Westmeier, TN Reynolds, P Venkataraman, S Goliath, AX Shen, R Halloran, A Bosma, B Catinella, WJG De Blok, H Denes, EM Diteodoro, A Elagali, BQ For, C Howlett, GIG Jozsa, P Kamphuis, D Kleiner, B Koribalski
We present the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) Pilot Phase I Hi kinematic models. This first data rel..
J Park, B Greig, A Mesinger
2022-11-01
The excursion set reionization framework is widely used due to its speed and accuracy in reproducing the 3D topology of reionizati..
B Greig, JSB Wyithe, SG Murray, SJ Mutch, CM Trott
Preparing for a first detection of the 21-cm signal during reionization by large-scale interferometer experiments requires rigorou..
B Welch, D Coe, E Zackrisson, SE de Mink, S Ravindranath, J Anderson, G Brammer, L Bradley, J Yoon, P Kelly, JM Diego, R Windhorst, A Zitrin, P Dimauro, Y Jiménez-Teja, null Abdurro’uf, M Nonino, A Acebron, F Andrade-Santos, RJ Avila
The gravitationally lensed star WHL 0137-LS, nicknamed Earendel, was identified with a photometric redshift z <inf>phot</inf> = 6...
T Jayasinghe, TA Thompson, CS Kochanek, KZ Stanek, DM Rowan, DV Martin, K El-Badry, PJ Vallely, JT Hinkle, D Huber, H Isaacson, J Tayar, K Auchettl, I Ilyin, AW Howard, C Badenes
We report the discovery of a stripped giant + lower giant Algol-type binary, 2M04123153+6738486 (2M0412), identified during a sear..
CM Trott, R Mondal, G Mellema, SG Murray, B Greig, JLB Line, N Barry, MF Morales
2022-10-13
Context. The Multi-frequency Angular Power Spectrum (MAPS) is an alternative to spherically averaged power spectra, and computes l..
Z Xu, JN Hewitt, KF Chen, H Kim, JS Dillon, NS Kern, MF Morales, BJ Hazelton, R Byrne, N Fagnoni, EDL Acedo, Z Abdurashidova, T Adams, JE Aguirre, P Alexander, ZS Ali, R Baartman, Y Balfour, AP Beardsley, G Bernardi
2022-10-01
Motivated by the desire for wide-field images with well-defined statistical properties for 21 cm cosmology, we implement an optima..
G Roberts-Borsani, T Morishita, T Treu, G Brammer, V Strait, X Wang, M Bradac, A Acebron, P Bergamini, K Boyett, A Calabró, M Castellano, A Fontana, K Glazebrook, C Grillo, A Henry, T Jones, M Malkan, D Marchesini, S Mascia
We present the first search for z ≥ 7, continuum-confirmed Lyman break sources with NIRISS/WFS spectroscopy over the Abell 2744 Fr..
E Merlin, A Bonchi, D Paris, D Belfiori, A Fontana, M Castellano, M Nonino, G Polenta, P Santini, L Yang, K Glazebrook, T Treu, G Roberts-Borsani, M Trenti, S Birrer, G Brammer, C Grillo, A Calabrò, D Marchesini, C Mason
We present the reduced images and multiwavelength catalog of the first JWST NIRCam extragalactic observations from the GLASS Early..
L DeMarchi, R Margutti, J Dittman, A Brunthaler, D Milisavljevic, MF Bietenholz, C Stauffer, D Brethauer, D Coppejans, K Auchettl, KD Alexander, CD Kilpatrick, JS Bright, LZ Kelley, MC Stroh, WV Jacobson-Galán
We present extensive multifrequency Karl G. Jansky Very Large Array (VLA) and Very Long Baseline Array (VLBA) observations of the ..
E Leonova, PA Oesch, Y Qin, RP Naidu, JSB Wyithe, S De Barros, RJ Bouwens, RS Ellis, RM Endsley, A Hutter, GD Illingworth, J Kerutt, I Labbé, N Laporte, D Magee, SJ Mutch, GW Roberts-Borsani, R Smit, DP Stark, M Stefanon
Before the end of the Epoch of Reionization, the Hydrogen in the Universe was predominantly neutral. This leads to a strong attenu..
Yuzo Ishikawa, Takahiro Morishita, Massimo Stiavelli, Nicha Leethochawalit, Harry Ferguson, Roberto Gilli, Charlotte Mason, Michele Trenti, Tommaso Treu, Colin Norman
2022-09-12
The distribution and properties of the first galaxies and quasars are critical pieces of the puzzle in understanding galaxy evolut..
M Thomas, M Trenti, J Greiner, M Skrutskie, DA Forbes, S Klose, KJ Mack, R Mearns, B Metha, E Skafidas, G Tagliaferri, N Tanvir
2022-08-05
Long-duration gamma-ray burst (GRB) afterglow observations offer cutting-edge opportunities to characterise the star formation his..
B Metha, M Trenti, T Chu, A Battisti
2022-08-01
The metallicity of diffuse ionized gas (DIG) cannot be determined using strong emission line diagnostics, which are calibrated to ..
T Treu, G Roberts-Borsani, M Bradac, G Brammer, A Fontana, A Henry, C Mason, T Morishita, L Pentericci, X Wang, A Acebron, M Bagley, P Bergamini, D Belfiori, A Bonchi, K Boyett, K Boutsia, A Calabró, GB Caminha, M Castellano
The GLASS-JWST Early Release Science (hereafter GLASS-JWST-ERS) Program will obtain and make publicly available the deepest extrag..
G Hosseinzadeh, CD Kilpatrick, Y Dong, DJ Sand, JE Andrews, KA Bostroem, D Janzen, JE Jencson, M Lundquist, NE Meza Retamal, J Pearson, S Valenti, S Wyatt, J Burke, D Hiramatsu, DA Howell, C McCully, M Newsome, EP Gonzalez, C Pellegrino
We present high-cadence optical, ultraviolet (UV), and near-infrared data of the nearby (D ≈ 23 Mpc) Type II supernova (SN) 2021yj..
TWS Holoien, JMM Neustadt, PJ Vallely, K Auchettl, JT Hinkle, C Romero-Cañizales, BJ Shappee, CS Kochanek, KZ Stanek, P Chen, S Dong, JL Prieto, TA Thompson, TG Brink, AV Filippenko, W Zheng, D Bersier, S Bose, AJ Burgasser, S Channa
2022-07-01
We present observations of the extremely luminous but ambiguous nuclear transient (ANT) ASASSN-17jz, spanning roughly 1200 days of..
B Greig, YS Ting, AA Kaurov
2022-06-01
Detecting the cosmic 21-cm signal during the Epoch of Reionization and Cosmic Dawn will reveal insights into the properties of the..
B Greig, A Mesinger, FB Davies, F Wang, J Yang, JF Hennawi
Bright, high-redshift (z > 6) QSOs are powerful probes of the ionization state of the intervening intergalactic medium (IGM). The ..
Y Zhu, GD Becker, SEI Bosman, LC Keating, V D'Odorico, RL Davies, HM Christenson, E Bañados, F Bian, M Bischetti, H Chen, FB Davies, AC Eilers, X Fan, P Gaikwad, B Greig, MG Haehnelt, G Kulkarni, S Lai, A Pallottini
We present a new investigation of the intergalactic medium near reionization using dark gaps in the Lyβ forest. With its lower opt..
WV Jacobson-Galán, P Venkatraman, R Margutti, D Khatami, G Terreran, RJ Foley, R Angulo, CR Angus, K Auchettl, PK Blanchard, A Bobrick, JS Bright, D Brout, KC Chambers, CD Couch, DA Coulter, K Clever, KW Davis, TJL De Boer, L Demarchi
We present panchromatic observations and modeling of calcium-strong supernovae (SNe) 2021gno in the star-forming host-galaxy NGC 4..
JT Hinkle, TWS Holoien, BJ Shappee, JMM Neustadt, K Auchettl, PJ Vallely, M Shahbandeh, M Kluge, CS Kochanek, KZ Stanek, ME Huber, RS Post, D Bersier, C Ashall, MA Tucker, JP Williams, T De Jaeger, A Do, M Fausnaugh, D Gruen
2022-05-01
We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated..
T Pitik, I Tamborra, CR Angus, K Auchettl
2022-04-01
The Zwicky Transient Facility follow-up campaign of alerts released by the IceCube Neutrino Observatory has led to the likely iden..
S Srivastav, SJ Smartt, ME Huber, KC Chambers, CR Angus, TW Chen, FP Callan, JH Gillanders, OR McBrien, SA Sim, M Fulton, J Hjorth, KW Smith, DR Young, K Auchettl, JP Anderson, G Pignata, TJL De Boer, CC Lin, EA Magnier
We present multiwavelength follow-up observations of the ATLAS discovered faint Iax supernova SN 2020kyg that peaked at an absolut..
JB Muñoz, Y Qin, A Mesinger, SG Murray, B Greig, C Mason
The formation of the first galaxies during cosmic dawn and reionization (at redshifts z = 5-30), triggered the last major phase tr..
N Barry, A Chokshi
Reconstruction of the sky brightness measured by radio interferometers is typically achieved through gridding techniques, or histo..
G Dimitriadis, RJ Foley, N Arendse, DA Coulter, WV Jacobson-Galán, MR Siebert, L Izzo, DO Jones, CD Kilpatrick, YC Pan, K Taggart, K Auchettl, C Gall, J Hjorth, D Kasen, AL Piro, SI Raimundo, E Ramirez-Ruiz, A Rest, JJ Swift
2022-03-01
Seeing pristine material from the donor star in a type Ia supernova (SN Ia) explosion can reveal the nature of the binary system. ..
Y Qin, JSB Wyithe, PA Oesch, GD Illingworth, E Leonova, SJ Mutch, RP Naidu
The highly neutral intergalactic medium (IGM) during the epoch of reionization (EoR) is expected to suppress Ly α emission with da..
CA Watkinson, B Greig, A Mesinger
We present the first application of the isosceles bispectrum to MCMC parameter inference from the cosmic 21-cm signal. We extend t..
WJ Hon, C Wolf, CA Onken, R Webster, K Auchettl
Changing-look active galactic nuclei (CLAGN) are AGN that change type as their broad emission lines appear or disappear, which is ..
SK Sarbadhicary, D Martizzi, E Ramirez-Ruiz, E Koch, K Auchettl, C Badenes, L Chomiuk
Momentum feedback from isolated supernova remnants (SNRs) have been increasingly recognized by modern cosmological simulations as ..
G Roberts-Borsani, T Morishita, T Treu, N Leethochawalit, M Trenti
We present the largest systematic, Hubble Space Telescope (HST)-based search to date for luminous z ≳ 8 galaxy candidates using ∼1..
S Wang, J Wang, BQ For, B Lee, TN Reynolds, X Lin, L Staveley-Smith, L Shao, OI Wong, B Catinella, P Serra, L Verdes-Montenegro, T Westmeier, K Lee-Waddell, BS Koribalski, C Murugeshan, A Elagali, D Kleiner, J Rhee, F Bigiel
We study the tidal interaction of galaxies in the Eridanus supergroup, using H i data from the pre-pilot survey of the Widefield A..
R Byrne, MF Morales, B Hazelton, I Sullivan, N Barry, C Lynch, JLB Line, DC Jacobs
2022-02-01
We present a broad-band map of polarized diffuse emission at 167-198 MHz developed from data from the Murchison Widefield Array (M..
N Leethochawalit, M Trenti, T Morishita, G Roberts-Borsani, T Treu
Having accurate completeness functions is crucial to the determination of the rest-frame ultraviolet luminosity functions (UVLFs) ..
Z Abdurashidova, JE Aguirre, P Alexander, ZS Ali, Y Balfour, AP Beardsley, G Bernardi, TS Billings, JD Bowman, RF Bradley, P Bull, J Burba, S Carey, CL Carilli, C Cheng, DR Deboer, M Dexter, E De Lera Acedo, T Dibblee-Barkman, JS Dillon
We report upper limits on the Epoch of Reionization 21 cm power spectrum at redshifts 7.9 and 10.4 with 18 nights of data (∼36 hr ..
G Terreran, WV Jacobson-Galán, JH Groh, R Margutti, DL Coppejans, G Dimitriadis, CD Kilpatrick, DJ Matthews, MR Siebert, CR Angus, TG Brink, AV Filippenko, RJ Foley, DO Jones, S Tinyanont, C Gall, H Pfister, Y Zenati, Z Ansari, K Auchettl
We present multiwavelength observations of the Type II SN 2020pni. Classified at ∼1.3 days after explosion, the object showed narr..
AV Payne, BJ Shappee, JT Hinkle, TWS Holoien, K Auchettl, CS Kochanek, KZ Stanek, TA Thompson, MA Tucker, JD Armstrong, PT Boyd, J Brimacombe, R Cornect, ME Huber, SW Jha, CC Lin
ASASSN-14ko is a recently discovered periodically flaring transient at the center of the active galactic nucleus (AGN) ESO 253-G00..
TN Reynolds, B Catinella, L Cortese, T Westmeier, GR Meurer, L Shao, D Obreschkow, J Román, L Verdes-Montenegro, N Deg, H DCrossed D Sign©nes, BQ For, D Kleiner, BS Koribalski, K Lee-Waddell, C Murugeshan, SH Oh, J Rhee, K Spekkens, L Staveley-Smith
We present results from our analysis of the Hydra I cluster observed in neutral atomic hydrogen (H i) as part of the Widefield ASK..
A Gagliano, L Izzo, CD Kilpatrick, B Mockler, WV Jacobson-Galán, G Terreran, G Dimitriadis, Y Zenati, K Auchettl, MR Drout, G Narayan, RJ Foley, R Margutti, A Rest, DO Jones, C Aganze, PD Aleo, AJ Burgasser, DA Coulter, R Gerasimov
2022-01-10
We present photometric and spectroscopic observations of Supernova 2020oi (SN 2020oi), a nearby (∼17 Mpc) type-Ic supernova (SN Ic..
B Mockler, AA Twum, K Auchettl, S Dodd, KD French, JAP Law-Smith, E Ramirez-Ruiz
Tidal disruption events (TDEs) provide a unique opportunity to probe the stellar populations around supermassive black holes (SMBH..
Z Abdurashidova, JE Aguirre, P Alexander, ZS Ali, Y Balfour, R Barkana, AP Beardsley, G Bernardi, TS Billings, JD Bowman, RF Bradley, P Bull, J Burba, S Carey, CL Carilli, C Cheng, DR Deboer, M Dexter, E De Lera Acedo, JS Dillon
Recently, the Hydrogen Epoch of Reionization Array (HERA) has produced the experiment's first upper limits on the power spectrum o..
JE Aguirre, SG Murray, R Pascua, ZE Martinot, J Burba, JS Dillon, DC Jacobs, NS Kern, P Kittiwisit, M Kolopanis, A Lanman, A Liu, L Whitler, Z Abdurashidova, P Alexander, ZS Ali, Y Balfour, AP Beardsley, G Bernardi, TS Billings
We describe the validation of the HERA Phase I software pipeline by a series of modular tests, building up to an end-to-end simula..
WV Jacobson-Galán, L Dessart, DO Jones, R Margutti, DL Coppejans, G Dimitriadis, RJ Foley, CD Kilpatrick, DJ Matthews, S Rest, G Terreran, PD Aleo, K Auchettl, PK Blanchard, DA Coulter, KW Davis, TJL De Boer, L Demarchi, MR Drout, N Earl
2022-01-01
We present panchromatic observations and modeling of supernova (SN) 2020tlf, the first normal Type II-P/L SN with confirmed precur..
Q Wang, A Rest, Y Zenati, R Ridden-Harper, G Dimitriadis, G Narayan, VA Villar, MR Magee, RJ Foley, EJ Shaya, P Garnavich, L Wang, L Hu, A Bódi, P Armstrong, K Auchettl, T Barclay, G Barentsen, Z Bognár, J Brimacombe
2021-12-20
We present the 30 minutes cadence Kepler/K2 light curve of the Type Ia supernova (SN Ia) SN 2018agk, covering approximately one we..
K Ren, M Trenti
2021-12-10
Modeling the evolution of the number density distribution of quasars through the quasar luminosity function (QLF) is critical to i..
M Rahimi, B Pindor, JLB Line, N Barry, CM Trott, RL Webster, CH Jordan, M Wilensky, S Yoshiura, A Beardsley, J Bowman, R Byrne, A Chokshi, BJ Hazelton, K Hasegawa, E Howard, B Greig, D Jacobs, R Joseph, M Kolopanis
2021-12-01
Current attempts to measure the 21 cm power spectrum of neutral hydrogen during the epoch of reionization (EoR) are limited by sys..
Nichole Barry, Gianni Bernardi, Bradley Greig, Nicholas Kern, Florent Mertens
2021-11-18
The Square Kilometer Array (SKA) is a planned radio interferometer of unprecedented scale that will revolutionize low-frequency ra..
B Metha, M Trenti, T Chu
2021-11-01
Thanks to recent advances in integral field spectroscopy, modern surveys of nearby galaxies are capable of resolving metallicity m..
P Armstrong, BE Tucker, A Rest, R Ridden-Harper, Y Zenati, AL Piro, S Hinton, C Lidman, S Margheim, G Narayan, E Shaya, P Garnavich, D Kasen, V Villar, A Zenteno, I Arcavi, M Drout, RJ Foley, J Wheeler, J Anais
SN 2017jgh is a type IIb supernova discovered by Pan-STARRS during the C16/C17 campaigns of the Kepler/K2 mission. Here, we presen..
MA Tucker, BJ Shappee, JT Hinkle, JMM Neustadt, M Eracleous, CS Kochanek, JL Prieto, AV Payne, L Galbany, JP Anderson, K Auchettl, C Auge, TWS Holoien
2021-10-01
We present Multi-Unit Spectroscopic Explorer (MUSE) integral-field spectroscopy of ESO 253-G003, which hosts a known active galact..
CM Trott, CH Jordan, JLB Line, CR Lynch, S Yoshiura, B Mckinley, P Dayal, B Pindor, A Hutter, K Takahashi, RB Wayth, N Barry, A Beardsley, J Bowman, R Byrne, A Chokshi, B Greig, K Hasegawa, BJ Hazelton, E Howard
The locations of Ly α-emitting galaxies (LAEs) at the end of the Epoch of Reionization (EoR) are expected to correlate with region..
BQ For, J Wang, T Westmeier, OI Wong, C Murugeshan, L Staveley-Smith, HM Courtois, D Pomarède, K Spekkens, B Catinella, KBW McQuinn, A Elagali, BS Koribalski, K Lee-Waddell, JP Madrid, A Popping, TN Reynolds, J Rhee, K Bekki, H Dènes
We present observations of the Eridanus supergroup obtained with the Australian Square Kilometre Array Pathfinder (ASKAP) as part ..
C Murugeshan, VA Kilborn, BQ For, OI Wong, J Wang, T Westmeier, ARH Stevens, K Spekkens, P Kamphuis, L Staveley-Smith, K Lee-Waddell, D Kleiner, BS Koribalski, ME Cluver, SH Oh, J Rhee, B Catinella, TN Reynolds, H Dénes, A Elagali
We use high-resolution ASKAP observations of galaxies in the Eridanus supergroup to study their H i, angular momentum, and star fo..
OI Wong, ARH Stevens, BQ For, T Westmeier, M Dixon, SH Oh, GIG Józsa, TN Reynolds, K Lee-Waddell, J Román, L Verdes-Montenegro, HM Courtois, D Pomarède, C Murugeshan, MT Whiting, K Bekki, F Bigiel, A Bosma, B Catinella, H Dénes
We present the Australian Square Kilometre Array Pathfinder (ASKAP) WALLABY pre-pilot observations of two 'dark' H i sources (with..
T Westmeier, S Kitaeff, D Pallot, P Serra, JM Van Der Hulst, RJ Jurek, A Elagali, BQ For, D Kleiner, BS Koribalski, K Lee-Waddell, JR Mould, TN Reynolds, J Rhee, L Staveley-Smith
2021-09-01
We present sofia 2, the fully automated 3D source finding pipeline for the WALLABY extragalactic H i survey with the Australian SK..
AJ Cameron, DB Fisher, D McPherson, GG Kacprzak, DA Berg, A Bolatto, J Chisholm, R Herrera-Camus, NM Nielsen, B Reichardt Chu, RJ Rickards Vaught, K Sandstrom, M Trenti
We present electron temperature (T e) maps for the edge-on system Mrk 1486, affording "direct-method"gas-phase metallicity measure..
T Jayasinghe, CS Kochanek, J Strader, KZ Stanek, PJ Vallely, TA Thompson, JT Hinkle, BJ Shappee, AK Dupree, K Auchettl, L Chomiuk, E Aydi, K Dage, A Hughes, L Shishkovsky, KV Sokolovsky, S Swihart, KT Voggel, IB Thompson
We characterize the extreme heartbeat star system MACHO 80.7443.1718 in the Large Magellanic Cloud using Transiting Exoplanet Surv..
K Ren, M Trenti, MA Marshall, T Di Matteo, Y Ni
2021-08-20
Significant clustering around the rarest luminous quasars is a feature predicted by dark matter theory combined with number densit..
T Hung, RJ Foley, S Veilleux, SB Cenko, JL Dai, K Auchettl, TG Brink, G Dimitriadis, AV Filippenko, S Gezari, TWS Holoien, CD Kilpatrick, B Mockler, AL Piro, E Ramirez-Ruiz, C Rojas-Bravo, MR Siebert, S Van Velzen, W Zheng
2021-08-10
We report the results of ultraviolet (UV) and optical photometric and spectroscopic analysis of the tidal disruption event (TDE) A..
S Yoshiura, B Pindor, JLB Line, N Barry, CM Trott, A Beardsley, J Bowman, R Byrne, A Chokshi, BJ Hazelton, K Hasegawa, E Howard, B Greig, D Jacobs, CH Jordan, R Joseph, M Kolopanis, C Lynch, B McKinley, DA Mitchell
2021-08-01
Observations in the lowest Murchison Widefield Array (MWA) band between 75 and 100 MHz have the potential to constrain the distrib..
J Tan, A Liu, NS Kern, Z Abdurashidova, JE Aguirre, P Alexander, ZS Ali, Y Balfour, AP Beardsley, G Bernardi, TS Billings, JD Bowman, RF Bradley, P Bull, J Burba, S Carey, CL Carilli, C Cheng, DR Deboer, M Dexter
Precise measurements of the 21 cm power spectrum are crucial for understanding the physical processes of hydrogen reionization. Cu..
TN Reynolds, T Westmeier, A Elagali, B Catinella, L Cortese, N Deg, BQ For, P Kamphuis, D Kleiner, BS Koribalski, K Lee-Waddell, SH Oh, J Rhee, P Serra, K Spekkens, L Staveley-Smith, ARH Stevens, EN Taylor, J Wang, OI Wong
We present results from neutral atomic hydrogen (H i) observations of Hydra I, the first cluster observed by the Widefield ASKAP L..
B Metha, AJ Cameron, M Trenti
2021-07-01
Models of chemical enrichment and inhomogeneity in high-redshift galaxies are challenging to constrain observationally. In this wo..
P La Plante, PKG Williams, M Kolopanis, JS Dillon, AP Beardsley, NS Kern, M Wilensky, ZS Ali, Z Abdurashidova, JE Aguirre, P Alexander, Y Balfour, G Bernardi, TS Billings, JD Bowman, RF Bradley, P Bull, J Burba, S Carey, CL Carilli
As current- and next-generation astronomical instruments come online, they will generate an unprecedented deluge of data. Analyzin..
SM Croom, MS Owers, N Scott, H Poetrodjojo, B Groves, J Van De Sande, TM Barone, L Cortese, F D'Eugenio, J Bland-Hawthorn, J Bryant, S Oh, S Brough, J Agostino, S Casura, B Catinella, M Colless, G Cecil, RL Davies, MJ Drinkwater
We have entered a new era where integral-field spectroscopic surveys of galaxies are sufficiently large to adequately sample large..
J Wang, L Staveley-Smith, T Westmeier, B Catinella, L Shao, TN Reynolds, BQ For, B Lee, ZZ Liang, S Wang, A Elagali, H Dénes, D Kleiner, BRS Koribalski, K Lee-Waddell, SH Oh, J Rhee, P Serra, K Spekkens, OI Wong
This study uses H i image data from the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) pilot survey with the Austral..
CD Kilpatrick, MR Drout, K Auchettl, G DImitriadis, RJ Foley, DO Jones, L Demarchi, KD French, C Gall, J Hjorth, WV Jacobson-Galán, R Margutti, AL Piro, E Ramirez-Ruiz, A Rest, C Rojas-Bravo
2021-06-01
We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a t..
T Jayasinghe, KZ Stanek, TA Thompson, CS Kochanek, DM Rowan, PJ Vallely, KG Strassmeier, M Weber, JT Hinkle, FJ Hambsch, DV Martin, JL Prieto, T Pessi, D Huber, K Auchettl, LA Lopez, I Ilyin, C Badenes, AW Howard, H Isaacson
We report the discovery of the closest known black hole candidate as a binary companion to V723 Mon. V723 Mon is a nearby ($d\sim ..
A Zabludoff, I Arcavi, S La Massa, HB Perets, B Trakhtenbrot, BA Zauderer, K Auchettl, JL Dai, KD French, T Hung, E Kara, G Lodato, WP Maksym, Y Qin, E Ramirez-Ruiz, N Roth, JC Runnoe, T Wevers
Recent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the ev..
S Bose, S Dong, CS Kochanek, MD Stritzinger, C Ashall, S Benetti, E Falco, AV Filippenko, A Pastorello, JL Prieto, A Somero, T Sukhbold, J Zhang, K Auchettl, TG Brink, JS Brown, P Chen, A Fiore, D Grupe, TWS Holoien
2021-05-01
ASASSN-18am/SN 2018gk is a newly discovered member of the rare group of luminous, hydrogen-rich supernovae (SNe) with a peak absol..
AV Payne, BJ Shappee, JT Hinkle, PJ Vallely, CS Kochanek, TWS Holoien, K Auchettl, KZ Stanek, TA Thompson, JMM Neustadt, MA Tucker, JD Armstrong, J Brimacombe, P Cacella, R Cornect, L Denneau, MM Fausnaugh, H Flewelling, D Grupe, AN Heinze
2021-04-01
We present the discovery that ASASSN-14ko is a periodically flaring active galactic nucleus at the center of the galaxy ESO 253-G0..
JT Hinkle, TWS Holoien, BJ Shappee, K Auchettl
In November 2020, the Swift team announced an update to the UltraViolet and Optical Telescope calibration to correct for the loss ..
A Chokshi, JLB Line, N Barry, D Ung, D Kenney, A McPhail, A Williams, RL Webster
The wide adoption of low-frequency radio interferometers as a tool for deeper and higher resolution astronomical observations has ..
E Van Der Velden, AR Duffy, D Croton, SJ Mutch
We demonstrate the potential of an emulator-based approach to analyzing galaxy formation models in the domain where constraining d..
Y Qin, A Mesinger, B Greig, J Park
2021-03-01
The first generation of galaxies is expected to form in minihaloes, accreting gas through H2 cooling, and possessing unique proper..
AJ Cameron, T Yuan, M Trenti, DC Nicholls, LJ Kewley
We investigate how H ii region temperature structure assumptions affect 'direct-method' spatially resolved metallicity observation..
CL Reichardt, S Patil, PAR Ade, AJ Anderson, JE Austermann, JS Avva, E Baxter, JA Beall, AN Bender, BA Benson, F Bianchini, LE Bleem, JE Carlstrom, CL Chang, P Chaubal, HC Chiang, TL Chou, R Citron, CC Moran, TM Crawford
2021-02-20
We report new measurements of millimeter-wave power spectra in the angular multipole range 2000 ≤ ℓ ≤ 11,000 (angular scales 5′ ≳ ..
DO Jones, RJ Foley, G Narayan, J Hjorth, ME Huber, PD Aleo, KD Alexander, CR Angus, K Auchettl, VF Baldassare, SH Bruun, KC Chambers, D Chatterjee, DL Coppejans, DA Coulter, L Demarchi, G Dimitriadis, MR Drout, A Engel, KD French
Time-domain science has undergone a revolution over the past decade, with tens of thousands of new supernovae (SNe) discovered eac..
B Greig, CM Trott, N Barry, SJ Mutch, B Pindor, RL Webster, JSB Wyithe
2021-02-01
We use the latest multiredshift (z = 6.5-8.7) upper limits on the 21-cm signal from the Murchison Widefield Array (MWA) to explore..
B Greig, A Mesinger, LVE Koopmans, B Ciardi, G Mellema, S Zaroubi, SK Giri, R Ghara, A Ghosh, IT Iliev, FG Mertens, R Mondal, AR Offringa, VN Pandey
Using the latest upper limits on the 21-cm power spectrum at z ≈ 9.1 from the Low Frequency Array (LOFAR), we explore the regions ..
JE Davies, RAC Croft, T Di-Matteo, B Greig, Y Feng, JSB Wyithe
A number of current and future experiments aim to detect the reionization of neutral hydrogen by the first stars and galaxies in t..
SA Dodd, JAP Law-Smith, K Auchettl, E Ramirez-Ruiz, RJ Foley
2021-01-20
We study the properties of the host galaxies of changing-look active galactic nuclei (CL AGNs) with the aim of understanding the c..
Y Qiu, SJ Mutch, PJ Elahi, RJJ Poulton, C Power, SBJ Wyithe
2021-01-01
Resolving faint galaxies in large volumes is critical for accurate cosmic reionization simulations. While less demanding than hydr..
JT Hinkle, TWS Holoien, K Auchettl, BJ Shappee, JMM Neustadt, AV Payne, JS Brown, CS Kochanek, KZ Stanek, MJ Graham, MA Tucker, A Do, JP Anderson, S Bose, P Chen, DA Coulter, G Dimitriadis, S Dong, RJ Foley, ME Huber
We present observations of ASASSN-19dj, a nearby tidal disruption event (TDE) discovered in the post-starburst galaxy KUG 0810+227..
MA Marshall, SJB Wyithe, RA Windhorst, TD Matteo, Y Ni, S Wilkins, RAC Croft, M Mechtley
The bright emission from high-redshift quasars completely conceals their host galaxies in the rest-frame ultraviolet/optical, with..
H Pfister, J Lixin Dai, M Volonteri, K Auchettl, M Trebitsch, E Ramirez-Ruiz
Accretion of stars on massive black holes (MBHs) can feed MBHs and generate tidal disruption events (TDEs). We introduce a new phy..
TN Reynolds, T Westmeier, L Staveley-Smith
2020-12-01
We present an analysis of the sky distribution of neutral hydrogen (H I) deficiency and spectral asymmetry for galaxies detected b..
Madeline A Marshall, Yueying Ni, Tiziana Di Matteo, J Stuart B Wyithe, Stephen Wilkins, Rupert AC Croft, Jussi K Kuusisto
We examine the properties of the host galaxies of z=7 quasars using the large volume, cosmological hydrodynamical simulation BLUET..
Zheng Zhang, Jonathan C Pober, Wenyang Li, Bryna J Hazelton, Miguel F Morales, Cathryn M Trott, Christopher H Jordan, Ronniy C Joseph, Adam Beardsley, Nichole Barry, Ruby Byrne, Steven J Tingay, Aman Chokshi, Kenji Hasegawa, Daniel C Jacobs, Adam Lanman, Jack LB Line, Christene Lynch, Benjamin McKinley, Daniel A Mitchell
2020-11-04
Precise instrumental calibration is of crucial importance to 21-cm cosmology experiments. The Murchison Widefield Array’s (MWA) Ph..
Tiara Hung, Ryan J Foley, Enrico Ramirez-Ruiz, Jane L Dai, Katie Auchettl, Charles D Kilpatrick, Brenna Mockler, Jonathan S Brown, David A Coulter, Georgios Dimitriadis, Thomas W-S Holoien, Jamie AP Law-Smith, Anthony L Piro, Armin Rest, Cesar Rojas-Bravo, Matthew R Siebert
2020-11-01
We present the multiwavelength analysis of the tidal disruption event (TDE) AT 2018hyz (ASASSN-18zj). From follow-up optical spect..
Y Qin, V Poulin, A Mesinger, B Greig, S Murray, J Park
The Epoch of Reionization (EoR) depends on the complex astrophysics governing the birth and evolution of the first galaxies and st..
Tyler Holland-Ashford, Laura A Lopez, Katie Auchettl
W49B is the youngest supernova remnant (SNR) to date that exhibits recombining plasma. The two prevailing theories of this overion..
T Morishita, M Stiavelli, M Trenti, T Treu, GW Roberts-Borsani, CA Mason, T Hashimoto, L Bradley, D Coe, Y Ishikawa
To extend the search for quasars in the epoch of reionization beyond the tip of the luminosity function, we explore point-source c..
Michael J Wilensky, Nichole Barry, Miguel F Morales, Bryna J Hazelton, Ruby Byrne
2020-10-01
We quantify the effect of radio frequency interference (RFI) on measurements of the 21-cm power spectrum during the Epoch of Reion..
MA Marshall, M Mechtley, RA Windhorst, SH Cohen, RA Jansen, L Jiang, VR Jones, JSB Wyithe, X Fan, NP Hathi, K Jahnke, WC Keel, AM Koekemoer, V Marian, K Ren, J Robinson, HJA Rottgering, RE Ryan, E Scannapieco, DP Schneider
2020-08-27
We report on a Hubble Space Telescope search for rest-frame ultraviolet emission from the host galaxies of five far-infrared-lumin..
Thomas W-S Holoien, Katie Auchettl, Michael A Tucker, Benjamin J Shappee, Shannon G Patel, James CA Miller-Jones, Brenna Mockler, Daniel N Groenewald, Jason T Hinkle, Jonathan S Brown, Christopher S Kochanek, KZ Stanek, Ping Chen, Subo Dong, Jose L Prieto, Todd A Thompson, Rachael L Beaton, Thomas Connor, Philip S Cowperthwaite, Linnea Dahmen
2020-08-01
We present nearly 500 days of observations of the tidal disruption event (TDE) ASASSN-18pg, spanning from 54 days before peak ligh..
L Izzo, K Auchettl, J Hjorth, F De Colle, C Gall, CR Angus, SI Raimundo, E Ramirez-Ruiz
2020-07-01
Long-duration gamma-ray bursts (GRBs) are almost unequivocally associated with very energetic, broad-line supernovae of Type Ic-BL..
A Ghosh, F Mertens, G Bernardi, MG Santos, NS Kern, CL Carilli, TL Grobler, LVE Koopmans, DC Jacobs, A Liu, AR Parsons, MF Morales, JE Aguirre, JS Dillon, BJ Hazelton, OM Smirnov, BK Gehlot, S Matika, P Alexander, ZS Ali
The key challenge in the observation of the redshifted 21-cm signal from cosmic reionization is its separation from the much brigh..
CD Nunhokee, AR Parsons, NS Kern, B Nikolic, JC Pober, G Bernardi, CL Carilli, Z Abdurashidova, JE Aguirre, P Alexander, ZS Ali, Y Balfour, AP Beardsley, TS Billings, JD Bowman, RF Bradley, J Burba, C Cheng, DR Deboer, M Dexter
The central challenge in 21 cm cosmology is isolating the cosmological signal from bright foregrounds. Many separation techniques ..
BS Koribalski, L Staveley-Smith, T Westmeier, P Serra, K Spekkens, OI Wong, K Lee-Waddell, CDP Lagos, D Obreschkow, EV Ryan-Weber, M Zwaan, V Kilborn, G Bekiaris, K Bekki, F Bigiel, A Boselli, A Bosma, B Catinella, G Chauhan, ME Cluver
The Widefield ASKAP L-band Legacy All-sky Blind surveY (wallaby) is a next-generation survey of neutral hydrogen (H i) in the Loca..
Y Qin, A Mesinger, J Park, B Greig, JB Muñoz
2020-06-01
The very first galaxies that started the cosmic dawn likely resided in so-called ‘minihaloes’, with masses of ∼10<sup>5</sup>–10<s..
Benjamin Metha, Michele Trenti
The rate of long-duration gamma-ray bursts (GRBs) has been identified as a potential proxy for the star formation rate (SFR) acros..
Keven Ren, Michele Trenti, Tiziana Di Matteo
2020-05-14
The quasar luminosity function (QLF) offers insight into the early coevolution of black holes and galaxies. It has been characteri..
Madeline A Marshall, Simon J Mutch, Yuxiang Qin, Gregory B Poole, J Stuart B Wyithe
2020-05-01
Correlations between black holes and their host galaxies provide insight into what drives black hole-host co-evolution. We use the..
JT Hinkle, TWS Holoien, BJ Shappee, K Auchettl, CS Kochanek, KZ Stanek, AV Payne, TA Thompson
We compare the luminosity, radius, and temperature evolution of the UV/optical blackbodies for 21 well-observed tidal disruption e..
A Nasirudin, SG Murray, CM Trott, B Greig, RC Joseph, C Power
2020-04-20
Predictions for the ability of 21 cm interferometric experiments to discriminate Epoch of Reionization (EoR) signal models are typ..
CM Trott, CH Jordan, S Midgley, N Barry, B Greig, B Pindor, JH Cook, G Sleap, SJ Tingay, D Ung, P Hancock, A Williams, J Bowman, R Byrne, A Chokshi, BJ Hazelton, K Hasegawa, D Jacobs, RC Joseph, W Li
2020-04-01
We compute the spherically averaged power spectrum from four seasons of data obtained for the Epoch of Reionization (EoR) project ..
TN Reynolds, T Westmeier, L Staveley-Smith, G Chauhan, CDP Lagos
We present an analysis of morphological, kinematic, and spectral asymmetries in observations of atomic neutral hydrogen (H I) gas ..
NS Kern, JS Dillon, AR Parsons, CL Carilli, G Bernardi, Z Abdurashidova, JE Aguirre, P Alexander, ZS Ali, Y Balfour, AP Beardsley, TS Billings, JD Bowman, RF Bradley, P Bull, J Burba, S Carey, C Cheng, DR Deboer, M Dexter
2020-02-20
We discuss absolute calibration strategies for Phase I of the Hydrogen Epoch of Reionization Array (HERA), which aims to measure t..
NS Kern, AR Parsons, JS Dillon, AE Lanman, A Liu, P Bull, A Ewall-Wice, Z Abdurashidova, JE Aguirre, P Alexander, ZS Ali, Y Balfour, AP Beardsley, G Bernardi, JD Bowman, RF Bradley, J Burba, CL Carilli, C Cheng, DR Deboer
2020-01-10
We present a study of internal reflection and cross-coupling systematics in Phase I of the Hydrogen Epoch of Reionization Array (H..
JLB Line, DA Mitchell, B Pindor, JL Riding, B McKinley, RL Webster, CM Trott, N Hurley-Walker, AR Offringa
2020-01-01
To make a power spectrum (PS) detection of the 21-cm signal from the Epoch of Reionisation (EoR), one must avoid/subtract bright f..
JS Dillon, M Lee, ZS Ali, AR Parsons, N Orosz, CD Nunhokee, P La Plante, AP Beardsley, NS Kern, Z Abdurashidova, JE Aguirre, P Alexander, Y Balfour, G Bernardi, TS Billings, JD Bowman, RF Bradley, P Bull, J Burba, S Carey
In 21-cm cosmology, precision calibration is key to the separation of the neutral hydrogen signal from very bright but spectrally ..
B Greig, A Mesinger, LVE Koopmans
Interferometry of the cosmic 21-cm signal is set to revolutionize our understanding of the epoch of reionization (EoR) and the cos..
W Li, JC Pober, N Barry, BJ Hazelton, MF Morales, CM Trott, A Lanman, M Wilensky, I Sullivan, AP Beardsley, T Booler, JD Bowman, R Byrne, B Crosse, D Emrich, TMO Franzen, K Hasegawa, L Horsley, M Johnston-Hollitt, DC Jacobs
2019-12-20
The compact configuration of Phase II of the Murchison Widefield Array (MWA) consists of both a redundant subarray and pseudo-rand..
BQ For, L Staveley-Smith, T Westmeier, M Whiting, SH Oh, B Koribalski, J Wang, OI Wong, G Bekiaris, L Cortese, A Elagali, D Kleiner, K Lee-Waddell, JP Madrid, A Popping, J Rhee, TN Reynolds, JD Collier, CJ Phillips, MA Voronkov
2019-11-11
We present an H I study of the galaxy group LGG 351 using Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY) early scien..
MJ Wilensky, MF Morales, BJ Hazelton, N Barry, R Byrne, S Roy
2019-11-01
We introduce a new pipeline for analyzing and mitigating radio frequency interference (RFI), which we call Sky-Subtracted Incohere..
Y Qiu, SJ Mutch, E da Cunha, GB Poole, JB Stuart Wyithe
2019-10-11
We present a new analysis of high-redshift UV observations using a semi-analytic galaxy formation model, and provide self-consiste..
JE Davies, SJ Mutch, Y Qin, A Mesinger, GB Poole, JB Stuart Wyithe
Intergalactic medium temperature is a powerful probe of the epoch of reionization, as information is retained long after reionizat..
N Barry, M Wilensky, CM Trott, B Pindor, AP Beardsley, BJ Hazelton, IS Sullivan, MF Morales, JC Pober, J Line, B Greig, R Byrne, A Lanman, W Li, CH Jordan, RC Joseph, B Mckinley, M Rahimi, S Yoshiura, JD Bowman
2019-10-10
Measurements of 21 cm Epoch of Reionization (EoR) structure are subject to systematics originating from both the analysis and the ..
MA Marshall, SJ Mutch, Y Qin, GB Poole, JSB Wyithe
2019-09-11
We study the sizes, angular momenta, and morphologies of high-redshift galaxies, using an update of the MERAXES semi-analytic gala..
J Kerrigan, P la Plante, S Kohn, JC Pober, J Aguirre, Z Abdurashidova, P Alexander, ZS Ali, Y Balfour, AP Beardsley, G Bernardi, JD Bowman, RF Bradley, J Burba, CL Carilli, C Cheng, DR DeBoer, M Dexter, E de Lera Acedo, JS Dillon
Radio frequency interference (RFI) is an ever-present limiting factor among radio telescopes even in the most remote observing loc..
AJ Cameron, T Jones, T Yuan, M Trenti, S Bernard, A Henry, A Hoag, B Vulcani
2019-09-10
We report J-band MOSFIRE spectroscopy of a low-mass () star-forming galaxy at z = 0.997 showing the detection of [N ii] and [S ii]..
SA Kohn, JE Aguirre, P La Plante, TS Billings, PM Chichura, AF Fortino, AS Igarashi, RK Benefo, S Gallardo, ZE Martinot, CD Nunhokee, NS Kern, P Bull, A Liu, P Alexander, ZS Ali, AP Beardsley, G Bernardi, JD Bowman, RF Bradley
2019-09-01
Foreground power dominates the measurements of interferometers that seek a statistical detection of highly-redshifted H i emission..
Y Qin, AR Duffy, SJ Mutch, GB Poole, A Mesinger, JSB Wyithe
2019-08-01
We directly compare predictions of dwarf galaxy properties in a semi-analytic model (SAM) with those extracted from a high-resolut..
CM Trott, SC Fu, SG Murray, CH Jordan, JLB Line, N Barry, R Byrne, BJ Hazelton, K Hasegawa, R Joseph, T Kaneuji, K Kubota, W Li, C Lynch, B McKinley, DA Mitchell, MF Morales, B Pindor, JC Pober, M Rahimi
2019-07-01
We explore methods for robust estimation of the 21 cm signal from the Epoch of Reionization (EoR). A Kernel Density Estimator (KDE..
K Lee-Waddell, BS Koribalski, T Westmeier, A Elagali, BQ For, D Kleiner, JP Madrid, A Popping, TN Reynolds, J Rhee, P Serra, L Shao, L Staveley-Smith, J Wang, MT Whiting, OI Wong, JR Allison, S Bhandari, JD Collier, G Heald
2019-06-25
We report on neutral hydrogen (H i) observations of the NGC 7232 group with the Australian Square Kilometre Array Pathfinder (ASKA..
K Ren, M Trenti, CA Mason
2019-06-20
The Ultraviolet Luminosity Function (UVLF) is a key observable for understanding galaxy formation from cosmic dawn. There has been..
A Hoag, M Bradač, K Huang, C Mason, T Treu, KB Schmidt, M Trenti, V Strait, BC Lemaux, EQ Finney, M Paddock
2019-06-10
We present a large spectroscopic campaign with Keck/Multi-Object Spectrometer for InfraRed Exploration (MOSFIRE) targeting Lyα emi..
T Morishita, LE Abramson, T Treu, GB Brammer, T Jones, P Kelly, M Stiavelli, M Trenti, B Vulcani, X Wang
2019-06-01
Observations have revealed massive (log M∗/M<inf>o</inf> ≳ 11) galaxies that were already dead when the universe was only ∼2 Gyr. ..
B Greig, A Mesinger, E Bañados
2019-04-21
The recent detection of ULASJ1342+0928, a bright QSO at z = 7.54, provides a powerful probe of the ionization state of the interve..
R Byrne, MF Morales, B Hazelton, W Li, N Barry, AP Beardsley, R Joseph, J Pober, I Sullivan, C Trott
2019-04-10
Precise instrument calibration is critical to the success of 21 cm cosmology experiments. Unmitigated errors in calibration contam..
J Park, A Mesinger, B Greig, N Gillet
2019-03-21
The properties of the first galaxies, expected to drive the Cosmic Dawn and the Epoch of Reionization, are encoded in the 3D struc..
R Džudžar, V Kilborn, G Meurer, SM Sweet, M Drinkwater, K Bekki, F Audcent-Ross, B Koribalski, JH Kim, M Putman, E Ryan-Weber, M Zwaan, J Bland-Hawthorn, M Dopita, MT Doyle-Pegg, E Elson, K Freeman, D Hanish, T Heckman, R Kennicutt
2019-03-11
We present an analysis of the integrated neutral hydrogen (H i) properties for 27 galaxies within nine low-mass, gas-rich, late-ty..
Nicolas Gillet, Andrei Mesinger, Bradley Greig, Adrian Liu, Graziano Ucci
2019-03-01
The 21-cm power spectrum (PS) has been shown to be a powerful discriminant of reionization and cosmic dawn astrophysical parameter..
AJ Cameron, M Trenti, RC Livermore, C Van Der Velden
2019-02-21
Gravitational clustering broadens the count-in-cells distribution of galaxies for surveys along uncorrelated (well-separated) line..
TN Reynolds, T Westmeier, L Staveley-Smith, A Elagali, BQ For, D Kleiner, BS Koribalski, K Lee-Waddell, JP Madrid, A Popping, J Rhee, M Whiting, OI Wong, LJM Davies, S Driver, A Robotham, JR Allison, G Bekiaris, JD Collier, G Heald
2019-01-21
We present Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY) early science results from the Australian Square Kilometre..
CM Trott, CA Watkinson, CH Jordan, S Yoshiura, S Majumdar, N Barry, R Byrne, BJ Hazelton, K Hasegawa, R Joseph, T Kaneuji, K Kubota, W Li, J Line, C Lynch, B McKinley, DA Mitchell, MF Morales, S Murray, B Pindor
2019-01-01
We apply two methods to estimate the 21-cm bispectrum from data taken within the Epoch of Reionisation (EoR) project of the Murchi..
E van der Velden, AR Duffy, D Croton, SJ Mutch, M Sinha
We have built PRISM, a Probabilistic Regression Instrument for Simulating Models. PRISM uses the Bayes linear approach and history..
W Li, X Wang, J Vinkó, J Mo, G Hosseinzadeh, DJ Sand, J Zhang, H Lin, T Zhang, L Wang, J Zhang, Z Chen, D Xiang, L Rui, F Huang, X Li, X Zhang, L Li, E Baron, JM Derkacy
Supernova (SN) 2018oh (ASASSN-18bt) is the first spectroscopically confirmed Type Ia supernova (SN Ia) observed in the Kepler fiel..
BJ Shappee, TWS Holoien, MR Drout, K Auchettl, MD Stritzinger, CS Kochanek, KZ Stanek, E Shaya, G Narayan, JS Brown, S Bose, D Bersier, J Brimacombe, P Chen, S Dong, S Holmbo, B Katz, JA Muñoz, RL Mutel, RS Post
On 2018 February 4.41, the All-Sky Automated Survey for SuperNovae (ASAS-SN) discovered ASASSN-18bt in the K2 Campaign 16 field. W..
N Barry, AP Beardsley, R Byrne, B Hazelton, MF Morales, JC Pober, I Sullivan
Epoch of Reionisation (EoR) data analysis requires unprecedented levels of accuracy in radio interferometer pipelines. We have dev..
A Elagali, L Staveley-Smith, J Rhee, OI Wong, A Bosma, T Westmeier, BS Koribalski, G Heald, BQ For, D Kleiner, K Lee-Waddell, JP Madrid, A Popping, TN Reynolds, MJ Meyer, JR Allison, CDP Lagos, MA Voronkov, P Serra, L Shao
This paper reports on the atomic hydrogen gas (HI) observations of the spiral galaxy NGC 1566 using the newly commissioned Austral..
Y Qiu, JSB Wyithe, PA Oesch, SJ Mutch, Y Qin, I Labbé, RJ Bouwens, M Stefanon, GD Illingworth
2018-12-01
We investigate the dependence of galaxy clustering at z ~ 4-7 on UV luminosity and stellar mass. Our sample consists of ~10 000 Ly..
B McKinley, G Bernardi, CM Trott, JLB Line, RB Wayth, AR Offringa, B Pindor, CH Jordan, M Sokolowski, SJ Tingay, E Lenc, N Hurley-Walker, JD Bowman, F Briggs, RL Webster
We present early results from a project to measure the sky-averaged (global), redshifted 21 cm signal from the Epoch of Reionizati..
T Morishita, M Trenti, M Stiavelli, LD Bradley, D Coe, PA Oesch, CA Mason, JS Bridge, BW Holwerda, RC Livermore, B Salmon, KB Schmidt, JM Shull, T Treu
2018-11-10
We present a full data analysis of the pure-parallel Hubble Space Telescope (HST) imaging observations in the Brightest of Reioniz..
CM Trott, CH Jordan, SG Murray, B Pindor, DA Mitchell, RB Wayth, J Line, B McKinley, A Beardsley, J Bowman, F Briggs, BJ Hazelton, J Hewitt, D Jacobs, MF Morales, JC Pober, S Sethi, U Shankar, R Subrahmanyan, M Tegmark
2018-11-01
Structure imprinted in foreground extragalactic point sources by ionospheric refraction has the potential to contaminate Epoch of ..
B-Q For, L Staveley-Smith, N Hurley-Walker, T Franzen, AD Kapinska, MD Filipovic, JD Collier, C Wu, K Grieve, JR Callingham, ME Bell, G Bernardi, JD Bowman, F Briggs, RJ Cappallo, AA Deshpande, KS Dwarakanath, BM Gaensler, LJ Greenhill, P Hancock
2018-10-01
We present the first low-frequency Murchison Widefield Array (MWA) radio continuum maps of the Magellanic Clouds (MCs), using mosa..
RA Monsalve, B Greig, JD Bowman, A Mesinger, AEE Rogers, TJ Mozdzen, NS Kern, N Mahesh
2018-08-10
We use the sky-average spectrum measured by EDGES High-band (90-190 MHz) to constrain parameters of early galaxies independent of ..
RC Livermore, M Trenti, LD Bradley, SR Bernard, BW Holwerda, CA Mason, T Treu
2018-07-10
We present follow-up imaging of two bright (L > L∗) galaxy candidates at z ≳ 8 from the Brightest of Reionizing Galaxies (BoRG) su..
B Greig, A Mesinger
2018-07-01
We extend 21CMMC, a Monte Carlo Markov Chain sampler of 3D reionization simulations, to perform parameter estimation directly on 3..
Y Qin, AR Duffy, SJ Mutch, GB Poole, PM Geil, A Mesinger, JSB Wyithe
2018-06-01
We study dwarf galaxy formation at high redshift (z ≥ 5) using a suite of high-resolution, cosmological hydrodynamic simulations a..
CA Mason, T Treu, S De Barros, M Dijkstra, A Fontana, A Mesinger, L Pentericci, M Trenti, E Vanzella
2018-04-20
Recent detections of Lyman alpha (Lyα) emission from z > 7.5 galaxies were somewhat unexpected given a dearth of previous non-dete..
K Ren, M Trenti, SJ Mutch
2018-03-20
The most luminous galaxies at high redshift are generally considered to be hosted in massive dark-matter halos of comparable numbe..
CA Mason, T Treu, M Dijkstra, A Mesinger, M Trenti, L Pentericci, S De Barros, E Vanzella
We present a new flexible Bayesian framework for directly inferring the fraction of neutral hydrogen in the intergalactic medium (..
RB Wayth, SJ Tingay, CM Trott, D Emrich, M Johnston-Hollitt, B McKinley, BM Gaensler, AP Beardsley, T Booler, B Crosse, TMO Franzen, L Horsley, DL Kaplan, D Kenney, MF Morales, D Pallot, G Sleap, K Steele, M Walker, A Williams
2018-01-01
We describe the motivation and design details of the 'Phase II' upgrade of the Murchison Widefield Array radio telescope. The expa..
BP Abbott, R Abbott, TD Abbott, F Acernese, K Ackley, C Adams, T Adams, P Addesso, RX Adhikari, VB Adya, C Affeldt, M Afrough, B Agarwal, M Agathos, K Agatsuma, N Aggarwal, OD Aguiar, L Aiello, A Ain, P Ajith
2017-01-01
On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observ..