ARC CENTRE OF EXCELLENCE FOR ALL SKY ASTROPHYSICS IN 3D (ASTRO 3D)
Grant number: CE170100013 | Funding period: 2017 - 2024
Related publications (147)
Early Results from GLASS-JWST. X. Rest-frame UV-optical Properties of Galaxies at 7 < z < 9
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
We present the first James Webb Space Telescope/NIRCam-led determination of 7 < z < 9 galaxy properties based on broadband imaging..
JWST PEARLS. Prime Extragalactic Areas for Reionization and Lensing Science: Project Overview and First Results
Rogier A Windhorst, Seth H Cohen, Rolf A Jansen, Jake Summers, Scott Tompkins, Christopher J Conselice, Simon P Driver, Haojing Yan, Dan Coe, Brenda Frye, Norman Grogin, Anton Koekemoer, Madeline A Marshall, Rosalia O'Brien, Nor Pirzkal, Aaron Robotham, Russell E Ryan, Christopher NA Willmer, Timothy Carleton, Jose M Diego
We give an overview and describe the rationale, methods, and first results from NIRCam images of the JWST “Prime Extragalactic Are..
Bayesian jackknife tests with a small number of subsets: application to HERA 21 cm power spectrum upper limits
Michael J Wilensky, Fraser Kennedy, Philip Bull, Joshua S Dillon, Zara Abdurashidova, Tyrone Adams, James E Aguirre, Paul Alexander, Zaki S Ali, Rushelle Baartman, Yanga Balfour, Adam P Beardsley, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Jacob Burba, Steven Carey, Chris L Carilli, Carina Cheng
<jats:title>ABSTRACT</jats:title> <jats:p>We present a Bayesian jackknife test for assessing the probability that a..
Early Results from GLASS-JWST. VI. Extreme Rest-optical Equivalent Widths Detected in NIRISS Wide Field Slitless Spectroscopy
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 Calabro, M Castellano, A Fontana, C Grillo, A Henry, T Jones, D Marchesini
Wide Field Slitless Spectroscopy (WFSS) provides a powerful tool for detecting strong line emission in star-forming galaxies (SFGs..
Optimising MWA EoR data processing for improved 21-cm power spectrum measurements-fine-tuning ionospheric corrections
J Kariuki Chege, CH Jordan, C Lynch, CM Trott, JLB Line, B Pindor, S Yoshiura
The redshifted cosmological 21-cm signal emitted by neutral hydrogen during the first billion years of the universe is much fainte..
Direct Optimal Mapping for 21 cm Cosmology: A Demonstration with the Hydrogen Epoch of Reionization Array
Zhilei Xu, Jacqueline N Hewitt, Kai-Feng Chen, Honggeun Kim, Joshua S Dillon, Nicholas S Kern, Miguel F Morales, Bryna J Hazelton, Ruby Byrne, Nicolas Fagnoni, Eloy de Lera Acedo, Zara Abdurashidova, Tyrone Adams, James E Aguirre, Paul Alexander, Zaki S Ali, Rushelle Baartman, Yanga Balfour, Adam P Beardsley, Gianni Bernardi
Motivated by the desire for wide-field images with well-defined statistical properties for 21 cm cosmology, we implement an optima..
Early Results from GLASS-JWST. I: Confirmation of Lensed z >= 7 Lyman-break Galaxies behind the Abell 2744 Cluster with NIRISS
Guido Roberts-Borsani, Takahiro Morishita, Tommaso Treu, Gabriel Brammer, Victoria Strait, Xin Wang, Marusa Bradac, Ana Acebron, Pietro Bergamini, Kristan Boyett, Antonello Calabro, Marco Castellano, Adriano Fontana, Karl Glazebrook, Claudio Grillo, Alaina Henry, Tucker Jones, Matthew Malkan, Danilo Marchesini, Sara Mascia
We present the first search for z ≥ 7, continuum-confirmed Lyman break sources with NIRISS/WFS spectroscopy over the Abell 2744 Fr..
Early Results from GLASS-JWST. II. NIRCam Extragalactic Imaging and Photometric Catalog
Emiliano Merlin, Andrea Bonchi, Diego Paris, Davide Belfiori, Adriano Fontana, Marco Castellano, Mario Nonino, Gianluca Polenta, Paola Santini, Lilan Yang, Karl Glazebrook, Tommaso Treu, Guido Roberts-Borsani, Michele Trenti, Simon Birrer, Gabriel Brammer, Claudio Grillo, Antonello Calabro, Danilo Marchesini, Charlotte Mason
We present the reduced images and multiwavelength catalog of the first JWST NIRCam extragalactic observations from the GLASS Early..
Radio Analysis of SN2004C Reveals an Unusual CSM Density Profile as a Harbinger of Core Collapse
Lindsay DeMarchi, R Margutti, J Dittman, A Brunthaler, D Milisavljevic, Michael F Bietenholz, C Stauffer, D Brethauer, D Coppejans, K Auchettl, KD Alexander, CD Kilpatrick, Joe S Bright, LZ Kelley, Michael C Stroh, W Jacobson-Galan
We present extensive multifrequency Karl G. Jansky Very Large Array (VLA) and Very Long Baseline Array (VLBA) observations of the ..
Unresolved z similar to 8 Point Sources and Their Impact on the Bright End of the Galaxy Luminosity Function
Yuzo Ishikawa, Takahiro Morishita, Massimo Stiavelli, Nicha Leethochawalit, Harry Ferguson, Roberto Gilli, Charlotte Mason, Michele Trenti, Tommaso Treu, Colin Norman
The distribution and properties of the first galaxies and quasars are critical pieces of the puzzle in understanding galaxy evolut..
The prevalence of galaxy overdensities around UV-luminous Lyman 𝛼 emitters in the Epoch of Reionization
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 Labbe, 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..
SkyHopper mission science case I: Identification of high redshift Gamma-Ray Bursts through space-based near-infrared afterglow observations
M Thomas, M Trenti, J Greiner, M Skrutskie, Duncan A Forbes, S Klose, KJ Mack, R Mearns, B Metha, E Skafidas, G Tagliaferri, N Tanvir
Long-duration gamma-ray burst (GRB) afterglow observations offer cutting-edge opportunities to characterise the star formation his..
The GLASS-JWST Early Release Science Program. I. Survey Design and Release Plans
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 Calabro, GB Caminha, M Castellano
The GLASS-JWST Early Release Science (hereafter GLASS-JWST-ERS) Program will obtain and make publicly available the deepest extrag..
Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja
Griffin Hosseinzadeh, Charles D Kilpatrick, Yize Dong, David J Sand, Jennifer E Andrews, K Azalee Bostroem, Daryl Janzen, Jacob E Jencson, Michael Lundquist, Nicolas E Meza Retamal, Jeniveve Pearson, Stefano Valenti, Samuel Wyatt, Jamison Burke, Daichi Hiramatsu, D Andrew Howell, Curtis McCully, Megan Newsome, Estefania Padilla Gonzalez, Craig Pellegrino
We present high-cadence optical, ultraviolet (UV), and near-infrared data of the nearby (D ≈ 23 Mpc) Type II supernova (SN) 2021yj..
Investigating the Nature of the Luminous Ambiguous Nuclear Transient ASASSN-17jz
Thomas W-S Holoien, Jack MM Neustadt, Patrick J Vallely, Katie Auchettl, Jason T Hinkle, Cristina Romero-Canizales, Benjamin J Shappee, Christopher S Kochanek, KZ Stanek, Ping Chen, Subo Dong, Jose L Prieto, Todd A Thompson, Thomas G Brink, Alexei Filippenko, WeiKang Zheng, David Bersier, Subhash Bose, Adam J Burgasser, Sanyum Channa
We present observations of the extremely luminous but ambiguous nuclear transient (ANT) ASASSN-17jz, spanning roughly 1200 days of..
Hydrogen reionization ends by z=5.3: Lyman-alpha optical depth measured by the XQR-30 sample
Sarah E Bosman, Frederick B Davies, George D Becker, Laura C Keating, Rebecca L Davies, Yongda Zhu, Anna-Christina Eilers, Valentina D'Odorico, Fuyan Bian, Manuela Bischetti, Stefano Cristiani, Xiaohui Fan, Emanuele P Farina, Martin G Haehnelt, Joseph F Hennawi, Girish Kulkarni, Andrei Mesinger, Romain A Meyer, Masafusa Onoue, Andrea Pallottini
The presence of excess scatter in the Ly-α forest at z ∼5.5, together with the existence of sporadic extended opaque Gunn-Peterson..
Long Dark Gaps in the Ly beta Forest at z < 6: Evidence of Ultra-late Reionization from XQR-30 Spectra
Yongda Zhu, George D Becker, Sarah EI Bosman, Laura C Keating, Valentina D'Odorico, Rebecca L Davies, Holly M Christenson, Eduardo Banados, Fuyan Bian, Manuela Bischetti, Huanqing Chen, Frederick B Davies, Anna-Christina Eilers, Xiaohui Fan, Prakash Gaikwad, Bradley Greig, Martin G Haehnelt, Girish Kulkarni, Samuel Lai, Andrea Pallottini
We present a new investigation of the intergalactic medium near reionization using dark gaps in the Lyβ forest. With its lower opt..
The Circumstellar Environments of Double-peaked, Calcium-strong Transients 2021gno and 2021inl
WV Jacobson-Galan, 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..
The 21-cm signal from the cosmic dawn: metallicity dependence of high-mass X-ray binaries
Harman Deep Kaur, Yuxiang Qin, Andrei Mesinger, Andrea Pallottini, Tassos Fragos, Antara Basu-Zych
X-rays from high-mass X-ray binaries (HMXBs) are likely the main source of heating of the intergalactic medium (IGM) during Cosmic..
The Curious Case of ASASSN-20hx: A Slowly Evolving, UV- and X-Ray-Luminous, Ambiguous Nuclear Transient
Jason T Hinkle, Thomas W-S Holoien, Benjamin J Shappee, Jack MM Neustadt, Katie Auchettl, Patrick J Vallely, Melissa Shahbandeh, Matthias Kluge, Christopher S Kochanek, KZ Stanek, Mark E Huber, Richard S Post, David Bersier, Christopher Ashall, Michael A Tucker, Jonathan P Williams, Thomas de Jaeger, Aaron Do, Michael Fausnaugh, Daniel Gruen
We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated..
IGM damping wing constraints on reionization from covariance reconstruction of two z greater than or similar to 7 QSOs
Bradley Greig, Andrei Mesinger, Frederick B Davies, Feige Wang, Jinyi Yang, Joseph F Hennawi
Bright, high-redshift (z > 6) QSOs are powerful probes of the ionization state of the intervening intergalactic medium (IGM). The ..
Is the High-energy Neutrino Event IceCube-200530A Associated with a Hydrogen-rich Superluminous Supernova?
Tetyana Pitik, Irene Tamborra, Charlotte R Angus, Katie Auchettl
The Zwicky Transient Facility follow-up campaign of alerts released by the IceCube Neutrino Observatory has led to the likely iden..
A Carbon/Oxygen-dominated Atmosphere Days after Explosion for the "Super-Chandrasekhar" Type Ia SN 2020esm
Georgios Dimitriadis, Ryan J Foley, Nikki Arendse, David A Coulter, Wynn Jacobson-Galan, Matthew R Siebert, Luca Izzo, David O Jones, Charles D Kilpatrick, Yen-Chen Pan, Kirsty Taggart, Katie Auchettl, Christa Gall, Jens Hjorth, Daniel Kasen, Anthony L Piro, Sandra Raimundo, Enrico Ramirez-Ruiz, Armin Rest, Jonathan J Swift
Seeing pristine material from the donor star in a type Ia supernova (SN Ia) explosion can reveal the nature of the binary system. ..
Testing the Momentum-driven Supernova Feedback Paradigm in M31
Sumit K Sarbadhicary, Davide Martizzi, Enrico Ramirez-Ruiz, Eric Koch, Katie Auchettl, Carles Badenes, Laura Chomiuk
Momentum feedback from isolated supernova remnants (SNRs) have been increasingly recognized by modern cosmological simulations as ..
The Physical Properties of Luminous z greater than or similar to 8 Galaxies and Implications for the Cosmic Star Formation Rate Density from similar to 0.35 deg(2) of (Pure-)Parallel HST Observations*
Guido Roberts-Borsani, Takahiro Morishita, Tommaso Treu, Nicha Leethochawalit, Michele Trenti
We present the largest systematic, Hubble Space Telescope (HST)-based search to date for luminous z ≳ 8 galaxy candidates using ∼1..
The impact of the first galaxies on cosmic dawn and reionization
Julian B Munoz, Yuxiang Qin, Andrei Mesinger, Steven G Murray, Bradley Greig, Charlotte Mason
The formation of the first galaxies during cosmic dawn and reionization (at redshifts z = 5-30), triggered the last major phase tr..
SN 2020kyg and the rates of faint Iax supernovae from ATLAS
Shubham Srivastav, SJ Smartt, ME Huber, KC Chambers, CR Angus, T-W 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, C-C Lin, EA Magnier
We present multiwavelength follow-up observations of the ATLAS discovered faint Iax supernova SN 2020kyg that peaked at an absolut..
SkyMapper colours of Seyfert galaxies and changing-look AGN - II. Newly discovered changing-look AGN
Wei Jeat Hon, Christian Wolf, Christopher A Onken, Rachel Webster, Katie Auchettl
Changing-look active galactic nuclei (CLAGN) are AGN that change type as their broad emission lines appear or disappear, which is ..
First Results from HERA Phase I: Upper Limits on the Epoch of Reionization 21 cm Power Spectrum
Zara Abdurashidova, James E Aguirre, Paul Alexander, Zaki S Ali, Yanga Balfour, Adam P Beardsley, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Philip Bull, Jacob Burba, Steve Carey, Chris L Carilli, Carina Cheng, David R DeBoer, Matt Dexter, Eloy de Lera Acedo, Taylor Dibblee-Barkman, Joshua S 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 ..
The Early Phases of Supernova 2020pni: Shock Ionization of the Nitrogen-enriched Circumstellar Material
G Terreran, W Jacobson-Galan, JH Groh, R Margutti, DL Coppejans, G Dimitriadis, CD Kilpatrick, DJ Matthews, MR Siebert, CR Angus, TG Brink, A 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..
The Rapid X-Ray and UV Evolution of ASASSN-14ko
Anna Payne, Benjamin J Shappee, Jason T Hinkle, Thomas W-S Holoien, Katie Auchettl, Christopher S Kochanek, KZ Stanek, Todd A Thompson, Michael A Tucker, James D Armstrong, Patricia T Boyd, Joseph Brimacombe, Robert Cornect, Mark E Huber, Saurabh W Jha, Chien-Cheng Lin
ASASSN-14ko is a recently discovered periodically flaring transient at the center of the active galactic nucleus (AGN) ESO 253-G00..
Dark-ages reionization and galaxy formation simulation XX. The Ly alpha IGM transmission properties and environment of bright galaxies during the epoch of reionization
Yuxiang Qin, J Stuart B Wyithe, Pascal A Oesch, Garth D Illingworth, Ecaterina Leonova, Simon J Mutch, Rohan P Naidu
The highly neutral intergalactic medium (IGM) during the epoch of reionization (EoR) is expected to suppress Ly α emission with da..
An Early-time Optical and Ultraviolet Excess in the Type-Ic SN 2020oi
Alexander Gagliano, Luca Izzo, Charles D Kilpatrick, Brenna Mockler, Wynn Vincente Jacobson-Galan, Giacomo Terreran, Georgios Dimitriadis, Yossef Zenati, Katie Auchettl, Maria R Drout, Gautham Narayan, Ryan J Foley, R Margutti, Armin Rest, DO Jones, Christian Aganze, Patrick D Aleo, Adam J Burgasser, DA Coulter, Roman Gerasimov
We present photometric and spectroscopic observations of Supernova 2020oi (SN 2020oi), a nearby (∼17 Mpc) type-Ic supernova (SN Ic..
Evidence for the Preferential Disruption of Moderately Massive Stars by Supermassive Black Holes
Brenna Mockler, Angela A Twum, Katie Auchettl, Sierra Dodd, KD French, Jamie AP Law-Smith, Enrico Ramirez-Ruiz
Tidal disruption events (TDEs) provide a unique opportunity to probe the stellar populations around supermassive black holes (SMBH..
Final Moments. I. Precursor Emission, Envelope Inflation, and Enhanced Mass Loss Preceding the Luminous Type II Supernova 2020tlf
WV Jacobson-Galan, 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
We present panchromatic observations and modeling of supernova (SN) 2020tlf, the first normal Type II-P/L SN with confirmed precur..
HERA Phase I Limits on the Cosmic 21 cm Signal: Constraints on Astrophysics and Cosmology during the Epoch of Reionization
Zara Abdurashidova, James E Aguirre, Paul Alexander, Zaki S Ali, Yanga Balfour, Rennan Barkana, Adam P Beardsley, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Philip Bull, Jacob Burba, Steve Carey, Chris L Carilli, Carina Cheng, David R DeBoer, Matt Dexter, Eloy de Lera Acedo, Joshua S Dillon
Recently, the Hydrogen Epoch of Reionization Array (HERA) has produced the experiment's first upper limits on the power spectrum o..
Validation of the HERA Phase I Epoch of Reionization 21 cm Power Spectrum Software Pipeline
James E Aguirre, Steven G Murray, Robert Pascua, Zachary E Martinot, Jacob Burba, Joshua S Dillon, Daniel C Jacobs, Nicholas S Kern, Piyanat Kittiwisit, Matthew Kolopanis, Adam Lanman, Adrian Liu, Lily Whitler, Zara Abdurashidova, Paul Alexander, Zaki S Ali, Yanga Balfour, Adam P Beardsley, Gianni Bernardi, Tashalee S 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..
Chasing the Tail of Cosmic Reionization with Dark Gap Statistics in the Ly alpha Forest over 5 < z < 6
Yongda Zhu, George D Becker, Sarah E Bosman, Laura C Keating, Holly M Christenson, Eduardo Banados, Fuyan Bian, Frederick B Davies, Valentina D'Odorico, Anna-Christina Eilers, Xiaohui Fan, Martin G Haehnelt, Girish Kulkarni, Andrea Pallottini, Yuxiang Qin, Feige Wang, Jinyi Yang
We present a new investigation of the intergalactic medium (IGM) near the end of reionization using “dark gaps” in the Lyα forest...
SN 2018agk: A Prototypical Type Ia Supernova with a Smooth Power-law Rise in Kepler (K2)
Qinan Wang, Armin Rest, Yossef Zenati, Ryan Ridden-Harper, Georgios Dimitriadis, Gautham Narayan, V Ashley Villar, Mark R Magee, Ryan J Foley, Edward J Shaya, Peter Garnavich, Lifan Wang, Lei Hu, Attila Bodi, Patrick Armstrong, Katie Auchettl, Thomas Barclay, Geert Barentsen, Zsofia Bognar, Joseph Brimacombe
We present the 30 minutes cadence Kepler/K2 light curve of the Type Ia supernova (SN Ia) SN 2018agk, covering approximately one we..
SKA-low intensity mapping pathfinder updates: deeper 21 cm power spectrum limits from improved analysis frameworks
Nichole Barry, Gianni Bernardi, Bradley Greig, Nicholas Kern, Florent Mertens
The Square Kilometer Array (SKA) is a planned radio interferometer of unprecedented scale that will revolutionize low-frequency ra..
Epoch of reionization power spectrum limits from Murchison Widefield Array data targeted at EoR1 field
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
Current attempts to measure the 21 cm power spectrum of neutral hydrogen during the epoch of reionization (EoR) are limited by sys..
A geostatistical analysis of multiscale metallicity variations in galaxies - I. Introduction and comparison of high-resolution metallicity maps to an analytical metal transport model
Benjamin Metha, Michele Trenti, Tingjin Chu
Thanks to recent advances in integral field spectroscopy, modern surveys of nearby galaxies are capable of resolving metallicity m..
SN2017jgh: a high-cadence complete shock cooling light curve of a SN IIb with the Kepler telescope
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..
The DUVET Survey: Direct T ( e )-based Metallicity Mapping of Metal-enriched Outflows and Metal-poor Inflows in Markarian 1486
Alex J Cameron, Deanne B Fisher, Daniel McPherson, Glenn G Kacprzak, Danielle A Berg, Alberto Bolatto, John Chisholm, Rodrigo Herrera-Camus, Nikole M Nielsen, Bronwyn Reichardt Chu, Ryan J Rickards Vaught, Karin Sandstrom, Michele Trenti
We present electron temperature (T e) maps for the edge-on system Mrk 1486, affording "direct-method"gas-phase metallicity measure..
Constraining the 21 cm brightness temperature of the IGM at z=6.6 around LAEs with the murchison widefield array
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..
A Real Time Processing system for big data in astronomy: Applications to HERA
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..
An AMUSING look at the host of the periodic nuclear transient ASASSN-14ko reveals a second AGN
MA Tucker, BJ Shappee, JT Hinkle, JMM Neustadt, M Eracleous, CS Kochanek, JL Prieto, A Payne, L Galbany, JP Anderson, K Auchettl, C Auge, Thomas W-S Holoien
We present Multi-Unit Spectroscopic Explorer (MUSE) integral-field spectroscopy of ESO 253-G003, which hosts a known active galact..
Discovery of a Fast Iron Low-ionization Outflow in the Early Evolution of the Nearby Tidal Disruption Event AT 2019qiz
Tiara Hung, Ryan J Foley, S Veilleux, SB Cenko, Jane L Dai, Katie Auchettl, Thomas G Brink, Georgios Dimitriadis, Alexei Filippenko, S Gezari, Thomas W-S Holoien, Charles D Kilpatrick, Brenna Mockler, Anthony L Piro, Enrico Ramirez-Ruiz, Cesar Rojas-Bravo, Matthew R Siebert, Sjoert van Velzen, WeiKang Zheng
We report the results of ultraviolet (UV) and optical photometric and spectroscopic analysis of the tidal disruption event (TDE) A..
Methods of Error Estimation for Delay Power Spectra in 21 cm Cosmology
Jianrong Tan, Adrian Liu, Nicholas S Kern, Zara Abdurashidova, James E Aguirre, Paul Alexander, Zaki S Ali, Yanga Balfour, Adam P Beardsley, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Philip Bull, Jacob Burba, Steven Carey, Christopher L Carilli, Carina Cheng, David R DeBoer, Matt Dexter
Precise measurements of the 21 cm power spectrum are crucial for understanding the physical processes of hydrogen reionization. Cu..
The Diversity of Environments around Luminous Quasars at Redshift z similar to 6
Keven Ren, Michele Trenti, Madeline A Marshall, Tiziana Di Matteo, Yueying Ni
Significant clustering around the rarest luminous quasars is a feature predicted by dark matter theory combined with number densit..
The loudest stellar heartbeat: characterizing the most extreme amplitude heartbeat star system
T Jayasinghe, CS Kochanek, J Strader, KZ Stanek, PJ Vallely, Todd A Thompson, JT Hinkle, BJ Shappee, AK Dupree, K Auchettl, L Chomiuk, E Aydi, K Dage, A Hughes, L Shishkovsky, K 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..
SOFIA 2-an automated, parallel H I source finding pipeline for the WALLABY survey
T Westmeier, S Kitaeff, D Pallot, P Serra, JM van der Hulst, RJ Jurek, A Elagali, B-Q For, D Kleiner, BS Koribalski, K Lee-Waddell, JR Mould, TN Reynolds, J Rhee, L Staveley-Smith
We present sofia 2, the fully automated 3D source finding pipeline for the WALLABY extragalactic H i survey with the Australian SK..
Observing the host galaxies of high-redshift quasars with JWST: predictions from the BlueTides simulation
Madeline A Marshall, J Stuart B Wyithe, Rogier A Windhorst, Tiziana Di Matteo, Yueying Ni, Stephen Wilkins, Rupert AC Croft, Mira Mechtley
The bright emission from high-redshift quasars completely conceals their host galaxies in the rest-frame ultraviolet/optical, with..
A new MWA limit on the 21 cm power spectrum at redshifts similar to 13-17
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
Observations in the lowest Murchison Widefield Array (MWA) band between 75 and 100 MHz have the potential to constrain the distrib..
Distinguishing Tidal Disruption Events from Impostors
Ann Zabludoff, Iair Arcavi, Stephanie La Massa, Hagai B Perets, Benny Trakhtenbrot, B Ashley Zauderer, Katie Auchettl, Jane L Dai, K Decker French, Tiara Hung, Erin Kara, Giuseppe Lodato, W Peter Maksym, Yujing Qin, Enrico Ramirez-Ruiz, Nathaniel Roth, Jessie C Runnoe, Thomas Wevers
Recent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the ev..
A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion
Charles D Kilpatrick, Maria R Drout, Katie Auchettl, Georgios Dimitriadis, Ryan J Foley, David O Jones, Lindsay DeMarchi, K Decker French, Christa Gall, Jens Hjorth, Wynn Jacobson-Galan, Raffaella Margutti, Anthony L Piro, Enrico Ramirez-Ruiz, Armin Rest, Cesar Rojas-Bravo
We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a t..
A unicorn in monoceros: the 3M(circle dot) dark companion to the bright, nearby red giant V723 Mon is a non-interacting, mass-gap black hole candidate
T Jayasinghe, KZ Stanek, Todd A Thompson, CS Kochanek, DM Rowan, PJ Vallely, KG Strassmeier, M Weber, JT Hinkle, F-J Hambsch, D 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 ..
ASASSN-14ko is a Periodic Nuclear Transient in ESO 253-G003
Anna V Payne, Benjamin J Shappee, Jason T Hinkle, Patrick J Vallely, Christopher S Kochanek, Thomas W-S Holoien, Katie Auchettl, KZ Stanek, Todd A Thompson, Jack MM Neustadt, Michael A Tucker, James D Armstrong, Joseph Brimacombe, Paulo Cacella, Robert Cornect, Larry Denneau, Michael M Fausnaugh, Heather Flewelling, Dirk Grupe, AN Heinze
We present the discovery that ASASSN-14ko is a periodically flaring active galactic nucleus at the center of the galaxy ESO 253-G0..
ASASSN-18am/SN 2018gk: an overluminous Type IIb supernova from a massive progenitor
Subhash Bose, Subo Dong, CS Kochanek, MD Stritzinger, Chris Ashall, Stefano Benetti, E Falco, Alexei Filippenko, Andrea Pastorello, Jose L Prieto, Auni Somero, Tuguldur Sukhbold, Junbo Zhang, Katie Auchettl, Thomas G Brink, JS Brown, Ping Chen, A Fiore, Dirk Grupe, TW-S Holoien
ASASSN-18am/SN 2018gk is a newly discovered member of the rare group of luminous, hydrogen-rich supernovae (SNe) with a peak absol..
The SAMI Galaxy Survey: the third and final data release
Scott M Croom, Matt S Owers, Nicholas Scott, Henry Poetrodjojo, Brent Groves, Jesse van de Sande, Tania M Barone, Luca Cortese, Francesco D'Eugenio, Joss Bland-Hawthorn, Julia Bryant, Sree Oh, Sarah Brough, James Agostino, Sarah Casura, Barbara Catinella, Matthew Colless, Gerald Cecil, Roger L Davies, Michael J Drinkwater
We have entered a new era where integral-field spectroscopic surveys of galaxies are sufficiently large to adequately sample large..
An Improved Measurement of the Secondary Cosmic Microwave Background Anisotropies from the SPT-SZ plus SPTpol Surveys
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, C Corbett Moran, TM Crawford
We report new measurements of millimeter-wave power spectra in the angular multipole range 2000 ≤ ℓ ≤ 11,000 (angular scales 5′ ≳ ..
Exploring reionization and high-z galaxy observables with recent multiredshift MWA upper limits on the 21-cm signal
Bradley Greig, Cathryn M Trott, Nichole Barry, Simon J Mutch, Bart Pindor, Rachel L Webster, J Stuart B Wyithe
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..
Interpreting LOFAR 21-cm signal upper limits at z approximate to 9.1 in the context of high-z galaxy and reionization observations
Bradley Greig, Andrei Mesinger, Leon VE Koopmans, Benedetta Ciardi, Garrelt Mellema, Saleem Zaroubi, Sambit K Giri, Raghunath Ghara, Abhik Ghosh, Ilian T Iliev, Florent G Mertens, Rajesh Mondal, Andre R Offringa, Vishambhar N 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 ..
Stacking redshifted 21 cm images of H II regions around high-redshift galaxies as a probe of early reionization
James E Davies, Rupert AC Croft, Tiziana Di-Matteo, Bradley Greig, Yu Feng, J Stuart B Wyithe
A number of current and future experiments aim to detect the reionization of neutral hydrogen by the first stars and galaxies in t..
The Young Supernova Experiment: Survey Goals, Overview, and Operations
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..
A tale of two sites - II. Inferring the properties of minihalo-hosted galaxies with upcoming 21-cm interferometers
Yuxiang Qin, Andrei Mesinger, Bradley Greig, Jaehong Park
The first generation of galaxies is expected to form in minihaloes, accreting gas through H2 cooling, and possessing unique proper..
Spatially resolved direct method metallicity in a high-redshift analogue local galaxy: temperature structure impact on metallicity gradients
Alex J Cameron, Tiantian Yuan, Michele Trenti, David C Nicholls, Lisa J Kewley
We investigate how H ii region temperature structure assumptions affect 'direct-method' spatially resolved metallicity observation..
An efficient hybrid method to produce high-resolution large-volume dark matter simulations for semi-analytic models of reionization
Yisheng Qiu, Simon J Mutch, Pascal J Elahi, Rhys JJ Poulton, Chris Power, J Stuart B Wyithe
Resolving faint galaxies in large volumes is critical for accurate cosmic reionization simulations. While less demanding than hydr..
Discovery and follow-up of ASASSN-19dj: an X-ray and UV luminous TDE in an extreme post-starburst galaxy
Jason T Hinkle, TW-S Holoien, K Auchettl, BJ Shappee, JMM Neustadt, A Payne, JS Brown, CS Kochanek, KZ Stanek, MJ Graham, MA Tucker, A Do, JP Anderson, S Bose, P Chen, DA Coulter, G Dimitriadis, Subo 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..
The Landscape of Galaxies Harboring Changing-look Active Galactic Nuclei in the Local Universe
Sierra A Dodd, Jamie AP Law-Smith, Katie Auchettl, Enrico Ramirez-Ruiz, Ryan J Foley
We study the properties of the host galaxies of changing-look active galactic nuclei (CL AGNs) with the aim of understanding the c..
Tidal disruption events in the first billion years of a galaxy
Hugo Pfister, Jane Lixin Dai, Marta Volonteri, Katie Auchettl, Maxime Trebitsch, Enrico Ramirez-Ruiz
Accretion of stars on massive black holes (MBHs) can feed MBHs and generate tidal disruption events (TDEs). We introduce a new phy..
The host galaxies of z=7 quasars: predictions from the BLUETIDES simulation
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..
Redundant-baseline calibration of the hydrogen epoch of reionization array
Joshua S Dillon, Max Lee, Zaki S Ali, Aaron R Parsons, Naomi Orosz, Chuneeta Devi Nunhokee, Paul La Plante, Adam P Beardsley, Nicholas S Kern, Zara Abdurashidova, James E Aguirre, Paul Alexander, Yanga Balfour, Gianni Bernardi, Tashalee S Billings, Judd D Bowman, Richard F Bradley, Phil Bull, Jacob Burba, Steve Carey
In 21-cm cosmology, precision calibration is key to the separation of the neutral hydrogen signal from very bright but spectrally ..
The impact of tandem redundant/sky-based calibration in MWA Phase II data analysis
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
Precise instrumental calibration is of crucial importance to 21-cm cosmology experiments. The Murchison Widefield Array’s (MWA) Ph..
Double-peaked Balmer Emission Indicating Prompt Accretion Disk Formation in an X-Ray Faint Tidal Disruption Event
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
We present the multiwavelength analysis of the tidal disruption event (TDE) AT 2018hyz (ASASSN-18zj). From follow-up optical spect..
Reionization inference from the CMB optical depth and E-mode polarization power spectra
Yuxiang Qin, Vivian Poulin, Andrei Mesinger, Bradley Greig, Steven Murray, Jaehong Park
The Epoch of Reionization (EoR) depends on the complex astrophysics governing the birth and evolution of the first galaxies and st..
SuperBoRG: Exploration of Point Sources at z similar to 8 in HST Parallel Fields
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..
Quantifying excess power from radio frequency interference in Epoch of Reionization measurements
Michael J Wilensky, Nichole Barry, Miguel F Morales, Bryna J Hazelton, Ruby Byrne
We quantify the effect of radio frequency interference (RFI) on measurements of the 21-cm power spectrum during the Epoch of Reion..
Limits to Rest-frame Ultraviolet Emission from Far-infrared-luminous z similar or equal to 6 Quasar Hosts
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
We report on a Hubble Space Telescope search for rest-frame ultraviolet emission from the host galaxies of five far-infrared-lumin..
K-CLASH: Strangulation and ram pressure stripping in galaxy cluster members at 0.3 < z < 0.6
Sam P Vaughan, Alfred L Tiley, Roger L Davies, Laura J Prichard, Scott M Croom, Martin Bureau, John P Stott, Andrew Bunker, Michele Cappellari, Behzad Ansarinejad, Matt J Jarvis
Galaxy clusters have long been theorized to quench the star formation of their members. This study uses integral-field unit observ..
The Rise and Fall of ASASSN-18pg: Following a TDE from Early to Late Times
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
We present nearly 500 days of observations of the tidal disruption event (TDE) ASASSN-18pg, spanning from 54 days before peak ligh..
Broad-line type Ic SN 2020bvc: Signatures of an off-axis gamma-ray burst afterglow
L Izzo, K Auchettl, J Hjorth, F De Colle, C Gall, CR Angus, S Raimundo, E Ramirez-Ruiz
Long-duration gamma-ray bursts (GRBs) are almost unequivocally associated with very energetic, broad-line supernovae of Type Ic-BL..
WALLABY - an SKA Pathfinder Hi survey
Barbel S Koribalski, L Staveley-Smith, T Westmeier, P Serra, K Spekkens, O Wong, K Lee-Waddell, CDP Lagos, D Obreschkow, E 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..
Foreground modelling via Gaussian process regression: An application to HERA data
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..
Measuring HERA's Primary Beam in Situ: Methodology and First Results
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 ..
A tale of two sites - I. Inferring the properties of minihalo-hosted galaxies from current observations
Yuxiang Qin, Andrei Mesinger, Jaehong Park, Bradley Greig, Julian B Munoz
The very first galaxies that started the cosmic dawn likely resided in so-called ‘minihaloes’, with masses of ∼105–108 M☉, accreti..
One star, two stars, or both? Investigating metallicity-dependent models for gamma-ray burst progenitors with the IllustrisTNG simulation
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..
Dark-ages reionization and galaxy formation simulation - XVIII. The high-redshift evolution of black holes and their host galaxies
Madeline A Marshall, Simon J Mutch, Yuxiang Qin, Gregory B Poole, J Stuart B Wyithe
Correlations between black holes and their host galaxies provide insight into what drives black hole-host co-evolution. We use the..
Examining a Peak-luminosity/Decline-rate Relationship for Tidal Disruption Events
Jason T Hinkle, Thomas W-S Holoien, Benjamin J Shappee, Katie Auchettl, Christopher S Kochanek, KZ Stanek, Anna V Payne, Todd A Thompson
We compare the luminosity, radius, and temperature evolution of the UV/optical blackbodies for 21 well-observed tidal disruption e..
Deep multiredshift limits on Epoch of Reionization 21 cm power spectra from four seasons of Murchison Widefield Array observations
Cathryn M 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
We compute the spherically averaged power spectrum from four seasons of data obtained for the Epoch of Reionization (EoR) project ..
The Impact of Realistic Foreground and Instrument Models on 21 cm Epoch of Reionization Experiments
A Nasirudin, SG Murray, CM Trott, B Greig, RC Joseph, C Power
Predictions for the ability of 21 cm interferometric experiments to discriminate Epoch of Reionization (EoR) signal models are typ..
Absolute Calibration Strategies for the Hydrogen Epoch of Reionization Array and Their Impact on the 21 cm Power Spectrum
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
We discuss absolute calibration strategies for Phase I of the Hydrogen Epoch of Reionization Array (HERA), which aims to measure t..
Mitigating Internal Instrument Coupling for 21 cm Cosmology. II. A Method Demonstration with the Hydrogen Epoch of Reionization Array
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
We present a study of internal reflection and cross-coupling systematics in Phase I of the Hydrogen Epoch of Reionization Array (H..
Modelling and peeling extended sources with shapelets: A Fornax A case study
JLB Line, DA Mitchell, B Pindor, JL Riding, B McKinley, RL Webster, CM Trott, N Hurley-Walker, AR Offringa
To make a power spectrum (PS) detection of the 21-cm signal from the Epoch of Reionisation (EoR), one must avoid/subtract bright f..
First Season MWA Phase II Epoch of Reionization Power Spectrum Results at Redshift 7
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
The compact configuration of Phase II of the Murchison Widefield Array (MWA) consists of both a redundant subarray and pseudo-rand..
Absolving the SSINS of Precision Interferometric Radio Data: A New Technique for Mitigating Faint Radio Frequency Interference
Michael J Wilensky, Miguel F Morales, Bryna J Hazelton, Nichole Barry, Ruby Byrne, Sumit Roy
We introduce a new pipeline for analyzing and mitigating radio frequency interference (RFI), which we call Sky-Subtracted Incohere..
Improving the Epoch of Reionization Power Spectrum Results from Murchison Widefield Array Season 1 Observations
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
Measurements of 21 cm Epoch of Reionization (EoR) structure are subject to systematics originating from both the analysis and the ..
Dark-age reionization and galaxy formation simulation - XIX. Predictions of infrared excess and cosmic star formation rate density from UV observations
Yisheng Qiu, Simon J Mutch, Elisabete da Cunha, Gregory B Poole, J Stuart B Wyithe
We present a new analysis of high-redshift UV observations using a semi-analytic galaxy formation model, and provide self-consiste..
Dark-ages reionization and galaxy formation simulation - XVI. The thermal memory of reionization
James E Davies, Simon J Mutch, Yuxiang Qin, Andrei Mesinger, Gregory B Poole, J Stuart B Wyithe
Intergalactic medium temperature is a powerful probe of the epoch of reionization, as information is retained long after reionizat..
Prospects for Extending the Mass-Metallicity Relation to Low Mass at High Redshift: A Case Study at z similar to 1
Alex J Cameron, Tucker Jones, Tiantian Yuan, Michele Trenti, Stephanie Bernard, Alaina Henry, Austin Hoag, Benedetta Vulcani
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]..
Dark-ages reionization and galaxy formation simulation - XVII. Sizes, angular momenta, and morphologies of high-redshift galaxies
Madeline A Marshall, Simon J Mutch, Yuxiang Qin, Gregory B Poole, J Stuart B Wyithe
We study the sizes, angular momenta, and morphologies of high-redshift galaxies, using an update of the MERAXES semi-analytic gala..
Optimizing sparse RFI prediction using deep learning
Joshua Kerrigan, Paul La Plante, Saul Kohn, Jonathan C Pober, James Aguirre, Zara Abdurashidova, Paul Alexander, Zaki S Ali, Yanga Balfour, Adam P Beardsley, Gianni Bernardi, Judd D Bowman, Richard F Bradley, Jacob Burba, Chris L Carilli, Carina Cheng, David R DeBoer, Matt Dexter, Eloy de Lera Acedo, Joshua S Dillon
Radio frequency interference (RFI) is an ever-present limiting factor among radio telescopes even in the most remote observing loc..
The HERA-19 Commissioning Array: Direction-dependent Effects
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
Foreground power dominates the measurements of interferometers that seek a statistical detection of highly-redshifted H i emission..
Dark-ages Reionization and Galaxy Formation Simulation - XV. Stellar evolution and feedback in dwarf galaxies at high redshift
Yuxiang Qin, Alan R Duffy, Simon J Mutch, Gregory B Poole, Andrei Mesinger, J Stuart B Wyithe
We directly compare predictions of dwarf galaxy properties in a semi-analytic model (SAM) with those extracted from a high-resolut..
Robust statistics towards detection of the 21 cm signal from the Epoch of Reionization
Cathryn M Trott, Shih Ching 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
We explore methods for robust estimation of the 21 cm signal from the Epoch of Reionization (EoR). A Kernel Density Estimator (KDE..
Constraining the Neutral Fraction of Hydrogen in the IGM at Redshift 7.5
A Hoag, M Bradac, K Huang, C Mason, T Treu, KB Schmidt, M Trenti, V Strait, BC Lemaux, EQ Finney, M Paddock
We present a large spectroscopic campaign with Keck/Multi-Object Spectrometer for InfraRed Exploration (MOSFIRE) targeting Lyα emi..
Massive Dead Galaxies at z similar to 2 with HST Grism Spectroscopy. I. Star Formation Histories and Metallicity Enrichment
T Morishita, LE Abramson, T Treu, GB Brammer, T Jones, P Kelly, M Stiavelli, M Trenti, B Vulcani, X Wang
Observations have revealed massive (log M∗/Mo ≳ 11) galaxies that were already dead when the universe was only ∼2 Gyr. Given the s..
Model Dispersion with PRISM: An Alternative to MCMC for Rapid Analysis of Models
Ellert van der Velden, Alan R Duffy, Darren Croton, Simon J Mutch, Manodeep Sinha
We have built PRISM, a Probabilistic Regression Instrument for Simulating Models. PRISM uses the Bayes linear approach and history..
The first supermassive black holes: indications from models for future observations
Stergios Amarantidis, Jose Afonso, Hugo Messias, Bruno Henriques, Andrew Griffin, Cedric Lacey, Claudia del P Lagos, Violeta Gonzalez-Perez, Yohan Dubois, Marta Volonteri, Israel Matute, Ciro Pappalardo, Yuxiang Qin, Ranga-Ram Chary, Ray P Norris
We present an exploration of the expected detection of the earliest active galactic nuclei (AGNs) in the Universe from state-of-ar..
Fundamental Limitations on the Calibration of Redundant 21 cm Cosmology Instruments and Implications for HERA and the SKA
Ruby Byrne, Miguel F Morales, Bryna Hazelton, Wenyang Li, Nichole Barry, Adam P Beardsley, Ronniy Joseph, Jonathan Pober, Ian Sullivan, Cathryn Trott
Precise instrument calibration is critical to the success of 21 cm cosmology experiments. Unmitigated errors in calibration contam..
Inferring the astrophysics of reionization and cosmic dawn from galaxy luminosity functions and the 21-cm signal
Jaehong Park, Andrei Mesinger, Bradley Greig, Nicolas Gillet
The properties of the first galaxies, expected to drive the Cosmic Dawn and the Epoch of Reionization, are encoded in the 3D struc..
The neutral hydrogen properties of galaxies in gas-rich groups
Robert Dzudzar, Virginia Kilborn, Gerhardt Meurer, Sarah M Sweet, Michael Drinkwater, Kenji Bekki, Fiona Audcent-Ross, Baerbel Koribalski, Ji Hoon Kim, Mary Putman, Emma Ryan-Weber, Martin Zwaan, Joss Bland-Hawthorn, Michael Dopita, Marianne T Doyle-Pegg, Ed Elson, Kenneth Freeman, Dan Hanish, Tim Heckman, Robert Kennicutt
We present an analysis of the integrated neutral hydrogen (H i) properties for 27 galaxies within nine low-mass, gas-rich, late-ty..
Observational determination of the galaxy bias from cosmic variance with a random pointing survey: clustering of z similar to 2 galaxies from Hubble's BoRG survey
Alex J Cameron, Michele Trenti, Rachael C Livermore, Cameron van der Velden
Gravitational clustering broadens the count-in-cells distribution of galaxies for surveys along uncorrelated (well-separated) line..
Gridded and direct Epoch of Reionisation bispectrum estimates using the Murchison Widefield Array
Cathryn M Trott, Catherine A Watkinson, Christopher H Jordan, Shintaro Yoshiura, Suman 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
We apply two methods to estimate the 21-cm bispectrum from data taken within the Epoch of Reionisation (EoR) project of the Murchi..
KROSS-SAMI: a direct IFS comparison of the Tully-Fisher relation across 8 Gyr since z approximate to 1
AL Tiley, M Bureau, L Cortese, CM Harrison, HL Johnson, JP Stott, AM Swinbank, I Smail, D Sobral, AJ Bunker, K Glazebrook, RG Bower, D Obreschkow, JJ Bryant, MJ Jarvis, J Bland-Hawthorn, G Magdis, AM Medling, SM Sweet, C Tonini
We construct Tully-Fisher relations (TFRs), from large samples of galaxies with spatially resolved H α emission maps from the K-ba..
Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the Kepler 2 Observations
W Li, X Wang, J Vinko, 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..
Seeing Double: ASASSN-18bt Exhibits a Two-component Rise in the Early-time K2 Light
BJ Shappee, TW-S Holoien, MR Drout, K Auchettl, MD Stritzinger, CS Kochanek, KZ Stanek, E Shaya, G Narayan, JS Brown, S Bose, D Bersier, J Brimacombe, Ping Chen, Subo Dong, S Holmbo, B Katz, JA Munoz, 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..
Dependence of galaxy clustering on UV luminosity and stellar mass at z similar to 4-7
Yisheng Qiu, J Stuart B Wyithe, Pascal A Oesch, Simon J Mutch, Yuxiang Qin, Ivo Labbe, Rychard J Bouwens, Mauro Stefanon, Garth D Illingworth
We investigate the dependence of galaxy clustering at z ~ 4-7 on UV luminosity and stellar mass. Our sample consists of ~10 000 Ly..
Measuring the global 21-cm signal with the MWA-I: improved measurements of the Galactic synchrotron background using lunar occultation
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..
The Phase II Murchison Widefield Array: Design overview
Randall B Wayth, Steven J Tingay, Cathryn M Trott, David Emrich, Melanie Johnston-Hollitt, Ben 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
We describe the motivation and design details of the 'Phase II' upgrade of the Murchison Widefield Array radio telescope. The expa..
The Bright-end Galaxy Candidates at z similar to 9 from 79 Independent HST Fields
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
We present a full data analysis of the pure-parallel Hubble Space Telescope (HST) imaging observations in the Brightest of Reioniz..
Assessment of Ionospheric Activity Tolerances for Epoch of Reionization Science with the Murchison Widefield Array
Cathryn M 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
Structure imprinted in foreground extragalactic point sources by ionospheric refraction has the potential to contaminate Epoch of ..
A multifrequency radio continuum study of the Magellanic Clouds - I. Overall structure and star formation rates
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
We present the first low-frequency Murchison Widefield Array (MWA) radio continuum maps of the Magellanic Clouds (MCs), using mosa..
Results from EDGES High-band. II. Constraints on Parameters of Early Galaxies
Raul A Monsalve, Bradley Greig, Judd D Bowman, Andrei Mesinger, Alan EE Rogers, Thomas J Mozdzen, Nicholas S Kern, Nivedita Mahesh
We use the sky-average spectrum measured by EDGES High-band (90-190 MHz) to constrain parameters of early galaxies independent of ..
HST Follow-up Observations of Two Bright z similar to 8 Candidate Galaxies from the BoRG Pure-parallel Survey
RC Livermore, M Trenti, LD Bradley, SR Bernard, BW Holwerda, CA Mason, T Treu
We present follow-up imaging of two bright (L > L∗) galaxy candidates at z ≳ 8 from the Brightest of Reionizing Galaxies (BoRG) su..
Dark-ages Reionization and Galaxy Formation Simulation - XIV. Gas accretion, cooling, and star formation in dwarf galaxies at high redshift
Yuxiang Qin, Alan R Duffy, Simon J Mutch, Gregory B Poole, Paul M Geil, Andrei Mesinger, J Stuart B Wyithe
We study dwarf galaxy formation at high redshift (z ≥ 5) using a suite of high-resolution, cosmological hydrodynamic simulations a..
Beacons into the Cosmic Dark Ages: Boosted Transmission of Ly alpha from UV Bright Galaxies at z greater than or similar to 7
Charlotte A Mason, Tommaso Treu, Stephane de Barros, Mark Dijkstra, Adriano Fontana, Andrei Mesinger, Laura Pentericci, Michele Trenti, Eros Vanzella
Recent detections of Lyman alpha (Lyα) emission from z > 7.5 galaxies were somewhat unexpected given a dearth of previous non-dete..
The Universe Is Reionizing at z similar to 7: Bayesian Inference of the IGM Neutral Fraction Using Ly alpha Emission from Galaxies
Charlotte A Mason, Tommaso Treu, Mark Dijkstra, Andrei Mesinger, Michele Trenti, Laura Pentericci, Stephane de Barros, Eros Vanzella
We present a new flexible Bayesian framework for directly inferring the fraction of neutral hydrogen in the intergalactic medium (..
Multi-messenger Observations of a Binary Neutron Star Merger
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
On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observ..