Behzad Ansarinejad

The VST ATLAS quasar survey I: Catalogue of photometrically selected quasar candidates

Alice M Eltvedt, T Shanks, N Metcalfe, B Ansarinejad, LF Barrientos, R Sharp, U Malik, DNA Murphy, M Irwin, M Wilson, DM Alexander, Andras Kovacs, Juan Garcia-Bellido, Steven Ahlen, David Brooks, Axel de la Macorra, Andreu Font-Ribera, Satya Gontcho A Gontcho, Klaus Honscheid, Aaron Meisner, et al.

Journal article  |  2023  |  Monthly Notices of the Royal Astronomical Society

Abstract We present the VST ATLAS Quasar Survey, consisting of ∼1, 229, 000 quasar (QSO) candidates with 16 < g ..

Evidence for AGN-regulated Cooling in Clusters at z ∼ 1.4: A Multiwavelength View of SPT-CL J0607-4448

Megan Masterson, Michael McDonald, Behzad Ansarinejad, Matthew Bayliss, Bradford A Benson, Lindsey E Bleem, Michael S Calzadilla, Alastair C Edge, Benjamin Floyd, Keunho J Kim, Gourav Khullar, Taweewat Somboonpanyakul

Journal article  |  2023  |  The Astrophysical Journal

Abstract We present a multiwavelength analysis of the galaxy cluster SPT-CL J0607-4448 (SPT0607), which is one of t..

VST ATLAS galaxy cluster catalogue I: cluster detection and mass calibration

Behzad Ansarinejad, David Murphy, Tom Shanks, Nigel Metcalfe

Journal article  |  2023  |  Monthly Notices of the Royal Astronomical Society

ABSTRACT Taking advantage of ∼4700 deg2 optical coverage of the Southern sky offered by the VST ATLAS survey, we co..

Joint analysis of Dark Energy Survey Year 3 data and CMB lensing from SPT and Planck. III. Combined cosmological constraints

TMC Abbott, M Aguena, A Alarcon, O Alves, A Amon, F Andrade-Oliveira, J Annis, B Ansarinejad, S Avila, D Bacon, EJ Baxter, K Bechtol, MR Becker, BA Benson, GM Bernstein, E Bertin, J Blazek, LE Bleem, S Bocquet, D Brooks, et al.

Journal article  |  2023  |  Physical Review D

We present cosmological constraints from the analysis of two-point correlation functions between galaxy positions and galaxy lensi..

Extending empirical constraints on the SZ- mass scaling relation to higher redshifts via HST weak lensing measurements of nine clusters from the SPT-SZ survey at z a³ 1

H Zohren, T Schrabback, S Bocquet, M Sommer, F Raihan, B Hernández-Martín, O Marggraf, B Ansarinejad, MB Bayliss, LE Bleem, T Erben, H Hoekstra, B Floyd, MD Gladders, F Kleinebreil, MA McDonald, M Schirmer, D Scognamiglio, K Sharon, AH Wright

Journal article  |  2022  |  Astronomy and Astrophysics

We present a Hubble Space Telescope (HST) weak gravitational lensing study of nine distant and massive galaxy clusters with redshi..

Combining Planck and SPT Cluster Catalogs: Cosmological Analysis and Impact on the Planck Scaling Relation Calibration

L Salvati, A Saro, S Bocquet, M Costanzi, B Ansarinejad, BA Benson, LE Bleem, MS Calzadilla, JE Carlstrom, CL Chang, R Chown, AT Crites, T de Haan, MA Dobbs, WB Everett, B Floyd, S Grandis, EM George, NW Halverson, GP Holder, et al.

Journal article  |  2022  |  The Astrophysical Journal: an international review of astronomy and astronomical physics

We provide the first combined cosmological analysis of the South Pole Telescope (SPT) and Planck cluster catalogs. The aim is to p..

Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future

PS Chaubal, CL Reichardt, N Gupta, B Ansarinejad, K Aylor, L Balkenhol, EJ Baxter, F Bianchini, BA Benson, LE Bleem, S Bocquet, JE Carlstrom, CL Chang, TM Crawford, AT Crites, T de Haan, MA Dobbs, WB Everett, B Floyd, EM George, et al.

Journal article  |  2022  |  ASTROPHYSICAL JOURNAL

We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of cosmic microwave background (..

The nature of sub-millimetre galaxies II: an ALMA comparison of SMG dust heating mechanisms

B Ansarinejad, T Shanks, RM Bielby, N Metcalfe, L Infante, DNA Murphy, DJ Rosario, SM Stach

Journal article  |  2022  |  Monthly Notices of the Royal Astronomical Society

We compare the contribution of active galactic nuclei (AGNs) and star formation towards dust heating in sub-mm galaxies (SMGs). We..

CMB/kSZ and Compton-y Maps from 2500 deg(2) of SPT-SZ and Planck Survey Data

LE Bleem, TM Crawford, B Ansarinejad, BA Benson, S Bocquet, JE Carlstrom, CL Chang, R Chown, AT Crites, T de Haan, MA Dobbs, WB Everett, EM George, R Gualtieri, NW Halverson, GP Holder, WL Holzapfel, JD Hrubes, L Knox, AT Lee, et al.

Journal article  |  2022  |  Astrophysical Journal Supplement Series

We present component-separated maps of the primary cosmic microwave background/kinematic Sunyaev–Zel'dovich (SZ) amplitude and the..

Weak lensing mass modeling bias and the impact of miscentring

Martin W Sommer, Tim Schrabback, Douglas E Applegate, Stefan Hilbert, Behzad Ansarinejad, Benjamin Floyd, Sebastian Grandis

Journal article  |  2021  |  MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

Parametric modeling of galaxy cluster density profiles from weak lensing observations leads to a mass bias, whose detailed underst..