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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Investigating the Dominant Environmental Quenching Process in UVCANDELS/COSMOS Groups
Astrophysical Journal, Volume 947, No. 1, Article 17, Year 2023
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Description
We explore how the fraction of quenched galaxies changes in groups of galaxies with respect to the distance to the center of the group, redshift, and stellar mass to determine the dominant process of environmental quenching in 0.2 < z < 0.8 groups. We use new UV data from the UVCANDELS project in addition to existing multiband photometry to derive new galaxy physical properties of the group galaxies from the zCOSMOS 20 k group catalog. Limiting our analysis to a complete sample of log (M */M ⊙) > 10.56 group galaxies, we find that the probability of being quenched increases slowly with decreasing redshift, diverging from the stagnant field galaxy population. A corresponding analysis on how the probability of being quenched increases with time within groups suggests that the dominant environmental quenching process is characterized by slow (∼Gyr) timescales. We find a quenching time of approximately 4.91 − 1.47 + 0.91 Gyr, consistent with the slow processes of strangulation and delayed-then-rapid quenching although more data are needed to confirm this result. © 2023. The Author(s). Published by the American Astronomical Society.
Authors & Co-Authors
Scarlata, Claudia M.
United States, Minneapolis
University of Minnesota Twin Cities
Mehta, Vihang
United States, Pasadena
California Institute of Technology
Teplitz, Harry I.
United States, Pasadena
California Institute of Technology
Rafelski, Marc A.
United States, Baltimore
Space Telescope Science Institute
United States, Baltimore
Johns Hopkins University
Wang, Xin
United States, Pasadena
California Institute of Technology
Sunnquist, Ben Dale
United States, Baltimore
Space Telescope Science Institute
Prichard, Laura J.
United States, Baltimore
Space Telescope Science Institute
Grogin, Norman A.
United States, Baltimore
Space Telescope Science Institute
Koekemoer, Anton M.
United States, Baltimore
Space Telescope Science Institute
Windhorst, Rogier A.
United States, Tempe
Arizona State University
Alavi, Anahita
United States, Pasadena
California Institute of Technology
Chartab, Nima
United States, Pasadena
Carnegie Observatories
Conselice, Christopher J.
United Kingdom, Manchester
The University of Manchester
Dai, Yu Sophia
China, Beijing
Chinese Academy of Sciences
Gawiser, Eric J.
United States, New Brunswick
Rutgers University–new Brunswick
Giavalisco, Mauro
United States, Amherst
University of Massachusetts Amherst
Haro, Pablo Arrabal
Unknown Affiliation
Hathi, Nimish P.
United States, Baltimore
Space Telescope Science Institute
Ji, Zhiyuan
United States, Amherst
University of Massachusetts Amherst
Lucas, Ray A.
United States, Baltimore
Space Telescope Science Institute
Mantha, Kameswara Bharadwaj
United States, Minneapolis
University of Minnesota Twin Cities
Mobasher, Bahram
United States, Riverside
University of California, Riverside
Robertson, Brant E.
United States, Santa Cruz
University of California, Santa Cruz
Aaron Yung, L. Y.Aaron
United States, Greenbelt
Nasa Goddard Space Flight Center
Dav́e, Romeel
United Kingdom, Edinburgh
The University of Edinburgh
Dickinson, Mark E.
Unknown Affiliation
Ferguson, Henry C.
United States, Baltimore
Space Telescope Science Institute
Finkelstein, Steven L.
United States, Austin
The University of Texas at Austin
Hayes, Matthew J.
Sweden, Stockholm
Stockholms Universitet
Kaviraj, Sugata
United Kingdom, Hatfield
University of Hertfordshire
MacKenty, John W.
United States, Baltimore
Space Telescope Science Institute
Siana, Brian D.
United States, Riverside
University of California, Riverside
Statistics
Authors: 32
Affiliations: 20
Identifiers
Doi:
10.3847/1538-4357/acacfd
ISSN:
0004637X
Study Design
Cross Sectional Study