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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/31478
Title: The GOGREEN survey: the environmental dependence of the star-forming galaxy main sequence at 1.0 < z < 1.5
Authors: Old, Lyndsay J.
Balogh, Michael L.
van der Burg, Remco F. J.
BIVIANO, ANDREA 
Yee, Howard K. C.
Pintos-Castro, Irene
Webb, Kristi
Muzzin, Adam
Rudnick, Gregory
Vulcani, Benedetta 
Poggianti, Bianca
Cooper, Michael
Zaritsky, Dennis
Cerulo, Pierluigi
Wilson, Gillian
Chan, Jeffrey C. C.
Lidman, Chris
McGee, Sean
Demarco, Ricardo
Forrest, Ben
DE LUCIA, GABRIELLA
Gilbank, David
Kukstas, Egidijus
McCarthy, Ian G.
Jablonka, Pascale
Nantais, Julie
Noble, Allison
Reeves, Andrew M. M.
Shipley, Heath
Issue Date: 2020
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 493
Issue: 4
First Page: 5987
Abstract: We present results on the environmental dependence of the star-forming galaxy main sequence in 11 galaxy cluster fields at 1.0 < z < 1.5 from the Gemini Observations of Galaxies in Rich Early Environments Survey (GOGREEN) survey. We use a homogeneously selected sample of field and cluster galaxies whose membership is derived from dynamical analysis. Using [O<SUB>II</SUB>]-derived star formation rates (SFRs), we find that cluster galaxies have suppressed SFRs at fixed stellar mass in comparison to their field counterparts by a factor of 1.4 ± 0.1 (∼3.3σ) across the stellar mass range: 9.0 < log (M<SUB>*</SUB>/M<SUB>⊙</SUB>) < 11.2. We also find that this modest suppression in the cluster galaxy star-forming main sequence is mass and redshift dependent: the difference between cluster and field increases towards lower stellar masses and lower redshift. When comparing the distribution of cluster and field galaxy SFRs to the star-forming main sequence, we find an overall shift towards lower SFRs in the cluster population, and note the absence of a tail of high SFR galaxies as seen in the field. Given this observed suppression in the cluster galaxy star-forming main sequence, we explore the implications for several scenarios such as formation time differences between cluster and field galaxies, and environmentally induced star formation quenching and associated time-scales.
URI: http://hdl.handle.net/20.500.12386/31478
URL: https://academic.oup.com/mnras/article/493/4/5987/5780231?login=true
ISSN: 0035-8711
DOI: 10.1093/mnras/staa579
Bibcode ADS: 2020MNRAS.493.5987O
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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