The GOGREEN survey: the environmental dependence of the star-forming galaxy main sequence at 1.0 < z < 1.5

被引：54

作者：

Old, Lyndsay J. ^{[1
,2
]}

Balogh, Michael L. ^{[3
,4
]}

van der Burg, Remco F. J. ^{[5
]}

Biviano, Andrea ^{[6
,7
]}

Yee, Howard K. C. ^{[2
]}

Pintos-Castro, Irene ^{[2
]}

Webb, Kristi ^{[3
,4
]}

Muzzin, Adam ^{[8
]}

Rudnick, Gregory ^{[9
]}

Vulcani, Benedetta ^{[10
]}

Poggianti, Bianca ^{[10
]}

Cooper, Michael ^{[11
]}

Zaritsky, Dennis ^{[12
,13
]}

Cerulo, Pierluigi ^{[14
]}

Wilson, Gillian ^{[15
]}

Chan, Jeffrey C. C. ^{[15
]}

Lidman, Chris ^{[16
]}

McGee, Sean ^{[17
]}

Demarco, Ricardo ^{[14
]}

Forrest, Ben ^{[15
]}

De Lucia, Gabriella ^{[6
]}

Gilbank, David ^{[18
,19
]}

Kukstas, Egidijus ^{[20
]}

McCarthy, Ian G. ^{[20
]}

Jablonka, Pascale ^{[21
]}

Nantais, Julie ^{[22
]}

Noble, Allison ^{[23
,24
]}

Reeves, Andrew M. M. ^{[3
,4
]}

Shipley, Heath ^{[25
]}

机构：

[1] European Space Agcy ESA, European Space Astron Ctr, E-28691 Madrid, Spain

[2] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada

[3] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[4] Univ Waterloo, Waterloo Ctr Astrophys, Waterloo, ON N2L3G, Canada

[5] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

[6] INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy

[7] IFPU Inst Fundamental Phys Universe, Via Beirut 2, I-34014 Trieste, Italy

[8] York Univ, Dept Phys & Astron, 4700 Keele St, Toronto, ON MJ3 1P3, Canada

[9] Univ Kansas, Dept Phys & Astron, 1251 Wescoe Hall Dr, Lawrence, KS 66045 USA

[10] INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy

[11] Univ Calif Irvine, Dept Phys & Astron, 4129 Frederick Reines Hall, Irvine, CA 92697 USA

[12] Univ Arizona, Steward Observ, Tucson, AZ 85719 USA

[13] Univ Arizona, Dept Astron, Tucson, AZ 85719 USA

[14] Univ Concepcion, Fac Ciencias Fis & Matemat, Dept Astron, Concepcion, Chile

[15] Univ Calif Riverside, Dept Phys & Astron, 900 Univ Ave, Riverside, CA 92521 USA

[16] Australian Astron Observ, 105 Delhi Rd, N Ryde, NSW 2113, Australia

[17] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

[18] South African Astron Observ, POB 9, ZA-7935 Cape Town, South Africa

[19] North West Univ, Ctr Space Res, ZA-2520 Cape Town, South Africa

[20] Liverpool John Moores Univ, Astrophys Res Inst, 146 Brownlow Hill, Liverpool L3 5RE, Merseyside, England

[21] Ecole Polytech Fed Lausanne, Lab Astrophys, CH-1290 Versoix, Switzerland

[22] Univ Andres Bello, Dept Ciencias Fts, Fernandez Concha 700, Las Condes 7591538, Region Metropol, Chile

[23] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ USA

[24] MIT Kavli Inst Astrophys & Space Res, 70 Vassar St, Cambridge, MA 02109 USA

[25] McGill Univ, Dept Phys, 3600 Rue Univ, Montreal, PQ H3P 1T3, Canada

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2020年 / 493卷 / 04期

基金：

新加坡国家研究基金会; 英国科学技术设施理事会; 加拿大自然科学与工程研究理事会;

关键词：

galaxies: clusters: general; galaxies: evolution; QUENCHING TIME-SCALES; DIGITAL SKY SURVEY; SIMILAR-TO; SPECTROSCOPIC CONFIRMATION; REDSHIFT SURVEY; VELOCITY DISPERSIONS; DENSITY ENVIRONMENTS; FORMATION HISTORIES; QUIESCENT GALAXIES; SPHERICAL SYSTEMS;

D O I：

10.1093/mnras/staa579

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 II]-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 (similar to 3.3 sigma) across the stellar mass range: 9.0 < log (M-*/M-circle dot) < 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.

引用

页码：5987 / 6000

页数：14

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The GOGREEN survey: the environmental dependence of the star-forming galaxy main sequence at 1.0 &lt; z &lt; 1.5

The GOGREEN survey: the environmental dependence of the star-forming galaxy main sequence at 1.0 < z < 1.5