GOODS-ALMA: The slow downfall of star formation in z=2-3 massive galaxies

被引：43

作者：

Franco, M. ^{[1
,2
]}

Elbaz, D. ^{[1
]}

Zhou, L. ^{[1
,3
,4
]}

Magnelli, B. ^{[5
]}

Schreiber, C. ^{[6
]}

Ciesla, L. ^{[1
,7
]}

Dickinson, M. ^{[8
]}

Nagar, N. ^{[9
,10
]}

Magdis, G. ^{[11
,12
,13
,14
,15
]}

Alexander, D. M. ^{[16
]}

Bethermin, M. ^{[7
]}

Demarco, R. ^{[9
,10
]}

Daddi, E. ^{[1
]}

Wang, T. ^{[1
,17
]}

Mullaney, J. ^{[18
]}

Sargent, M. ^{[19
]}

Inami, H. ^{[20
,21
]}

Shu, X. ^{[22
]}

Bournaud, F. ^{[1
]}

Chary, R. ^{[23
]}

Coogan, R. T. ^{[24
]}

Ferguson, H. ^{[25
]}

Finkelstein, S. L. ^{[26
]}

Giavalisco, M. ^{[27
]}

Gomez-Guijarro, C. ^{[1
]}

Iono, D. ^{[28
,29
]}

Juneau, S. ^{[1
,8
]}

Lagache, G. ^{[7
]}

Lin, L. ^{[30
]}

Motohara, K. ^{[31
]}

Okumura, K. ^{[1
]}

Pannella, M. ^{[32
,33
]}

Papovich, C. ^{[34
,35
]}

Pope, A. ^{[27
]}

Rujopakarn, W. ^{[1
,2
,36
,37
,38
]}

Silverman, J. ^{[2
,38
]}

Xiao, M. ^{[1
,3
]}

机构：

[1] Univ Paris Diderot, Univ Paris Saclay, CNRS, Sorbonne Paris Cite,AIM,CEA, F-91191 Gif Sur Yvette, France

[2] Univ Hertfordshire, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England

[3] Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Peoples R China

[4] Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210093, Peoples R China

[5] Univ Bonn, Argelander Inst Astron, Hugel 71, D-53121 Bonn, Germany

[6] Univ Oxford, Dept Phys, Keble Rd, Oxford OX1 3RH, England

[7] Aix Marseille Univ, CNRS, LAM, Lab Astrophys Marseille, Marseille, France

[8] NSFs NOIRLab, Community Sci & Data Ctr, 950 N Cherry Ave, Tucson, AZ 85719 USA

[9] Univ Concepcion, Dept Astron, Casilla 160-C, Concepcion, Chile

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

[11] Univ Copenhagen, Cosm Dawn Ctr, Niels Bohr Inst, Lyngby, Denmark

[12] Tech Univ Denmark, DTU Space, Lyngby, Denmark

[13] Tech Univ Denmark, Natl Space Inst, DTU Space, Elektrovej 327, DK-2800 Lyngby, Denmark

[14] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[15] Natl Observ Athens, Inst Astron Astrophys Space Applicat & Remote Sen, Athens 15236, Greece

[16] Univ Durham, Dept Phys, Ctr Extragalact Astron, Durham DH1 3LE, England

[17] Univ Tokyo, Inst Astron, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan

[18] Univ Sheffield, Dept Phys & Astron, Hounsfield Rd, Sheffield S3 7RH, S Yorkshire, England

[19] Univ Sussex, Dept Phys & Astron, Astron Ctr, Brighton BN1 9QH, E Sussex, England

[20] Univ Lyon1, Univ Lyon, ENS Lyon, Ctr Rech Astrophys Lyon CRAL,CNRS,UMR5574, F-69230 St Genis Laval, France

[21] Hiroshima Univ, Hiroshima Astrophys Sci Ctr, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 7398526, Japan

[22] Anhui Normal Univ, Dept Phys, Wuhu 241000, Anhui, Peoples R China

[23] CALTECH, Infrared Proc & Anal Ctr, MS314-6, Pasadena, CA 91125 USA

[24] Max Planck Inst Extraterrestr Physik MPE, Giessenbachstr 1, D-85748 Garching, Germany

[25] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[26] Univ Texas Austin, Dept Astron, Austin, TX 78712 USA

[27] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA

[28] Natl Astron Observ Japan, Natl Inst Nat Sci, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[29] Grad Univ Adv Studies, SOKENDAI, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[30] Acad Sinica, Inst Astron & Astrophys, Taipei 10617, Taiwan

[31] Univ Tokyo, Inst Astron, Grad Sch Sci, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan

[32] Univ Trieste, Dept Phys, Astron Unit, Via Tiepolo 11, I-34131 Trieste, Italy

[33] Ludwig Maximilians Univ Munchen, Fak Phys, D-81679 Munich, Germany

[34] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

[35] Texas A&M Univ, George P & Cynthia Woods Mitchell Inst Fundamenta, College Stn, TX 77843 USA

[36] Chulalongkorn Univ, Dept Phys, Fac Sci, 254 Phayathai Rd, Bangkok 10330, Thailand

[37] Publ Org, Natl Astron Res Inst Thailand, Maerim, Chiangmai, Thailand

[38] Univ Tokyo, Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan

来源：

ASTRONOMY & ASTROPHYSICS | 2020年 / 643卷

基金：

英国科学技术设施理事会; 新加坡国家研究基金会; 国家重点研发计划; 中国国家自然科学基金;

关键词：

galaxies: high-redshift; galaxies: evolution; galaxies: star formation; galaxies: active; galaxies: fundamental parameters; submillimeter: galaxies; ULTRA DEEP FIELD; FORMATION RATE DENSITY; LYMAN-BREAK GALAXIES; MU-M OBSERVATIONS; SUBMILLIMETER GALAXIES; SPECTROSCOPIC SURVEY; INFRARED PROPERTIES; FORMING GALAXIES; COMPACT GALAXIES; HIGH-REDSHIFT;

D O I：

10.1051/0004-6361/202038312

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the properties of a sample of 35 galaxies, detected with the Atacama Large Millimeter/Submillimeter Array (ALMA) at 1.1 mm in the GOODS-ALMA field (area of 69 arcmin(2), resolution = 0.60 '', rms similar or equal to 0.18 mJy beam(-1)). Using the ultraviolet-to-radio deep multiwavelength coverage of the GOODS-South field, we fit the spectral energy distributions of these galaxies to derive their key physical properties. The galaxies detected by ALMA are among the most massive at z = 2-4 (M-star,M- med = 8.5 x 10(10)M(circle dot)) and they are either starburst or located in the upper part of the galaxy star-forming main sequence. A significant portion of our galaxy population (similar to 40%), located at z similar to 2.5-3, exhibits abnormally low gas fractions. The sizes of these galaxies, measured with ALMA, are compatible with the trend between the rest-frame 5000 angstrom size and stellar mass observed for z similar to 2 elliptical galaxies, suggesting that they are building compact bulges. We show that there is a strong link between star formation surface density (at 1.1 mm) and gas depletion time: The more compact a galaxy's star-forming region is, the shorter its lifetime will be (without gas replenishment). The identified compact sources associated with relatively short depletion timescales (similar to 100 Myr) are the ideal candidates to be the progenitors of compact elliptical galaxies at z similar to 2.

引用

页数：17

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