The ALMA Spectroscopic Survey in the HUDF: Nature and Physical Properties of Gas-mass Selected Galaxies Using MUSE Spectroscopy

被引：50

作者：

Boogaard, Leindert A. ^{[1
]}

Decarli, Roberto ^{[2
]}

Gonzalez-Lopez, Jorge ^{[3
,4
]}

van der Werf, Paul ^{[1
]}

Walter, Fabian ^{[5
,6
]}

Bouwens, Rychard ^{[1
]}

Aravena, Manuel ^{[3
]}

Carilli, Chris ^{[6
,7
]}

Erik Bauer, Franz ^{[4
,8
,9
]}

Brinchmann, Jarle ^{[1
,10
]}

Contini, Thierry ^{[11
]}

Cox, Pierre ^{[12
]}

da Cunha, Elisabete ^{[13
]}

Daddi, Emanuele ^{[14
]}

Diaz-Santos, Tanio ^{[3
]}

Hodge, Jacqueline ^{[1
]}

Inami, Hanae ^{[15
,16
]}

Ivison, Rob ^{[17
,18
]}

Maseda, Michael ^{[1
]}

Matthee, Jorryt ^{[19
]}

Oesch, Pascal ^{[20
]}

Popping, Gergoe ^{[5
]}

Riechers, Dominik ^{[5
,21
]}

Schaye, Joop ^{[1
]}

Schouws, Sander ^{[1
]}

Smail, Ian ^{[22
]}

Weiss, Axel ^{[23
]}

Wisotzki, Lutz ^{[24
]}

Bacon, Roland ^{[15
]}

Cortes, Paulo C. ^{[25
,26
]}

Rix, Hans-Walter ^{[5
]}

Somerville, Rachel S. ^{[27
,28
]}

Swinbank, Mark ^{[22
]}

Wagg, Jeff ^{[29
]}

机构：

[1] Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands

[2] INAF, Osservatorio Astrofis & Sci Spazio, Via Gobetti 93-3, I-40129 Bologna, Italy

[3] Univ Diego Portales, Fac Ingn & Ciencias, Nucleo Astron, Av Ejercito Libertador 441, Santiago, Chile

[4] Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Av Vicuna Mackenna 4860, Santiago 7820436, Chile

[5] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[6] Pete V Domenici Array Sci Ctr, Natl Radio Astron Observ, POB O, Socorro, NM 87801 USA

[7] Battcock Ctr Expt Astrophys, Cavendish Lab, Cambridge CB3 0HE, England

[8] Millennium Inst Astrophys MAS, Nuncio Monsenor Sotero Sanz 100, Santiago, Chile

[9] Space Sci Inst, 4750 Walnut St,Suite 205, Boulder, CO 80301 USA

[10] Univ Porto, CAUP, Inst Astrofis & Ciencias Espaco, Rua Estrelas, P-4150762 Porto, Portugal

[11] Univ Toulouse, IRAP, CNRS, UPS, F-31400 Toulouse, France

[12] Sorbonne Univ, Inst Astrophys Paris, CNRS, UMR 7095, 98 Bis Bd Arago, F-7014 Paris, France

[13] Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2611, Australia

[14] Univ Paris Diderot, DSM CNRS, CEA, Lab AIM,Irfu,Serv Astrophys,CEA Saclay, F-91191 Gif Sur Yvette, France

[15] Univ Lyon 1, ENS Lyon, CNRS, CRAL UMR5574, F-69230 St Genis Laval, France

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

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

[18] Univ Edinburgh, Inst Astron, Royal Observ, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland

[19] Swiss Fed Inst Technol, Dept Phys, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland

[20] Univ Geneva, Dept Astron, Ch Maillettes 51, CH-1290 Versoix, Switzerland

[21] Cornell Univ, 220 Space Sci Bldg, Ithaca, NY 14853 USA

[22] Univ Durham, Ctr Extragalact Astron, Dept Phys, South Rd, Durham DH1 3LE, England

[23] Max Planck Inst Radioastron, Sternwarte 16, D-53121 Bonn, Germany

[24] Leibniz Inst Astrophys Potsdam, Sternwarte 16, D-14482 Potsdam, Germany

[25] Joint ALMA Observ ESO, Av Alonso Cordova 3104, Santiago, Chile

[26] Natl Radio Astron Observ, 520 Edgemt Rd, Charlottesville, VA 22903 USA

[27] Rutgers State Univ, Dept Phys & Astron, 136 Frelinghuysen Rd, Piscataway, NJ 08854 USA

[28] Flatiron Inst, Ctr Computat Astrophys, 162 5th Ave, New York, NY 10010 USA

[29] SKA Org, Macclesfield SK11 9DL, Cheshire, England

来源：

ASTROPHYSICAL JOURNAL | 2019年 / 882卷 / 02期

基金：

美国国家科学基金会;

关键词：

galaxies: high-redshift; galaxies: ISM; galaxies: star formation; STAR-FORMING GALAXIES; SPECTRAL ENERGY-DISTRIBUTION; MOLECULAR GAS; METALLICITY RELATION; MAIN-SEQUENCE; REDSHIFT; EVOLUTION; EMISSION; DIAGNOSTICS; ULTRAVIOLET;

D O I：

10.3847/1538-4357/ab3102

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We discuss the nature and physical properties of gas-mass selected galaxies in the ALMA spectroscopic survey (ASPECS) of the Hubble Ultra Deep Field (HUDF). We capitalize on the deep optical integral-field spectroscopy from the Multi Unit Spectroscopic Explorer (MUSE) HUDF Survey and multiwavelength data to uniquely associate all 16 line emitters, detected in the ALMA data without preselection, with rotational transitions of carbon monoxide (CO). We identify 10 as CO(2-1) at 1 < z < 2, 5 as CO(3-2) at 2 < z < 3, and 1 as CO(4-3) at z = 3.6. Using the MUSE data as a prior, we identify two additional CO(2-1) emitters, increasing the total sample size to 18. We infer metallicities consistent with (super-)solar for the CO-detected galaxies at z <= 1.5, motivating our choice of a Galactic conversion factor between CO luminosity and molecular gas mass for these galaxies. Using deep Chandra imaging of the HUDF, we determine an X-ray AGN fraction of 20% and 60% among the CO emitters at z similar to 1.4 and z similar to 2.6, respectively. Being a CO-flux-limited survey, ASPECS-LP detects molecular gas in galaxies on, above, and below the main sequence (MS) at z similar to 1.4. For stellar masses >= 10(10) (10(10.5))M-circle dot, we detect about 40% (50%) of all galaxies in the HUDF at 1 < z < 2 (2 < z < 3). The combination of ALMA and MUSE integral-field spectroscopy thus enables an unprecedented view of MS galaxies during the peak of galaxy formation.

引用

页数：24

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