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VLA–ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (VLASPECS): Total Cold Gas Masses and CO Line Ratios for z?=?2–3 Main-sequence Galaxies
Riechers,Dominik A.1,2; Boogaard,Leindert A.3; Decarli,Roberto4; González-López,Jorge5; Smail,Ian6; Walter,Fabian2,7; Aravena,Manuel8; Carilli,Christopher L.7,9; Cortes,Paulo C.10,11; Cox,Pierre12; Díaz-Santos,Tanio8,13,14; Hodge,Jacqueline A.3; Inami,Hanae15; Ivison,Rob J.16; Kaasinen,Melanie2,17; Wagg,Jeff18; Wei?,Axel19; van der Werf,Paul3
2020-06-01
Source PublicationThe Astrophysical Journal Letters
ISSN2041-8205
Volume896Issue:2
AbstractAbstract Using the NSF’s Karl G. Jansky Very Large Array (VLA), we report six detections of CO(J?=?1 → 0) emission and one upper limit in z?=?2–3 galaxies originally detected in higher-J CO emission in the Atacama Large Millimeter/submillimeter Array Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS). From the CO(J?=?1 → 0) line strengths, we measure total cold molecular gas masses of Mgas?=?(2.4–11.6)?×?1010 (αCO/3.6)M⊙. We also measure a median CO(J?=?3 → 2) to CO(J?=?1 → 0) line brightness temperature ratio of r31?=?0.84?±?0.26, and a CO(J?=?7 → 6) to CO(J?=?1 → 0) ratio range of r71?
KeywordGalaxy evolution Molecular gas Star formation Redshift surveys Galaxy formation Observational astronomy Radio observatories
DOI10.3847/2041-8213/ab9595
Language英语
WOS IDIOP:2041-8205-896-2-ab9595
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/63818
Collection中国科学院国家天文台
Affiliation1.Department of Astronomy, Cornell University, Space Sciences Building, Ithaca, NY 14853, USA; riechers@cornell.edu
2.Max-Planck-Institut für Astronomie, K?nigstuhl 17, D-69117 Heidelberg, Germany
3.Leiden Observatory, Leiden University, P.O. Box 9513, NL-2300 RA Leiden, The Netherlands
4.INAF-Osservatorio di Astrofisica e Scienza dello Spazio, via Gobetti 93/3, I-40129 Bologna, Italy
5.Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA
6.Centre for Extragalactic Astronomy, Department of Physics, Durham University, South Road, Durham DH1 3LE, UK
7.National Radio Astronomy Observatory, Pete V. Domenici Array Science Center, P.O. Box O, Socorro, NM 87801, USA
8.Núcleo de Astronomía de la Facultad de Ingeniería y Ciencias, Universidad Diego Portales, Av. Ejército Libertador 441, Santiago, Chile
9.Battcock Centre for Experimental Astrophysics, Cavendish Laboratory, Cambridge CB3 0HE, UK
10.Joint ALMA Observatory—ESO, Av. Alonso de Córdova, 3104, Santiago, Chile
11.National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA
12.Sorbonne Université, UPMC Université Paris 6 and CNRS, UMR 7095, Institut d’Astrophysique de Paris, 98bis boulevard Arago, F-75014 Paris, France
13.Chinese Academy of Sciences South America Center for Astronomy (CASSACA), National Astronomical Observatories, CAS, Beijing 100101, People’s Republic of China
14.Institute of Astrophysics, Foundation for Research and Technology—Hellas (FORTH), Heraklion, GR-70013, Greece
15.Hiroshima Astrophysical Science Center, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
16.European Southern Observatory, Karl-Schwarzschild-Stra?e 2, D-85748 Garching, Germany
17.Universit?t Heidelberg, Zentrum für Astronomie, Institut für Theoretische Astrophysik, Albert-Ueberle-Stra?e 2, D-69120 Heidelberg, Germany
18.SKA Organization, Lower Withington Macclesfield, Cheshire SK11 9DL, UK
19.Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
Recommended Citation
GB/T 7714
Riechers,Dominik A.,Boogaard,Leindert A.,Decarli,Roberto,等. VLA–ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (VLASPECS): Total Cold Gas Masses and CO Line Ratios for z?=?2–3 Main-sequence Galaxies[J]. The Astrophysical Journal Letters,2020,896(2).
APA Riechers,Dominik A..,Boogaard,Leindert A..,Decarli,Roberto.,González-López,Jorge.,Smail,Ian.,...&van der Werf,Paul.(2020).VLA–ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (VLASPECS): Total Cold Gas Masses and CO Line Ratios for z?=?2–3 Main-sequence Galaxies.The Astrophysical Journal Letters,896(2).
MLA Riechers,Dominik A.,et al."VLA–ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (VLASPECS): Total Cold Gas Masses and CO Line Ratios for z?=?2–3 Main-sequence Galaxies".The Astrophysical Journal Letters 896.2(2020).
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