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The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas

文献类型：期刊论文

作者Marques-Chaves, Rui2,3; Perez-Fournon, Ismael2,3; Gavazzi, Raphael4,5; Martinez-Navajas, Paloma I.2,3; Riechers, Dominik1; Rigopoulou, Dimitra3,6; Cabrera-Lavers, Antonio2,7; Clements, David L.8; Cooray, Asantha9; Farrah, Duncan10
刊名ASTROPHYSICAL JOURNAL
出版日期2018-02-20
卷号854期号:2页码:20
ISSN号0004-637X
关键词cosmology: observations galaxies: evolution galaxies: individual (HLock01) galaxies: starburst gravitational lensing: strong
DOI10.3847/1538-4357/aaabb7
英文摘要The submillimeter galaxy (SMG) HERMES J105751.1+ 573027 (hereafter HLock01) at z = 2.9574 +/- 0.0001 is one of the brightest gravitationally lensed sources discovered in the Herschel Multi-tiered Extragalactic Survey. Apart from the high flux densities in the far-infrared, it is also extremely bright in the rest-frame ultraviolet (UV), with a total apparent magnitude m(UV) similar or equal to 19.7 mag. We report here deep spectroscopic observations with the Gran Telescopio Canarias of the optically bright lensed images of HLock01. Our results suggest that HLock01 is a merger system composed of the Herschel-selected SMG and an optically bright Lyman break-like galaxy (LBG), separated by only 3.3 kpc in projection. While the SMG appears very massive. (M-* similar or equal to 5 x 10(11) M-circle dot), with a highly extinguished stellar component (A(V) similar or equal to 4.3), the LBG is a young, lower-mass (M-* similar or equal to 1 x 10(10) M-circle dot), but still luminous (10 x L-UV*) satellite galaxy. Detailed analysis of the high signal-to-noise ratio (S/N) rest-frame UV spectrum of the LBG shows complex kinematics of the gas, exhibiting both blueshifted and redshifted absorption components. While the blueshifted component is associated with strong galactic outflows from the massive stars in the LBG, as is common in most star-forming galaxies, the redshifted component may be associated with gas inflow seen along a favorable sightline to the LBG. We also find evidence of an extended gas reservoir around HLock01 at an impact parameter of 110 kpc, through the detection of C II lambda lambda 1334 absorption in the red wing of a bright Ly alpha emitter at z similar or equal to 3.327. The data presented here highlight the power of gravitational lensing in high S/N studies to probe deeply into the physics of high-z star-forming galaxies.
WOS关键词STAR-FORMING GALAXIES ; LYMAN-BREAK GALAXIES ; DIGITAL SKY SURVEY ; INTEGRAL FIELD SPECTROSCOPY ; HUBBLE-SPACE-TELESCOPE ; HIGH-REDSHIFT GALAXIES ; 3RD DATA RELEASE ; SIMILAR-TO 2 ; SUBMILLIMETER GALAXIES ; ULTRAVIOLET-SPECTRUM
资助项目Fundacion La Caixa ; Spanish Ministerio de Economia y Competitividad (MINECO)[ESP2015-65597-C4-4-R] ; 973 program[2015CB857003] ; National Natural Science Foundation of China (NSFC)[11603032] ; National Natural Science Foundation of China (NSFC)[11333008] ; STFC Ernest Rutherford Fellowship ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC (UK) ; UKSA (UK) ; NASA (USA) ; Alfred P. Sloan Foundation ; National Science Foundation ; U.S. Department of Energy Office of Science ; University of Arizona ; Brazilian Participation Group ; Brookhaven National Laboratory ; Carnegie Mellon University ; University of Florida ; French Participation Group ; German Participation Group ; Harvard University ; Instituto de Astrofisica de Canarias ; Michigan State/Notre Dame/JINA Participation Group ; Johns Hopkins University ; Lawrence Berkeley National Laboratory ; Max Planck Institute for Astrophysics ; Max Planck Institute for Extraterrestrial Physics ; New Mexico State University ; New York University ; Ohio State University ; Pennsylvania State University ; University of Portsmouth ; Princeton University ; Spanish Participation Group ; University of Tokyo ; University of Utah ; Vanderbilt University ; University of Virginia ; University of Washington ; Yale University ; STFC[ST/P000541/1]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000425770500016
资助机构Fundacion La Caixa ; Spanish Ministerio de Economia y Competitividad (MINECO) ; 973 program ; National Natural Science Foundation of China (NSFC) ; STFC Ernest Rutherford Fellowship ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC (UK) ; UKSA (UK) ; NASA (USA) ; Alfred P. Sloan Foundation ; National Science Foundation ; U.S. Department of Energy Office of Science ; University of Arizona ; Brazilian Participation Group ; Brookhaven National Laboratory ; Carnegie Mellon University ; University of Florida ; French Participation Group ; German Participation Group ; Harvard University ; Instituto de Astrofisica de Canarias ; Michigan State/Notre Dame/JINA Participation Group ; Johns Hopkins University ; Lawrence Berkeley National Laboratory ; Max Planck Institute for Astrophysics ; Max Planck Institute for Extraterrestrial Physics ; New Mexico State University ; New York University ; Ohio State University ; Pennsylvania State University ; University of Portsmouth ; Princeton University ; Spanish Participation Group ; University of Tokyo ; University of Utah ; Vanderbilt University ; University of Virginia ; University of Washington ; Yale University ; STFC ; Fundacion La Caixa ; Spanish Ministerio de Economia y Competitividad (MINECO) ; 973 program ; National Natural Science Foundation of China (NSFC) ; STFC Ernest Rutherford Fellowship ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC (UK) ; UKSA (UK) ; NASA (USA) ; Alfred P. Sloan Foundation ; National Science Foundation ; U.S. Department of Energy Office of Science ; University of Arizona ; Brazilian Participation Group ; Brookhaven National Laboratory ; Carnegie Mellon University ; University of Florida ; French Participation Group ; German Participation Group ; Harvard University ; Instituto de Astrofisica de Canarias ; Michigan State/Notre Dame/JINA Participation Group ; Johns Hopkins University ; Lawrence Berkeley National Laboratory ; Max Planck Institute for Astrophysics ; Max Planck Institute for Extraterrestrial Physics ; New Mexico State University ; New York University ; Ohio State University ; Pennsylvania State University ; University of Portsmouth ; Princeton University ; Spanish Participation Group ; University of Tokyo ; University of Utah ; Vanderbilt University ; University of Virginia ; University of Washington ; Yale University ; STFC ; Fundacion La Caixa ; Spanish Ministerio de Economia y Competitividad (MINECO) ; 973 program ; National Natural Science Foundation of China (NSFC) ; STFC Ernest Rutherford Fellowship ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC (UK) ; UKSA (UK) ; NASA (USA) ; Alfred P. Sloan Foundation ; National Science Foundation ; U.S. Department of Energy Office of Science ; University of Arizona ; Brazilian Participation Group ; Brookhaven National Laboratory ; Carnegie Mellon University ; University of Florida ; French Participation Group ; German Participation Group ; Harvard University ; Instituto de Astrofisica de Canarias ; Michigan State/Notre Dame/JINA Participation Group ; Johns Hopkins University ; Lawrence Berkeley National Laboratory ; Max Planck Institute for Astrophysics ; Max Planck Institute for Extraterrestrial Physics ; New Mexico State University ; New York University ; Ohio State University ; Pennsylvania State University ; University of Portsmouth ; Princeton University ; Spanish Participation Group ; University of Tokyo ; University of Utah ; Vanderbilt University ; University of Virginia ; University of Washington ; Yale University ; STFC ; Fundacion La Caixa ; Spanish Ministerio de Economia y Competitividad (MINECO) ; 973 program ; National Natural Science Foundation of China (NSFC) ; STFC Ernest Rutherford Fellowship ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC (UK) ; UKSA (UK) ; NASA (USA) ; Alfred P. Sloan Foundation ; National Science Foundation ; U.S. Department of Energy Office of Science ; University of Arizona ; Brazilian Participation Group ; Brookhaven National Laboratory ; Carnegie Mellon University ; University of Florida ; French Participation Group ; German Participation Group ; Harvard University ; Instituto de Astrofisica de Canarias ; Michigan State/Notre Dame/JINA Participation Group ; Johns Hopkins University ; Lawrence Berkeley National Laboratory ; Max Planck Institute for Astrophysics ; Max Planck Institute for Extraterrestrial Physics ; New Mexico State University ; New York University ; Ohio State University ; Pennsylvania State University ; University of Portsmouth ; Princeton University ; Spanish Participation Group ; University of Tokyo ; University of Utah ; Vanderbilt University ; University of Virginia ; University of Washington ; Yale University ; STFC
源URL[http://ir.bao.ac.cn/handle/114a11/35724]  
专题中国科学院国家天文台
通讯作者Marques-Chaves, Rui
作者单位1.Cornell Univ, Dept Astron, Ithaca, NY 14853 USA
2.Inst Astrofis Canarias, C Via Lactea S-N, E-38205 Tenerife, Spain
3.Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain
4.UPMC, Inst Astrophys Paris, UMR7095, CNRS, F-75014 Paris, France
5.UPMC, Sorbonne Univ, F-75014 Paris, France
6.Univ Oxford, Dept Phys, Astrophys, Keble Rd, Oxford OX1 3RH, England
7.GRANTECAN, Cuesta de San Jose S-N, E-38712 Brena Baja, La Palma, Spain
8.Imperial Coll London, Astrophys Grp, Blackett Lab, Prince Consort Rd, London SW7 2AZ, England
9.Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
10.Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA
推荐引用方式
GB/T 7714		 Marques-Chaves, Rui,Perez-Fournon, Ismael,Gavazzi, Raphael,et al. The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas[J]. ASTROPHYSICAL JOURNAL,2018,854(2):20.
APA Marques-Chaves, Rui.,Perez-Fournon, Ismael.,Gavazzi, Raphael.,Martinez-Navajas, Paloma I..,Riechers, Dominik.,...&Wardlow, Julie.(2018).The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas.ASTROPHYSICAL JOURNAL,854(2),20.
MLA Marques-Chaves, Rui,et al."The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas".ASTROPHYSICAL JOURNAL 854.2(2018):20.

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