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Far-infrared Herschel SPIRE spectroscopy of lensed starbursts reveals physical conditions of ionized gas
Zhang, Zhi-Yu1,2; Ivison, R. J.1,2; George, R. D.1; Zhao YH(赵应和)3,4,5; Dunne, L.1,6; Herrera-Camus, R.7; Lewis, A. J. R.1; Liu, Daizhong8,9; Naylor, D.10; Oteo, Ivan1,2; Riechers, D. A.11; Smail, Ian12; Yang, Chentao9,13,14; Eales, Stephen6; Hopwood, Ros15; Maddox, Steve1,6; Omont, Alain14; van der Werf, Paul16
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-11-01
Volume481Issue:1Pages:59-97
DOI10.1093/mnras/sty2082
Contribution Rank第3完成单位
Indexed BySCI
Keywordgalaxies: active galaxies: high-redshift galaxies: starburst infrared: galaxies submillimetre: galaxies
Abstract

The most intensively star-forming galaxies are extremely luminous at far-infrared ( FIR) wavelengths, highly obscured at optical and ultraviolet wavelengths, and lie at z >= 1-3. We present a programme of FIR spectroscopic observations with the SPIRE FTS, as well as photometric observations with PACS, both on board Herschel, towards a sample of 45 gravitationally lensed, dusty starbursts across z similar to 1-3.6. In total, we detected 27 individual lines down to 3 sigma, including nine [C II] 158 mu m lines with confirmed spectroscopic redshifts, five possible [C II] lines consistent with their FIR photometric redshifts, and in some individual sources a few [OIII] 88 mu m, [O III] 52 mu m, [O I] 145 mu m, [O I] 63 mu m, [N II] 122 mu m and OH 119 mu m ( in absorption) lines. To derive the typical physical properties of the gas in the sample, we stack all spectra weighted by their intrinsic luminosity and by their 500 mu m flux densities, with the spectra scaled to a common redshift. In the stacked spectra, we detect emission lines of [CII] 158 mu m, [N II] 122 mu m, [O III] 88 mu m, [O III] 52 mu m, [O I] 63 mu m and the absorption doublet of OH at 119 mu m, at high fidelity. We find that the average electron densities traced by the [NII] and [O III] lines are higher than the average values in local star-forming galaxies and ULIRGs, using the same tracers. From the [NII]/[C II] and [O I]/[C II] ratios, we find that the [CII] emission is likely dominated by the photodominated regions (PDR), instead of by ionized gas or large-scale shocks.

Funding ProjectEuropean Research Council (ERC)[647939] ; European Research Council (ERC)[321302] ; STFC[ST/P000541/1] ; National Key Research and Development Program of China[2017YFA0402704] ; National Natural Science Foundation of China[11673057] ; National Natural Science Foundation of China[11420101002] ; ESO Fellowship ; ERC Advanced Investigator programme[DUSTYGAL 321334] ; National Science Foundation[AST-1614213] ; NASA from JPL ; BMVIT (Austria) ; ESA-PRODEX (Belgium) ; CEA/CNES (France) ; DLR (Germany) ; ASI/INAF (Italy) ; CICYT/MCYT (Spain) ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC, UKSA (UK) ; NASA (USA)
Funding OrganizationEuropean Research Council (ERC)[647939, 321302] ; STFC[ST/P000541/1] ; National Key Research and Development Program of China[2017YFA0402704] ; National Natural Science Foundation of China[11673057, 11420101002] ; ESO Fellowship ; ERC Advanced Investigator programme[DUSTYGAL 321334] ; National Science Foundation[AST-1614213] ; NASA from JPL ; BMVIT (Austria) ; ESA-PRODEX (Belgium) ; CEA/CNES (France) ; DLR (Germany) ; ASI/INAF (Italy) ; CICYT/MCYT (Spain) ; CSA (Canada) ; NAOC (China) ; CEA (France) ; CNES (France) ; CNRS (France) ; ASI (Italy) ; MCINN (Spain) ; SNSB (Sweden) ; STFC, UKSA (UK) ; NASA (USA)
Language英语
Subject Area天文学 ; 天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherOXFORD UNIV PRESS
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS IDWOS:000449651400006
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordFOURIER-TRANSFORM SPECTROMETER ; H-II REGIONS ; ACTIVE GALACTIC NUCLEI ; HUBBLE-SPACE-TELESCOPE ; STAR-FORMATION HISTORY ; SOUTH-POLE TELESCOPE ; NARROW-LINE REGIONS ; EARLY-TYPE GALAXIES ; DEEP-FIELD-SOUTH ; SUBMILLIMETER GALAXIES
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/18400
Collection丽江天文观测站(南方基地)
中国科学院天体结构与演化重点实验室
Corresponding AuthorZhang, Zhi-Yu; Ivison, R. J.
Affiliation1.Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh EH9 3HJ, UK
2.European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching, Germany
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, P.R. China
4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, P.R. China
5.Centre for Astronomical Mega-Science, CAS, 20A Datun Road, Chaoyang District, Beijing 100012, P.R. China
6.School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
7.Max-Planck-Institut f¨ur Extraterrestrische Physik (MPE), Giessenbachstr, D-85748 Garching, Germany
8.MPIA, Koenigstuhl 17, D-69117 Heidelberg, Germany
9.Purple Mountain Observatory, 2 West Beijing Road, Nanjing 230000, P.R. China
10.Department of Physics, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
11.Department of Astronomy, Cornell University, Space Sciences Building, Ithaca, NY 14853, USA
12.Department of Physics, Centre for Extragalactic Astronomy, Durham University, South Road, Durham DH1 3LE, UK
13.European Southern Observatory, Alonso de C´ordova 3107, Casilla 19001, Vitacura, Santiago, Chile
14.Institut d’Astrophysique de Paris, Sorbonne Universit´e, CNRS,UMR 7095, 98 bis bd Arago, F-75014 Paris, France
15.Department of Physics, Imperial College London, Prince Consort Road, London SW7 2AZ, UK
16.Sterrewacht Leiden, Leiden University, PO Box 9513, NL-2300 RA Leiden, the Netherlands
Recommended Citation
GB/T 7714
Zhang, Zhi-Yu,Ivison, R. J.,George, R. D.,et al. Far-infrared Herschel SPIRE spectroscopy of lensed starbursts reveals physical conditions of ionized gas[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,481(1):59-97.
APA Zhang, Zhi-Yu.,Ivison, R. J..,George, R. D..,Zhao YH.,Dunne, L..,...&van der Werf, Paul.(2018).Far-infrared Herschel SPIRE spectroscopy of lensed starbursts reveals physical conditions of ionized gas.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,481(1),59-97.
MLA Zhang, Zhi-Yu,et al."Far-infrared Herschel SPIRE spectroscopy of lensed starbursts reveals physical conditions of ionized gas".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 481.1(2018):59-97.
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