PMO OpenIR
A Herschel Space Observatory Spectral Line Survey of Local Luminous Infrared Galaxies from 194 to 671 Microns
Lu, Nanyao1,2,3; Zhao, Yinghe3,4,5,6; Diaz-Santos, Tanio7; Kevin Xu, C.1,2,3; Gao, Yu6; Armus, Lee8; Isaak, Kate G.9; Mazzarella, Joseph M.3; van der Werf, Paul P.10; Appleton, Philip N.3; Charmandaris, Vassilis11,12; Evans, Aaron S.13,14; Howell, Justin3; Iwasawa, Kazushi15,16; Leech, Jamie17; Lord, Steven18; Petric, Andreea O.19; Privon, George C.20,21; Sanders, David B.22; Schulz, Bernhard3; Surace, Jason A.8
2017-05-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume230Issue:1Pages:34
Abstract

We describe a Herschel Space Observatory 194-671 mu m spectroscopic survey of a sample of 121 local luminous infrared galaxies and report the fluxes of the CO J to J-1 rotational transitions for 4 <= J <= 13, the [N II] 205 mu m line, the [C I] lines at 609 and 370 mu m, as well as additional and usually fainter lines. The CO spectral line energy distributions (SLEDs) presented here are consistent with our earlier work, which was based on a smaller sample, that calls for two distinct molecular gas components in general: (i) a cold component, which emits CO lines primarily at J less than or similar to 4 and likely represents the same gas phase traced by CO (1-0), and (ii) a warm component, which dominates over the mid-J regime (4 < J less than or similar to 10) and is intimately related to current star formation. We present evidence that the CO line emission associated with an active galactic nucleus is significant only at J > 10. The flux ratios of the two [C I] lines imply modest excitation temperatures of 15-30 K; the [C I] 370 mu m line scales more linearly in flux with CO (4-3) than with CO (7-6). These findings suggest that the [C I] emission is predominantly associated with the gas component defined in (i) above. Our analysis of the stacked spectra in different far-infrared (FIR) color bins reveals an evolution of the SLED of the rotational transitions of H2O vapor as a function of the FIR color in a direction consistent with infrared photon pumping.

Keywordgalaxies: active galaxies: ISM galaxies: star formation infrared: galaxies ISM: molecules submillimeter: galaxies
DOI10.3847/1538-4365/aa6476
WOS KeywordFOURIER-TRANSFORM SPECTROMETER ; ACTIVE GALACTIC NUCLEUS ; SKY LIRG SURVEY ; EXTREME STAR-FORMATION ; HIGH-REDSHIFT GALAXIES ; WARM MOLECULAR GAS ; HIGH-J CO ; ATOMIC CARBON ; NGC 6240 ; GOALS SAMPLE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000400578000001
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22827
Collection中国科学院紫金山天文台
Corresponding AuthorLu, Nanyao
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.CAS, South Amer Ctr Astron, Camino El Observ 1515, Santiago, Chile
3.CALTECH, Infrared Proc & Anal Ctr, MS 100-22, Pasadena, CA 91125 USA
4.Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China
5.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, Kunming 650011, Peoples R China
6.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
7.Univ Diego Portales, Fac Ingn, Nucleo Astron, Av Ejercito Libertador 441, Santiago, Chile
8.CALTECH, Spitzer Sci Ctr, MS 220-6, Pasadena, CA 91125 USA
9.ESA ESTEC SCI S, European Space Res & Technol Ctr, Sci Support Off, Keplerlaan 1, NL-2201 AZ Noordwijk, Netherlands
10.Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands
11.Univ Crete, Dept Phys, GR-71003 Iraklion, Greece
12.Natl Observ Athens, IAASARS, GR-15236 Penteli, Greece
13.Univ Virginia, Dept Astron, 530 McCormick Rd, Charlottesville, VA 22904 USA
14.Natl Radio Astron Observ, 520 Edgemont Rd, Charlottesville, VA 22903 USA
15.Univ Barcelona, IEEC UB, ICCUB, Inst Ciencies Cosmos, Marti & Franques 1, E-08028 Barcelona, Spain
16.ICREA, Pg Lluis Co 23, E-08010 Barcelona, Spain
17.Univ Oxford, Dept Phys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England
18.SETI Inst, 189 Bernardo Ave,Suite 100, Mountain View, CA 94043 USA
19.Northern Operat Ctr, Gemini Observ, 670 N Aohoku Pl, Hilo, HI 96720 USA
20.Univ Concepcion, Dept Astron, Casilla 160-C, Concepcion, Chile
21.Pontificia Univ Catolica Chile, Inst Astrofis, Casilla 306, Santiago 22, Chile
22.Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA
Recommended Citation
GB/T 7714
Lu, Nanyao,Zhao, Yinghe,Diaz-Santos, Tanio,et al. A Herschel Space Observatory Spectral Line Survey of Local Luminous Infrared Galaxies from 194 to 671 Microns[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2017,230(1):34.
APA Lu, Nanyao.,Zhao, Yinghe.,Diaz-Santos, Tanio.,Kevin Xu, C..,Gao, Yu.,...&Surace, Jason A..(2017).A Herschel Space Observatory Spectral Line Survey of Local Luminous Infrared Galaxies from 194 to 671 Microns.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,230(1),34.
MLA Lu, Nanyao,et al."A Herschel Space Observatory Spectral Line Survey of Local Luminous Infrared Galaxies from 194 to 671 Microns".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 230.1(2017):34.
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