J/ApJ/846/32ivo://CDS.VizieR/J/ApJ/846/32doi:10.26093/cds/vizier.18460032CDSDiaz-Santos T.Armus L.Charmandaris V.Lu N.Stierwalt S.Stacey G.,Malhotra S.van der Werf P.P.Howell J.H.Privon G.C.Mazzarella J.M.,Goldsmith P.F.Murphy E.J.Barcos-Munoz L.Linden S.T.Inami H.,Larson K.L.Evans A.S.Appleton P.Iwasawa K.Lord S.Sanders D.B.,Surace J.A.2021-12-13T06:52:25Z2018-05-25T10:13:21ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frgalaxiesinfrared-sourcesinfrared-astronomyspectroscopyactive-galactic-nucleisurveysWe present an analysis of [OI]_63_, [OIII]_88_, [NII]_122_, and [CII]_158_ far-infrared (FIR) fine-structure line observations obtained with Herschel/PACS, for ~240 local luminous infrared galaxies (LIRGs) in the Great Observatories All-sky LIRG Survey. We find pronounced declines ("deficits") of line-to-FIR continuum emission for [NII]_122_, [OI]_63_, and [CII]_158_ as a function of FIR color and infrared luminosity surface density, {Sigma}_IR_. The median electron density of the ionized gas in LIRGs, based on the [NII]_122_/[NII]_205_ ratio, is n_e_=41cm^-3^. We find that the dispersion in the [CII]_158_ deficit of LIRGs is attributed to a varying fractional contribution of photodissociation regions (PDRs) to the observed [CII]_158_ emission, f([CII]_158_^PDR^)=[CII]_158_^PDR^/[CII]_158_, which increases from ~60% to ~95% in the warmest LIRGs. The [OI]_63_/[CII]_158_^PDR^ ratio is tightly correlated with the PDR gas kinetic temperature in sources where [OI]_63_ is not optically thick or self-absorbed. For each galaxy, we derive the average PDR hydrogen density, n_H_, and intensity of the interstellar radiation field, G, in units of G_0_ and find G/n_H_ ratios of ~0.1-50G_0_.cm^3^, with ULIRGs populating the upper end of the distribution. There is a relation between G/n_H_ and {Sigma}_IR_, showing a critical break at {Sigma}_IR_^*^~5x10^10^L_{sun}_/kpc^2^. Below {Sigma}_IR_^*^, G/n_H_ remains constant, ~0.32G_0_.cm^3^, and variations in {Sigma}_IR_ are driven by the number density of star-forming regions within a galaxy, with no change in their PDR properties. Above {Sigma}_IR_^*^, G/n_H_ increases rapidly with {Sigma}_IR_, signaling a departure from the typical PDR conditions found in normal star-forming galaxies toward more intense/harder radiation fields and compact geometries typical of starbursting sources.2017ApJ...846...32Dhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/846/32CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVI/139 : Herschel Observation Log (Herschel Science Centre, 2013)J/AJ/126/1607 : IRAS Revised Bright Galaxy Sample (Sanders+, 2003)J/ApJS/178/280 : Compendium of ISO far-IR extragalactic data (Brauher+, 2008)J/ApJS/184/1 : Molecular clouds in the LMC by NANTEN. II. (Kawamura+, 2009)J/ApJS/182/628 : Spitzer quasar and ULIRG evolution study (Veilleux+, 2009)J/ApJ/723/993 : Spatial extent of (U)LIRGs in the MIR. I. (Diaz-Santos+, 2010)J/ApJ/715/572 : GOALS UV and FIR properties (Howell+, 2010)J/ApJ/741/32 : Spatial extent of (U)LIRGs in MIR. II. (Diaz-Santos+, 2011)J/A+A/533/A119 : GOODS-Herschel North and South catalogs (Elbaz+, 2011)J/A+A/528/A35 : Infrared luminosity in GOODS fields (Magnelli+, 2011)J/ApJ/761/37 : CO obs. in giant molecular clouds of M33 (Miura+, 2012)J/ApJ/774/68 : [CII]157.7um feature in LIRGs (Diaz-Santos+, 2013)J/ApJ/777/156 : Spitzer/IRS spectra of GOALS luminous IR gal. (Inami+, 2013)J/ApJ/768/102 : I-band GALFIT analysis of luminous IR galaxies (Kim+, 2013)J/ApJS/206/1 : Mid-IR properties of GOALS nearby LIRGs (Stierwalt+, 2013)J/A+A/566/A45 : Orion optical-depth and column-density maps (Lombardi+, 2014)J/ApJ/790/124 : Dust and gas physics of the GOALS sample (Stierwalt+, 2014)J/A+A/578/A53 : Spectroscopy of Herschel Dwarf Galaxy Survey (Cormier+, 2015)J/ApJ/814/133 : Herschel Galactic plane survey of [NII] (Goldsmith+, 2015)J/A+A/575/A17 : NGC 891 Herschel PACS and SPIRE spectroscopy (Hughes+, 2015)J/A+A/591/A136 : Galaxies & QSOs FIR size and surface brightness (Lutz+, 2016)J/ApJ/819/69 : [NII]205um emission in local luminous IR gal. (Zhao+, 2016)J/ApJS/229/25 : GOALS sample PACS and SPIRE fluxes (Chu+, 2017)J/ApJS/230/1 : Herschel SPIRE/FTS 194-671um survey of GOALS LIRGs (Lu+, 2017)http://archives.esac.esa.int/hsa/whsa/ : ESA Herschel Science Archive home pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/846/32https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/846/32http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/846/32https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/846/32https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/846/32http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/846/32GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/846/32/galaxies (List of individual galaxies; table added by CDS)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/846/32/galaxies?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/846/32/galaxies?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/846/32/galaxies?GETtext/xml+votable180.050000true2.472545825.92373890.005555555555555556Cone search capability for table J/ApJ/846/32/table1 (Emission line and continuum data for 241 galaxies)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/846/32/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/846/32/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/846/32/table1?GETtext/xml+votable180.050000true2.472166725.92397220.0055555555555555566/226 231 286 295 538 627 629 650 700 1276 1521 1677 1701-1702 1865 1918 2309 2363 2433 2518 2680 3364 3446 3824 3934 4993 5116 5130 5523 5816 5865 6098 6348 6781 7552 8106 8111 8266 8482 8562 8673 8997 9133 9770 9895 10081 10144 10210 10281 10404 10453 10465 10628 10716 11029 11101 11180 11206 11908 12537 13021 13184 13523 13632 14164 15323 15333 15570 16045 16091 16690 16755 16758 17075 17183 17252 17492 17506 17736 17754 17904 18406 18432 18714 18753 18897 18932 19283 19619 20060-20061 20118 20208 20254 20371 20895-20896 21016 21416 21747 22468 22721 22792 23339 23921 24123 24144 24163 24232 24293 24584 24631 24855 24958 25462 25610 26028 26035 26198 26264 26298 26324 26811 26932 27340 27537 28188 28393 28999 29439 29680 29937 30027 30383 30580 30810 30822 30879 31081 31158 31430 31503 32187 32548 32740 34010 34397 34531 34627 34695 35067 35576 35602 35608 36188 37113 37559 37564 37821 38129 38139 38246 38285 38786 38935 39472 39960 40082 40801 41276 41402 41430 41982 42010 42855 43078 43082 43107 43147 43298 43389 43564 43925 43994 44626 44671 45387 46077 46079 46130 46296 46399 46794 46811 46882 47029 47162 47235 47543 47854 48665https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/846/32?format=asciiInfrareddefaultJ/ApJ/846/32/galaxiesList of individual galaxies; table added by CDSSimbadNameSimbad column added by the CDSmeta.idcharnullableTargetTarget identifiermeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintID[0/240] Source identification numbermeta.id;meta.mainintprimaryAGNAGN fraction data (table 2)meta.ref.urlcharGCatDisplay data from Inami+, 2013, J/ApJ/777/156 ; Stierwalt+, 2014, J/ApJ/790/124 ; Lu+, 2017, J/ApJS/230/1 and Chu+, 2017, J/ApJS/229/25 within 5"meta.ref.urlintnullableNsNumber of emission line measurements for this galaxy (table 1)meta.numberintnullableNEDNED column added by the CDSmeta.ref.urlcharLEDAmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/ApJ/846/32/table1Emission line and continuum data for 241 galaxiesPIDProgram identifier of AORmeta.id;obscharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLine[1/4] Line code (1)meta.codeintID[0/240]? Source identification numbermeta.id;meta.mainintnullableTargetTarget identifiermeta.idcharXRas[0/2] X raster used to obtain the galaxy measurementsmeta.numberintYRas[0/2] Y raster used to obtain the galaxy measurementsmeta.numberintXCS[1/3] X reference central spaxel of raster (2)meta.numberintYCS[0/4] Y reference central spaxel of raster (2)meta.numberintRAJ2000Hour of Right Ascension (J2000) (3)meta.codeDEJ2000Degree of Declination (J2000) (3)pos.eq.dec;meta.mainDist[0.0/5.3] Distance from [OI] (63um) continuum peak to reference spaxelarcsecpos.angDistancefloatCFlux[-17.2/959.5] Central line flux (4)1e-17W.m**-2phot.flux;spect.linefloate_CFlux[0/15.5]? Uncertainty in CFlux1e-17W.m**-2stat.errorfloatnullableCCFlux[-855/130896] Flux density of continuum (5)mJyphot.fluxinte_CCFlux[6/513] Uncertainty in CCFluxmJystat.errorintComp[0/1] Companion galaxy within reference spaxel (1=yes)meta.codeintR-C[0/1] Reference and continuum spaxels coincide (1=yes)meta.codeintR-L[0/1] Reference and line spaxels coincide (1=yes)meta.codeintC-L[0/1] Continuum and line spaxels coincide (1=yes)meta.codeintBFlux[-7.3/3131] Galaxy-integrated line flux (6)1e-17W.m**-2phot.flux;spect.linefloate_BFlux[0/32.3]? Uncertainty in BFlux1e-17W.m**-2stat.errorfloatnullableBCFlux[-855/272584] Galaxy-integrated flux density of continuum (7)mJyphot.fluxinte_BCFlux[9/1970] Uncertainty in BCFluxmJystat.errorintBestBest galaxy-integrated measurement type (8)meta.codecharObsIdHerschel observation ID of dataset usedmeta.id;instr.setup;obscharJ/ApJ/846/32/table2AGN fractionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintID[0/240]? Source identification numbermeta.id;meta.mainintnullablel_NeV/NeII[-] Upper limit flag on NeV/NeIImeta.code.errorcharNeV/NeII[0/1]? MIR AGN fraction from [NeV](14.3um)/[NeII](12.8um) ratio diagnosticstat.fit.paramfloatnullablee_NeV/NeII[0.01/0.05]? Uncertainty in NeV/NeIIstat.errorfloatnullablel_OIV/NeII[-] Upper limit flag on OIV/NeIImeta.code.errorcharOIV/NeII[0/1]? MIR AGN fraction from [OIV](25.9um)/[NeII](12.8um) ratio diagnosticstat.fit.paramfloatnullablee_OIV/NeII[0.01/0.04]? Uncertainty in OIV/NeIIstat.errorfloatnullablel_6.2PAH[-] Lower limit flag on 6.2PAHmeta.code.errorchar6.2PAH[0/1]? MIR AGN fraction from 6.2um PAH equivalent widthstat.fit.paramfloatnullablee_6.2PAH[0.01/0.08]? Uncertainty in 6.2PAHstat.errorfloatnullableS30/S15[0/1]? MIR AGN fraction from S_30_/S_15_ ratio diagnosticstat.fit.paramfloatnullablee_S30/S15[0.01/0.4]? Uncertainty in S30/S15stat.errorfloatnullablel_Laurent[-] Lower limit flag on Laurentmeta.code.errorcharLaurent[0.1/1]? MIR AGN fraction from Laurent diagram diagnosticstat.fit.paramfloatnullablee_Laurent[0.01/0.2]? Uncertainty in Laurentstat.errorfloatnullable<AGN>[0/1] Average MIR AGN fraction based on all diagnosticsstat.fit.paramfloate_<AGN>[0/0.4] Uncertainty in <AGN>stat.errorfloat<AGN>Bol[0/1] Average bolometric AGN fraction based on all diagnostics (1)stat.fit.paramfloate_<AGN>Bol[0/0.3] Uncertainty in <AGN>Bolstat.errorfloat