J/ApJS/256/25ivo://CDS.VizieR/J/ApJS/256/25CDSTatematsu K.Kim G.Liu T.Evans II N.J.Yi H.-W.Lee J.-E.,Wu Y.Hirano N.Liu S.-Y.Dutta S.Sahu D.Sanhueza P.Kim K.-T.,Juvela M.Toth L.V.Feher O.He J.Ge J.Feng S.Choi M.Kang M.,Thompson M.A.Fuller G.A.Li DiRistorcelli I.Wang KeDi Francesco J.,Eden D.Ohashi S.Kandori R.Vastel C.Hirota T.Sakai T.Lu X.,Nguyen Lu'o'ng Q.Shinnaga H.Kim J.the JCMT Large Program "SCOPE" col.2022-06-13T13:37:44Z2022-03-31T12:47:46ZCDS support team

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

cds-question@unistra.frmolecular-physicsinterstellar-mediumradio-astronomyyoung-stellar-objectsgalaxy-kinematicsstar-forming-regionsmolecular-cloudsmillimeter-astronomysubmillimeter-astronomyWe present the results of on-the-fly mapping observations of 44 fields containing 107 SCUBA-2 cores in the emission lines of molecules N_2_H^+^, HC_3_N, and CCS at 82-94GHz using the Nobeyama 45m telescope. This study aimed at investigating the physical properties of cores that show high deuterium fractions and might be close to the onset of star formation. We found that the distributions of the N2H+ and HC3N line emissions are approximately similar to the distribution of the 850{mu}m dust continuum emission, whereas the CCS line emission is often undetected or is distributed in a clumpy structure surrounding the peak position of the 850{mu}m dust continuum emission. Occasionally (12%), we observe CCS emission, which is an early-type gas tracer toward the young stellar object, probably due to local high excitation. Evolution toward star formation does not immediately affect the nonthermal velocity dispersion.2021ApJS..256...25Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/256/25CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/319 : UKIDSS-DR9 LAS, GCS and DXS Surveys (Lawrence+ 2012)J/AJ/144/192 : Spitzer survey of Orion A & B. I. YSO catalog (Megeath+, 2012)J/ApJ/767/36 : APEX observations of HOPS protostars (Stutz+, 2013)J/A+A/579/A80 : Star-forming regions deuteration (Gerner+, 2015)J/A+A/594/A28 : Planck Catalogue of Galactic cold clumps (PGCC) (Planck+, 2016)J/ApJ/834/142 : Gould's Belt Distances Survey. II. OMC (Kounkel+, 2017)J/ApJ/846/144 : Virial analysis of the dense cores in Orion A (Kirk+, 2017)J/ApJS/236/51 : PGCCs in lambda Orionis complex. II. Cores at 850um (Yi+, 2018)J/AJ/156/18 : APOGEE:Binary companions of evolved stars (Price-Whelan+, 2018)J/A+A/644/A29 : 14N/15N ratio in YSOs (Redaelli+, 2020)J/ApJS/249/33 : Nobeyama molecular line survey of SCUBA-2 cores (Kim+, 2020)J/ApJS/251/20 : ALMA survey of Orion PGCCs (ALMASOP). II. 1.3mm (Dutta+, 2020)J/ApJS/254/14 : Planck Cold Clumps in lambda Orionis complex. III. (Yi+, 2021)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/256/25https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/256/25http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/256/25https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/256/25https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/256/25http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/256/25GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJS/256/25/cores (Mapped fields and SCUBA-2 cores (Table A1) with associated YSO data (Table A2))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/256/25/cores?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/256/25/cores?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/256/25/cores?GETtext/xml+votable180.050000true82.476958312.28222220.005555555555555556Cone search capability for table J/ApJS/256/25/lines (Line emission distribution in the Orion region (Tables A4 and A5))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/256/25/lines?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/256/25/lines?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/256/25/lines?GETtext/xml+votable180.050000true82.474583312.28341670.0055555555555555566/860 1075 1344 14052 14347 14594 14618 14678 15420-15421 15676 15759 21428 21430 21436 21438 22804-22805 22807 22854-22855 22861 23561 23563 23738 24474 29115 29119 29461 29469 29504 29535 30317-30319 30733 31263https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/256/25?format=asciiMillimeterRadiodefaultJ/ApJS/256/25/coresMapped fields and SCUBA-2 cores (Table A1) with associated YSO data (Table A2)NameSCUBA-2 core namemeta.id;meta.maincharprimaryRegRegion (1)obs.fieldcharYSOYSO namemeta.id.assoccharEmDisplay the line emission distribution for this coremeta.ref.urlintnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintFieldField name of the mapped regionobs.fieldcharRAMMap center hour of right ascension (J2000)pos.eq.raDEMMap center degree of declination (J2000)pos.eq.decDist[0.11/9.21]? Distancekpcpos.distance;pos.heliocentricfloatnullableRAJ2000SCUBA-2 core hour of right ascension (J2000)pos.eq.ra;meta.mainDEJ2000SCUBA-2 core degree of declination (J2000)pos.eq.dec;meta.mainYCatDisplay data from Yi+, 2018, J/ApJS/236/51 and 2021, J/ApJS/254/14meta.ref.urlintnullableNH2Display the properties for this NH2+ core (link to Table 4)meta.ref.urlintnullableDDisplay the Deuterium fraction for this core (link to Table 6)meta.ref.urlintnullableClassCore classification (1)meta.code.classcharRAY? YSO hour of right ascension (J2000)pos.eq.ranullableDEY? YSO degree of declination (J2000)pos.eq.decnullableTbol[15/158]? Bolometric temperatureKphys.temperatureintnullablee_Tbol[5/25]? Tbol uncertaintyKstat.errorintnullableLbol[0.1/180]? Bolometric luminositysolLumphys.luminosityfloatnullablee_Lbol[0.1/70]? Lbol uncertaintysolLumstat.errorfloatnullableSep[0/31.6]? Separation, {theta}_core_-YSOarcsecpos.angDistancefloatnullableSizeMap sizearcminphys.angSize;obs.fieldcharJ/ApJS/256/25/table4Physical properties of N_2_H^+^ core for SCUBA-2 cores in the Orion regionMvir[1.2/17.1] Virial mass (2)solMassphys.massfloatNameSCUBA-2 core namemeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintDelV[0.35/1.42] N_2_H^+^ FWHM line width toward the SCUBA-2 position (Kim+ 2020, J/ApJS/249/33) (1)km/sspect.line.widthfloate_DelV[0.01/0.16] DelV uncertaintykm/sstat.errorfloatSigNt[0.13/0.6] Nonthermal velocity dispersion (1)km/sphys.veloc.dispersionfloate_SigNt[0.01/0.06] Signt uncertaintykm/sstat.errorfloatSigTot[0.25/0.65] Total velocity dispersion (1)km/sphys.veloc.dispersionfloate_SigTot[0.01/0.11] Sigtot uncertaintykm/sstat.errorfloatRdust[0.005/0.12] HWHM dust continuum radius (Yi+ 2018, J/ApJS/236/51) (2)pcphys.size.radius;spect.continuumfloatMdust[0.07/12.25] Mass from the dust continuum (Yi+ 2018, J/ApJS/236/51) (2)solMassphys.massfloate_Mdust[0.02/3.18] Mdust uncertaintysolMassstat.errorfloate_Mvir[0.2/3] Mvir uncertaintysolMassstat.errorfloataVir[0.1/18] Virial parameter (2)phys.mass;arith.ratiofloate_aVir[0.03/14.5] AVir uncertaintystat.errorfloatTkin[10.8/19.7] Kinetic temperature (1)Kphys.temperaturefloatFilAssociation with the filament?meta.codecharJ/ApJS/256/25/table6Deuterium fraction and CEF2.0YSOYSO association?meta.codecharNameSCUBA-2 core namemeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintVlsr[-19.3/105] Local Standard of Rest velocitykm/sphys.veloc;pos.lsrfloatl_N2D/N2HLimit flag on N2D/N2Hmeta.code.errorcharN2D/N2H[0.04/0.63]? N_2_D^+^ to N_2_H^+^ column density ratiophys.columnDensity;arith.ratiofloatnullablee_N2D/N2H[0.01/0.13]? N2D/N2H uncertaintystat.errorfloatnullablel_DNC/HNCLimit flag on DNC/HNCmeta.code.errorcharDNC/HNC[0.4/14.6]? DNC to HN^13^C column density ratiophys.columnDensity;arith.ratiofloatnullablee_DNC/HNC[0.3/10.3]? DNC/HNC uncertaintystat.errorfloatnullableCEF2[-67/-18]? CEF2.0 value (1)stat.fit.paramintnullablee_CEF2[3/36]? CEF2 uncertaintystat.errorintnullableJ/ApJS/256/25/tablea3Parameters for integrated-intensity maps for the N_2_H^+^, HC_3_N, CCS-H, and CCS-L linesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNcNumber of cores in this field (link to Tables A1+A2)meta.numberintnullableb_VN2H[-22.2/102.4] Lower limit of the velocity integration range for the integrated-intensity map of N_2_H^+^ linekm/sphys.veloc;instr.bandwidth;stat.minfloatB_VN2H[-16.3/109] Upper limit of the velocity integration range for the integrated-intensity map of N_2_H^+^ linekm/sphys.veloc;instr.bandwidth;stat.maxfloatb_Vel[-20.4/103.7] Lower limit of velocity range for the integrated-intensity map of HC_3_N, CCS-H, and CCS-L lineskm/sphys.veloc;instr.bandwidth;stat.minfloatB_Vel[-17.8/109] Upper limit of velocity range for the integrated-intensity map of HC_3_N, CCS-H, and CCS-L lineskm/sphys.veloc;instr.bandwidth;stat.maxfloate_IN2Hpk[0.05/0.16] RMS value of the N_2_H^+^ integrated intensityK.km/sstat.errorfloatIN2Hpk[1.15/17.38] Peak value of the N_2_H^+^ integrated intensityK.km/sphot.flux.density;stat.maxfloate_IHC3Npk[0.03/0.24] RMS value of the HC_3_N integrated intensityK.km/sstat.errorfloatIHC3Npk[0.16/6.5] Peak value of the HC_3_N integrated intensityK.km/sphot.flux.density;stat.maxfloate_ICCSHpk[0.03/0.2] RMS value of the CCS-H integrated intensityK.km/sstat.errorfloatICCSHpk[0.13/0.75] Peak value of the CCS-H integrated intensityK.km/sphot.flux.density;stat.maxfloate_ICCSLpk[0.03/0.16] RMS value of the CCS-L integrated intensityK.km/sstat.errorfloatICCSLpk[0.12/0.86] Peak value of the CCS-L integrated intensityK.km/sphot.flux.density;stat.maxfloatFieldField name of the mapped areaobs.fieldcharJ/ApJS/256/25/linesLine emission distribution in the Orion region (Tables A4 and A5)NameSCUBA-2 core namemeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000? Hour of right ascension (J2000) (1)pos.eq.ranullableDEJ2000? Degree of declination (J2000) (1)pos.eq.decnullableSepN2H[0.001/0.14]? Separation between the SCUBA-2 core and the N2H+ corepcpos.angDistancefloatnullableRadN2H[0.029/0.14]? Deconvolved radius of the N_2_H^+^ corepcphys.size.radiusfloatnullableRAH? Hour of right ascension (J2000) (2)pos.eq.ranullableDEH? Degree of declination (J2000) (2)pos.eq.decnullableSepHC3N[0.001/0.16]? Separation between SCUBA-2 core and HC_3_N corepcpos.angDistancefloatnullableRadHC3N[0.025/0.14]? Deconvolved radius of the HC_3_N corepcphys.size.radiusfloatnullableRAC? Hour of right ascension (J2000) (3)pos.eq.ranullableDEC? Degree of declination (J2000) (3)pos.eq.decnullableSepCCSH[0.0001/0.06]? Separation between the SCUBA-2 core and the CCS-H corepcpos.angDistancefloatnullableRadCCSH[0.038/0.11]? Deconvolved radius of the CCS-H corepcphys.size.radiusfloatnullableRAL? Hour of right ascension (J2000) (4)pos.eq.ranullableDEL? Degree of declination (J2000) (4)pos.eq.decnullableSepCCSL[0.006/0.16]? Separation between the SCUBA-2 core and the CCS-L corepcpos.angDistancefloatnullableRadCCSL[0.021/0.16]? Deconvolved radius of the CCS-L corepcphys.size.radiusfloatnullable_RAPositions from peak intensity first for the N2H+ and then the HC3N core (right ascension part)degpos.eq.ra;meta.main_DEPositions from peak intensity first for the N2H+ and then the HC3N core (declination part)degpos.eq.dec;meta.main