J/ApJ/897/74ivo://CDS.VizieR/J/ApJ/897/74doi:10.26093/cds/vizier.18970074CDSZhou J.Zhou D.Esimbek J.Baan W.Wu G.Ji W.He Y.Li D.,Sailanbek S.Komesh T.Tang X.2023-06-08T11:49:12Z2021-10-19T08:05:47ZCDS support team

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

cds-question@unistra.frinterstellar-mediumh-ii-regionsyoung-stellar-objectsmolecular-cloudsstar-forming-regionsco-line-emissioninfrared-photometryThe bubble G15.684-0.29 has a radius of 15.7pc. Its large size indicates that it may have enough time to trigger star formation. We identify 39 dense cold clumps around the bubble from the HI-GAL survey. All of them satisfy the criteria for forming massive stars, and most of them lie in the bubble shell. We identify 19 molecular clumps around the bubble from the 12CO(3-2) survey, all of which are gravitationally bound. We found 9 Class I YSOs, 28 Class II YSOs, and 12 transition disks (TDs) around the bubble. For those young stellar objects (YSOs) located within the bubble boundary, 6 of 7 Class I YSOs lie in the shell, 15 of 22 Class II YSOs lie inside the bubble, and 3 of 5 TDs lie inside the bubble. The dynamical age of G15.684-0.29 in a turbulent medium is ~4Myr, which is much greater than the shell fragmentation time, ~0.82-1.74Myr. We suggest that triggered star formation may be ongoing in the shell of the bubble, and the collect and collapse model may work here. However, we cannot rule out the possibility that the radiation-driven implosion model may work on the formation of some YSOs. As we expected, the larger bubble has a much longer dynamical age, but we failed to find a clear age gradient for YSOs around the bubble.2020ApJ...897...74Zhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/897/74CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/275/67 : Velocity Field of the outer Galaxy (Brand+ 1993)J/ApJ/428/693 : Rosette Nebula and Maddalena Cloud structures (Williams+, 1994)J/AJ/130/586 : Compact radio sources in the galactic plane (White+, 2005)J/ApJ/649/759 : Bubbles in the galactic disk (Churchwell+, 2006)J/AJ/131/2525 : MAGPIS 20cm survey (Helfand+, 2006)J/ApJ/657/884 : Spectroscopy of TTau and Herbig Ae/Be candidates (Lee+, 2007)J/A+A/472/835 : JHKs and GLIMPSE photometry of RCW 120 (Zavagno+, 2007)J/ApJS/184/18 : Spitzer survey of young stellar clusters (Gutermuth+, 2009)J/MNRAS/415/1202 : BVI photometry in W5E HII region (Chauhan+, 2011)J/MNRAS/424/2442 : Catalog of bubbles from Milky Way Project (Simpson+, 2012)J/MNRAS/435/400 : ATLASGAL. Properties of compact HII regions (Urquhart+, 2013)J/ApJS/212/1 : The WISE catalog of Galactic HII regions (Anderson+, 2014)J/ApJ/797/40 : YSO candidates in the IR dust bubble N6 (Yuan+, 2014)J/A+A/591/A5 : ATLASGAL dense filamentary structures (Li+, 2016)J/A+A/606/A8 : Bubble HII region Sh2-39 (N5) (Duronea+, 2017)J/MNRAS/471/100 : Hi-GAL compact source catalog. -71.0<l<67.0 (Elia+, 2017)J/MNRAS/473/1059 : Complete sample Galactic clump properties (Urquhart+, 2018)J/ApJ/885/131 : ~200 high-mass SFR plx & proper motion with VLBI (Reid+, 2019)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/897/74https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/897/74http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/897/74https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/897/74https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/897/74http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/897/74GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/897/74/table1 (39 dense cold clumps from the Hi-GAL survey and their parameters)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/897/74/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/897/74/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/897/74/table1?GETtext/xml+votable180.050000true275.0272-15.52620.005555555555555556Cone search capability for table J/ApJ/897/74/table2 (19 molecular clumps identified from ^12^CO(3-2) survey and their parameters)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/897/74/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/897/74/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/897/74/table2?GETtext/xml+votable180.050000true275.03-15.52540.005555555555555556Cone search capability for table J/ApJ/897/74/ysos (Magnitudes and evolution stages (Table 3) and SED fitting results (Table 4) of 49 YSOs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/897/74/ysos?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/897/74/ysos?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/897/74/ysos?GETtext/xml+votable180.050000true275.0318875-15.54340250.0055555555555555566/291186.772611666688002e-21 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/897/74?format=asciiInfraredRadiodefaultJ/ApJ/897/74/table139 dense cold clumps from the Hi-GAL survey and their parametersrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSimbadSimbad column added by the CDSmeta.ref.urlchar_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainSeq[1/39] Sequential numbermeta.recordintStageClump stagesrc.morph.typecharVel[17.2/114] Velocitykm/sphys.velocfloate_Vel[1/1.2] Error on Velkm/sstat.errorfloatDist[10/12.2] Distancekpcpos.distancefloate_Dist[0.2/1.6] Error on Distkpcstat.errorfloatRad[0.25/1.39] Radiuspcphys.size.radiusfloatMass[141.2/4275] MasssolMassphys.massdoubleLmass[55.4/1678] Larson mass(870M{sun}(r/pc)^1.33^)solMassphys.massdouble_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.mainRelReliablemeta.codecharNameClump designationmeta.id;meta.maincharJ/ApJ/897/74/table219 molecular clumps identified from ^12^CO(3-2) survey and their parametersSeq[1/19] Sequential numbermeta.recordintGLON[15.57/15.75] Longitudedegpos.galactic.lonGLAT[-0.41/-0.16] Latitudedegpos.galactic.latVel[54.7/57.8] Central velocitykm/sphys.veloc;em.wl.centralfloatWidth[2.28/6.77] Velocity width at pick of clumpkm/sspect.line.widthfloatDist[10.6/11.7] Distancekpcpos.distancefloate_Dist[0.81/1.5] Error in Distkpcstat.errorfloatRad[0.83/2.11] Effective radiuspcphys.size.radiusfloat[H2][22.05/22.17] H2 densitylog(cm**-2)src.densityfloatMass[667/6850] Clump masssolMassphys.massdoubleMvir[53.5/4250] Virial masssolMassphys.massdoubleMratio[1.11/12.69] Mass/Mvir ratiophys.mass;arith.ratiofloat_RA.icrsRight ascension (ICRS) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.raindexedShellClump lies in the bubble shell; Yes or Nometa.codechar_DE.icrsDeclination (ICRS) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.decindexedClumpAssociated dust clumpmeta.id.assoccharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintJ/ApJ/897/74/ysosMagnitudes and evolution stages (Table 3) and SED fitting results (Table 4) of 49 YSOsNameYSO designationmeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSeq[1/49] Sequential numbermeta.recordintJmag[11.1/15.2]? 2MASS J-band magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag[0.02/0.08]? Error on Jmagmagstat.error;phot.magfloatnullableHmag[8.65/14.3]? 2MASS H-band magnitudemagphot.mag;em.IR.Hfloatnullablee_Hmag[0.02/0.09]? Error on Hmagmagstat.error;phot.magfloatnullableKsmag[7.43/13.5]? 2MASS Ks-band magnitudemagphot.mag;em.IR.Kfloatnullablee_Ksmag[0.02/0.08]? Error on Ksmagmagstat.error;phot.magfloatnullable3.6mag[7.05/14.25]? Spitzer/IRAC 3.6um magnitudemagphot.mag;em.IR.3-4umfloatnullablee_3.6mag[0.03/0.18]? Error on 3.6magmagstat.errorfloatnullable4.5mag[6.75/13.9]? Spitzer/IRAC 4.5um magnitudemagphot.mag;em.IR.4-8umfloatnullablee_4.5mag[0.03/0.33]? Error on 4.5magmagstat.errorfloatnullable5.8mag[4.84/12.14]? Spitzer/IRAC 5.8um magnitudemagphot.flux.density;em.IR.4-8umfloatnullablee_5.8mag[0.03/0.28]? Error on 5.8ummagstat.errorfloatnullableAV[0/34.3] Extinctionmagphys.absorptionfloate_AV[0/3.7] Error on AVmagstat.errorfloatAge[0/4.17] AgeMyrtime.agefloate_Age[0/0.6] Error on AgeMyrstat.error;time.agefloatMass[2.91/22.3] Stellar masssolMassphys.massfloate_Mass[0/2.2] Error on MasssolMassstat.error;phys.massfloate_Mdisk[0/122] Error on Mdisk (10^-3^M{sun})solMassstat.errorfloatMenv[0/1108] Enveloppe masssolMassphys.massfloate_Menv[0/62.7] Error on MenvsolMassstat.errorfloatRimYSO inside or on the rimmeta.codechar8.0mag[4.09/11.03]? Spitzer/IRAC 8.0um magnitudemagphot.flux.density;em.IR.8-15umfloatnullablee_8.0mag[0.02/0.2]? Error on 8ummagstat.errorfloatnullable24mag[1.24/7.32]? Spitzer/MIPS 24um magnitudemagphot.flux.density;em.IR.15-30umfloatnullablee_24mag[0.02/0.18]? Error on 24magmagstat.errorfloatnullableClassYSO class typemeta.code.classSimbadSimbad column added by the CDSmeta.ref.urlcharTeff[4.26/34.28] Effective temperature (10^3^K)Kphys.temperature.effectivefloate_Teff[0/4.9] Error on Teff (10^3^K)Kstat.error;phys.temperature.effectivefloatMdisk[0/333] Disk mass (10^-3^M{sun})solMassphys.massfloatMenv/dt[0/6.1] Enveloppe accretion rate (10^-3^M{sun}/yr)solMass/yrarith.ratefloate_Menv/dt[0/0.2] Error on Menv/dt (10^-3^M{sun}/yr)solMass/yrstat.errorfloat_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.main