J/ApJ/685/1005ivo://CDS.VizieR/J/ApJ/685/1005doi:10.26093/cds/vizier.16851005CDSQiu K.Zhang Q.Megeath S.T.Gutermuth R.A.Beuther H.Shepherd D.S.,Sridharan T.K.Testi L.De Pree C.G.2018-02-01T11:50:43Z2010-12-23T12:04:36ZCDS support team

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

cds-question@unistra.frinfrared-photometryyoung-stellar-objectsh-ii-regionsWe present Spitzer Space Telescope IRAC and MIPS observations toward a sample of nine high-mass star forming regions at a distance of around 2kpc. Based on IRAC and MIPS 24um photometric results and 2MASS JHKs data, we carry out a census of young stellar objects (YSOs) in a 5'x5' field toward each region. Toward seven out of the nine regions, we detect parsec-sized clusters with around 20 YSOs surrounded by a more extended and sparse distribution of young stars and protostars. For the other two regions, IRAS 20126+4104 and IRAS 22172+5549, the former has the lowest number of YSOs in the sample and shows no obvious cluster, and the latter appears to be part of a larger, potentially more evolved cluster.2008ApJ...685.1005Qhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/685/1005CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJ/629/288 : Infrared sources near AFGL 5142 (Chen+, 2005)J/A+A/361/660 : JHK photometry around S233IR (Porras+, 2000)J/A+A/445/971 : Mid-infrared images of W75N (Persi+, 2006)J/A+A/466/1065 : submm images of IRAS 05358+3543 (Beuther+, 2007)J/A+A/475/925 : IRAS 05358+3543 (sub)mm maps (Leurini+, 2007)J/A+A/489/229 : NIR photometry of IRAS 19410+2336 (Martin-Hernandez+, 2008)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/685/1005https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/685/1005http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/685/1005https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/685/1005https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/685/1005http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/685/1005GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/685/1005/table3 (YSOs: 2MASS, IRAC, MIPS 24um photometry)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/685/1005/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/685/1005/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/685/1005/table3?GETtext/xml+votable180.050000true82.652541733.82191670.0055555555555555566/14255 14353 14355 14655 14667 14689 14704 23795 23801 24507 24554 290706.772611666688002e-21 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/685/1005?format=asciiInfrareddefaultJ/ApJ/685/1005/table3YSOs: 2MASS, IRAC, MIPS 24um photometryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRegStar forming regionmeta.id.parentcharRAJ2000Hour of Right Ascension (J2000)pos.eq.ra;meta.mainDEJ2000Degree of Declination (J2000)pos.eq.dec;meta.mainJmag? 2MASS J band magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag? Uncertainty in Jmagmagstat.error;phot.mag;em.IR.JfloatnullableHmag? 2MASS H band magnitudemagphot.mag;em.IR.Hfloatnullablee_Hmag? Uncertainty in Hmagmagstat.error;phot.mag;em.IR.HfloatnullableKsmag? 2MASS Ks band magnitudemagphot.mag;em.IR.Kfloatnullablee_Ksmag? Uncertainty in Ksmagmagstat.error;phot.mag;em.IR.Kfloatnullable3.6mag? Spitzer/IRAC 3.6 band magnitudemagphot.mag;em.IR.3-4umfloatnullablee_3.6mag? Uncertainty in 3.6magmagstat.errorfloatnullable4.5magSpitzer/IRAC 4.5 band magnitudemagphot.mag;em.IR.4-8umfloate_4.5magUncertainty in 4.5magmagstat.errorfloat5.8mag? Spitzer/IRAC 5.8 band magnitudemagphot.flux.density;em.IR.4-8umfloatnullablee_5.8mag? Uncertainty in 5.8magmagstat.errorfloatnullable8.0mag? Spitzer/IRAC 8.0 band magnitudemagphot.flux.density;em.IR.8-15umfloatnullablee_8.0mag? Uncertainty in 8.0magmagstat.errorfloatnullablef_24magLimit flag on 24mag (1)meta.codechar24mag? Spitzer/MIPS 24 band magnitudemagphot.flux.density;em.IR.15-30umfloatnullablee_24mag? Uncertainty in 24magmagstat.errorfloatnullablen_24magNote on 24mag (2)meta.notecharNotesAdditional remark(s) (3)meta.notechar2MDisplay the 2MASS data (Cutri et al. 2003, Cat. II/246)meta.ref.urlchar