J/AJ/150/40ivo://CDS.VizieR/J/AJ/150/40doi:10.26093/cds/vizier.51500040CDSYoung K.E.Young C.H.Lai S.-P.Dunham M.M.Evans II N.J.2017-06-28T06:58:43Z2015-10-02T08:11:01ZCDS support team

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

cds-question@unistra.frsurveysmolecular-cloudsyoung-stellar-objectsinterstellar-mediuminfrared-photometryastronomical-object-identificationThe Spitzer Space Telescope mapped the Perseus molecular cloud complex with the Infrared Array Camera (IRAC) and the Multi-Band Imaging Photometer for Spitzer (MIPS) as part of the c2d Spitzer Legacy project. This paper combines the observations from both instruments giving an overview of low-mass star formation across Perseus from 3.6 to 70{mu}m. We provide an updated list of young stellar objects (YSOs) with new classifications and source fluxes from previous works, identifying 369 YSOs in Perseus with the Spitzer data set. By synthesizing the IRAC and MIPS maps of Perseus and building on the work of previous papers in this series, we present a current census of star formation across the cloud and within smaller regions. Sixty-seven percent of the YSOs are associated with the young clusters NGC 1333 and IC 348. The majority of the star formation activity in Perseus occurs in the regions around the clusters to the eastern and western ends of the cloud complex. The middle of the cloud is nearly empty of YSOs despite containing regions of high visual extinction. The western half of Perseus contains three-quarters of the total number of embedded YSOs (Class 0+I and Flat spectral energy distribution sources) in the cloud and nearly as many embedded YSOs as Class II and III sources. Class II and III objects greatly outnumber Class 0+I objects in eastern Perseus and IC 348. These results are consistent with previous age estimates for the clusters. Across the cloud, 56% of YSOs and 91% of the Class 0+I and Flat sources are in areas where A_v_>=5mag, indicating a possible extinction threshold for star formation.2015AJ....150...40Yhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/150/40CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/332 : c2d Spitzer final data release (DR4) (Evans+, 2003)J/AJ/150/17 : A catalog of point sources toward NGC 1333 (Rebull, 2015)J/ApJS/205/5 : YSO candidates in nearby molecular clouds (Hsieh+, 2013)J/ApJ/714/778 : YSOs in the Serpens Molecular Cloud (Oliveira+, 2010)J/ApJ/692/973 : Protostars in Perseus, Serpens and Ophiuchus (Enoch+, 2009)J/ApJ/691/672 : Spectrocopy of YSOs in Serp. molecular cloud (Oliveira+ 2009)J/ApJS/184/18 : Spitzer survey of young stellar clusters (Gutermuth+, 2009)J/ApJS/181/321 : Properties of Spitzer c2d dark clouds (Evans+, 2009)J/ApJS/177/551 : Spitzer c2d survey of Lupus dark clouds (Merin+, 2008)J/ApJ/684/1240 : Prestellar cores in Pers, Serp and Ophiuchus (Enoch+, 2008)J/ApJ/676/427 : MIPS and IRAC data on ChaII PMS stars (Alcala+, 2008)J/ApJ/674/336 : Spitzer observations of NGC 1333 (Gutermuth+, 2008)J/ApJ/663/1149 : Spitzer survey of Serpens YSO population (Harvey+, 2007)J/AJ/131/1574 : Infrared photometry of IC348 members (Lada+, 2006)J/ApJ/646/1009 : Structures of dust in Perseus molecular cloud (Kirk+, 2006)J/ApJ/638/293 : 1.1mm sources in the Perseus Molecular Cloud (Enoch+, 2006)J/A+A/440/151 : Observations at 850um in Perseus clusters (Hatchell+, 2005)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/150/40https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/150/40http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/150/40https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/150/40https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/150/40http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/150/40GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/150/40/YSOs (Young Stellar Objects: in the IC 348 region , in the NGC 1333 region , and in the remaining cloud)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/150/40/YSOs?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/150/40/YSOs?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/150/40/YSOs?GETtext/xml+votable180.050000true55.807083332.01255560.0055555555555555566/855 857 858 859 860 861 862 881 1538 1539 1542 15442.4016587514425055e-21 6.185923063528282e-20https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/150/40?format=asciiInfrareddefaultJ/AJ/150/40/YSOsYoung Stellar Objects: in the IC 348 region , in the NGC 1333 region , and in the remaining cloude_F70[1/15000]? Uncertainty in F70mJystat.error;phot.flux.density;em.IR.60-100umfloatnullableRegionRegion (IC 348, NGC 1333, or RC=Remaining Cloud)meta.id.parentcharSSTc2dSpitzer source name (JHHMMSS.ss+DDMMSS.s) (1)meta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintE09[121/505] Source index number from Evans et al. 2009 (J/ApJS/181/321)meta.idintalpha[-2.48/3.4] Spectral index {alpha} (2)spect.indexfloatClassClassification according the spectral index {alpha} (0+I, II, III, or Flat) (3)meta.code.classcharF3.6[0.04/1300]? Spitzer/IRAC 3.6{mu}m band flux density (4)mJyphot.flux.density;em.IR.3-4umfloatnullablee_F3.6[0/110]? Uncertainty in F3.6mJystat.error;phot.flux.density;em.IR.3-4umfloatnullableF4.5[0.03/2400]? Spitzer/IRAC 4.5{mu}m band flux density (4)mJyphot.flux.density;em.IR.4-8umfloatnullablee_F4.5[0/230]? Uncertainty in F4.5mJystat.error;phot.flux.density;em.IR.4-8umfloatnullableF5.8[0.13/3900]? Spitzer/IRAC 5.8{mu}m band flux density (4)mJyphot.flux.density;em.IR.4-8umfloatnullablee_F5.8[0.01/420]? Uncertainty in F5.8mJystat.error;phot.flux.density;em.IR.4-8umfloatnullableF8.0[0.21/7500]? Spitzer/IRAC 8.0{mu}m band flux density (4)mJyphot.flux.density;em.IR.4-8umfloatnullablee_F8.0[0.04/430]? Uncertainty in F8.0mJystat.error;phot.flux.density;em.IR.4-8umfloatnullableF24[1.1/7900]? Spitzer/MIPS 24{mu}m band flux density (4)mJyphot.flux.density;em.IR.15-30umfloatnullablee_F24[0.11/1400]? Uncertainty in F24mJystat.error;phot.flux.density;em.IR.15-30umfloatnullableF70[40/140000]? Spitzer/MIPS 70{mu}m band flux density (4)mJyphot.flux.density;em.IR.60-100umintnullablec2dDisplay the source in the c2d Spitzer final data release (DR4; Evans et al. 2003, cat. II/332) within 1.5''meta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPosition from Spitzer name (right ascension part)degpos.eq.ra;meta.main_DEPosition from Spitzer name (declination part)degpos.eq.dec;meta.main