J/A+A/488/987ivo://CDS.VizieR/J/A+A/488/987doi:10.26093/cds/vizier.34880987CDSHaas M.Heymann F.Domke I.Drass H.Chini R.Hoffmeister V.2009-10-13T06:59:15Z2009-10-13T06:50:20ZCDS support team

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

cds-question@unistra.frinfrared-sourcesinfrared-photometryTo understand low- to intermediate-mass star-formation in the nearby R CrA molecular cloud, we try to identify the stellar content that is accessible with near-infrared observations. We obtained a JHKs band mosaic of ~10'x60' covering the entire R CrA molecular cloud with unprecedented sensitivity. We present a catalogue of about 3500 near-infrared sources fainter than the saturation limit Ks~10mag, reaching Ks~18mag. We analysed the extended sources by inspecting their morphology and point sources by means of colour-colour and colour-magnitude diagrams. Additionally, we compared the extinction inferred from the NIR data with the line-of-sight dust emission at 1.2mm. Sources towards high dust emission but relatively low H-Ks show a projected mm-excess; these sources are either immediately surrounded by cold circumstellar material or, if too red to be a true foreground object, they are embedded in the front layer of the 1.2mm emitting dust cloud. In both cases they are most likely associated with the cloud.2008A&A...488..987Hhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/488/987CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJ/397/520 : IRAS observations in Cr A (Wilking+, 1992)J/A+AS/116/21 : Extinction toward CrA and Lup (Andreazza+, 1996)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/488/987https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/488/987http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/488/987https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/488/987https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/488/987http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/488/987GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/488/987/tablea1 (List of point sources)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/488/987/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/488/987/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/488/987/tablea1?GETtext/xml+votable180.050000true285.15548694-36.961773060.0055555555555555566/47742 47825 47828https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/488/987?format=asciiInfrareddefaultJ/A+A/488/987/tablea1List of point sourcesFldField namemeta.id;obs.fieldcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSeqSequential number of source in the fieldmeta.recordintm_Seq[ab] Flag for sources with same name (G1)meta.code.multipcharRAJ2000Right ascension in decimal degrees (J2000)degpos.eq.ra;meta.mainDEJ2000Declination in decimal degrees (J2000)degpos.eq.dec;meta.mainJmag? J magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag? rms uncertainty on Jmagmagstat.error;phot.mag;em.IR.JfloatnullableHmag? H magnitudemagphot.mag;em.IR.Hfloatnullablee_Hmag? rms uncertainty on Hmagmagstat.error;phot.mag;em.IR.HfloatnullableKmag? K magnitudemagphot.mag;em.IR.Kfloatnullablee_Kmag? rms uncertainty on Kmagmagstat.error;phot.mag;em.IR.KfloatnullableS1.2mmFlux at 1.2mm (250GHz)MJy/srphot.flux.density;em.mm.200-400GHzfloate_S1.2mmrms uncertainty on S1.2mmMJy/srstat.errorfloatFieldsField(s) (1)meta.id;obs.fieldcharMm[m] probable member from table3 (2)meta.code.memberchar