J/A+A/461/11ivo://CDS.VizieR/J/A+A/461/11doi:10.26093/cds/vizier.34610011CDSUrquhart J.S.Busfield A.L.Hoare M.G.Lumsden S.L.Clarke A.J.,Moore T.J.T.Mottram J.C.Oudmaijer R.D.2023-07-24T15:23:05Z2007-09-02T14:26:54ZCDS support team

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

cds-question@unistra.fryoung-stellar-objectsradio-sourcesradio-continuum-emissionThe Red MSX Source (RMS) survey is a multi-wavelength programme of follow-up observations designed to distinguish between genuine massive young stellar objects (MYSOs) and other embedded or dusty objects, such as ultra compact (UC) HII regions, evolved stars and planetary nebulae (PNe). We have identified nearly 2000 MYSOs candidates by comparing the colours of MSX and 2MASS point sources to those of known MYSOs. There are several other types of embedded or dust enshrouded objects that have similar colours as MYSOs and contaminate our sample. Two sources of contamination are from UCHII regions and PNe, both of which can be identified from the radio emission emitted by their ionised nebulae. In order to identify UCHII regions and PNe that contaminate our sample we have conducted high resolution radio continuum observations at 3.6 and 6cm of all southern MYSOs candidates (235{deg}<l<350{deg}) using the Australia Telescope Compact Array (ATCA). These observations have a spatial resolution of ~1-2" and typical image rms noise values of ~0.3mJy, sensitive enough to detect a HII region powered by a B0.5 star at the far side of the Galaxy. Of the 826 RMS sources observed we found 199 to be associated with radio emission, ~25% of the sample. The Galactic distribution, morphologies and spectral indices of the radio sources associated with the RMS sources are consistent with these sources being UCHII regions. Importantly, the 627 RMS sources for which no radio emission was detected are still potential MYSOs. In addition to the 802 RMS fields observed we present observations of a further 190 fields. These observations were made towards MSX sources that passed cuts in earlier versions of the survey, but were later excluded.2007A&A...461...11Uhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/461/11CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toV/114 : MSX6C Infrared Point Source Catalog (Egan+ 2003)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/461/11https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/461/11http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/461/11https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/461/11https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/461/11http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/461/11GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/461/11/fields (Summary of the RMS fields observed (principal and additional, tables 3 and 6 of the paper))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/461/11/fields?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/461/11/fields?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/461/11/fields?GETtext/xml+votable180.050000true116.11625-20.14250.005555555555555556Cone search capability for table J/A+A/461/11/radio (Radio parameters (tables 5, 7 and 8 of the paper))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/461/11/radio?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/461/11/radio?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/461/11/radio?GETtext/xml+votable180.050000true118.7337917-34.82719440.005555555555555556Associated datahttps://cdsarc.cds.unistra.fr/assocdata/?obs_collection=J/A+A/461/114/2652 5/9341 9474-9475 9480 10419-10421 10441 10444 10453 10539 10542-10543 10553 10556 10594-10595 10598 10624 6/37242 37333 37335 37339 37341-37343 37362 37368-37369 37372-37374 37703 37713-37714 37716 37718 37720 37732 37745-37747 37749 37752 37829 37831 37839 37842 37848-37850 37852 37855 37860-37861 37870 37872 37878 37882 37884 37886-37887 37890 37893-37895 37904 37906-37907 37912-37914 37924 37926 37928-37929 37931 37934 37938 38016 38018-38019 38024 38026-38027 38435 38563 39240 39246 39248-39250 39252 39258-39259 39267-39268 39270-39271 39273 39276 39281 39375 39386 39745 39774 40612 41470-41471 41566 41581 41594-41597 41599 41622 41631 41646-41647 41653-41658 41660 41663 41670-41671 41673 41675 41688-41689 41691 41693-41694 41696 41701-41702 41740 41751 41756 41758-41759 41763 41769-41770 41772 41774-41775 41780-41782 41786 41788 41798-41800 41802 41804-41806 41809 41811 41816-41817 41819-41820 41822 41824-41825 41827 41857 41866 42152 42155 42160 42163-42164 42167 42190-42191 42201-42202 42206-42207 42209-42211 42216-42217 42219-42220 42228-42230 42233 42286 42299 42302-42303 42345 42347-42350 42362 42371-42372 42374 42387 42389-42391 42396-42398 42400 42403 42417 42421 42429 42464-42466 42468 42478 42500-42502 42504-42505 42512 42514-42516 42518-42519 42529 42560-42561 43009-43011 43013-43014 43017-43022 43024 43026 43040-43041 430473.180513520130092e-24 3.180513520130092e-24https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/461/11?format=asciiRadiodefaultJ/A+A/461/11/fieldsSummary of the RMS fields observed (principal and additional, tables 3 and 6 of the paper)MSXDisplay the data from MSX (Cat. V/114)meta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMDetails of radio sources and mapsmeta.ref.urlcharn_RMSmeta.idcharRMSRMS (MSX) field name (GLLL.llll+BB.bbbb)meta.id;meta.maincharprimaryRAJ2000Right Ascension J2000pos.eq.ra;meta.mainDEJ2000Declination J2000pos.eq.dec;meta.mainmaj66cm (4800MHz) synthesised beam Major Axisarcsecphys.angSize.smajAxisfloatmin66cm (4800MHz) synthesised beam Minor Axisarcsecphys.angSize.sminAxisfloatPA6[-90,90] 6cm synthesised beam Position Angledegpos.posAng;instr.beamfloatrms66cm Image rms of final restored map (1)mJystat.stdevfloatmaj33cm (8640MHz) synthesised beam Major Axisarcsecphys.angSize.smajAxisfloatmin33cm (8640MHz) synthesised beam Minor Axisarcsecphys.angSize.sminAxisfloatPA3[-90,90] 3cm synthesised beam Position Angledegpos.posAng;instr.beamfloatrms33cm Image rms of final restored map (1)mJystat.stdevfloatJ/A+A/461/11/radioRadio parameters (tables 5, 7 and 8 of the paper)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintfigmeta.bib.figcharRMSRMS (MSX) name (GLLL.llll+BB.bbbb)meta.id;meta.maincharm_RMSMultiplicity flagmeta.code.multipcharOffsetSource offset from observed centrearcsecpos;arith.difffloatMorphMorphology (1)src.morph.paramcharwlObservation wavelength (3.6 or 6.0cm)cminstr.filter;em.wl.centralfloatRAJ2000Right Ascension J2000pos.eq.ra;meta.mainDEJ2000Declination J2000pos.eq.dec;meta.mainSpPeak flux density (mJy/beam, 8.6 or 4.8GHz)mJyphot.flux.density;em.radiofloatSintIntegrated flux densitymJyphot.flux.density;em.radiofloatDmaxSource maximal diameterarcsecphys.angSizefloatDminSource minimal diameterarcsecphys.angSize.sminAxisfloatFileNameName of associated file (2)meta.id;meta.filecharAssocDataAssociated Data web pagemeta.ref.urlcharMSXDisplay the data from MSX (Cat. V/114)meta.ref.urlcharImageshow the image of this sourcemeta.ref.urlcharFieldDetails of fieldmeta.ref.urlcharFITSDownload the FITS file containing this radio mapmeta.ref.urlchar