J/MNRAS/495/479ivo://CDS.VizieR/J/MNRAS/495/479doi:10.26093/cds/vizier.74950479CDSRussell T.D.White R.L.Long K.S.Blair W.P.Soria R.Winkler P.F.2024-08-21T20:14:59Z2023-09-04T09:18:42ZCDS support team

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

cds-question@unistra.frradio-sourcessupernova-remnantsh-ii-regionsx-ray-sourcesastrometryastronomical-object-identificationWe present a new catalogue of radio sources in the face-on spiral galaxy M83. Radio observations taken in 2011, 2015, and 2017 with the Australia Telescope Compact Array at 5.5 and 9GHz have detected 270 radio sources. Although a small number of these sources are background extragalactic sources, most are either HII regions or supernova remnants (SNRs) within M83 itself. Three of the six historical supernovae are detected, as is the very young remnant that had been identified in a recent study, which is likely the result of a supernova that exploded in the last ~100yr but was missed. All of these objects are generally fading with time. Confusion limits our ability to measure the radio emission from a number of the SNRs in M83, but 64 were detected in unconfused regions, and these have the approximate power-law luminosity function that has been observed in other galaxies. The SNRs in M83 are systematically smaller in diameter and brighter than those that have been detected at radio wavelengths in M33. A number of the radio sources are coincident with X-ray sources in M83; most of these coincident sources turn out to be SNRs. Our dual frequency observations are among the most sensitive to date for a spiral galaxy outside the Local Group; despite this we were not able to place realistic constraints on the spectral indices, and as a result, it was not possible to search for SNRs based on their radio properties alone.2020MNRAS.495..479Rhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/495/479CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJS/212/21 : A deep Chandra ACIS survey of M83 (Long+, 2014)J/ApJS/203/8 : Optical SNR candidates in M83 (Blair+, 2012)J/ApJ/788/55 : HST/WFC3 SNR discoveries in M83 (NGC5236) (Blair+, 2014)J/ApJ/881/54 : Masses of SNR progenitors in M83 (Williams+, 2019)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/495/479https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/495/479http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/495/479https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/495/479https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/495/479http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/495/479GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/495/479/table2 (Catalogue of M83 radio sources)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/495/479/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/495/479/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/495/479/table2?GETtext/xml+votable180.050000true204.111625-29.88569440.005555555555555556Cone search capability for table J/MNRAS/495/479/table5 (Forced photometry of M83 SNR candidates)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/495/479/table5?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/495/479/table5?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/495/479/table5?GETtext/xml+votable180.050000true204.2454167-29.87397220.005555555555555556Cone search capability for table J/MNRAS/495/479/table6 (Forced photometry of M83 X-ray sources)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/495/479/table6?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/495/479/table6?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/495/479/table6?GETtext/xml+votable180.050000true204.1115417-29.92669440.0055555555555555566/438813.644338263669406e-24 6.0959838783011216e-24https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/495/479?format=asciiX-rayRadiodefaultJ/MNRAS/495/479/table2Catalogue of M83 radio sourcesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameRadio source name (R20-NNN) (1)meta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainWrnFlag indicating sources with possible issues and also identifies likely extragalactic sources (2)meta.codecharF5.5Integrated flux at frequency 5.5GHzuJyphot.flux.density;em.radio.3-6GHzfloate_F5.5Error on F5.5uJystat.errorfloatF9? Integrated flux at frequency 9.2GHzuJyphot.flux.density;em.radio.6-12GHzfloatnullablee_F9? Error on F9uJystat.errorfloatnullableFintFlux at pivot frequency {nu}_p_uJyphot.flux.density;em.radiofloate_FintError on FintuJystat.errorfloatnupPivot frequency where the signal-to-noise ratio is maximum ({nu}_p_)GHzem.freqfloatNbandsNumber of frequency bands with data (G1)meta.numberintFWHMMaMajor axis FWHM (fitted, includes 3.2x1.4 arcsec FWHM beam)arcsecphys.angSizefloatFWHMMiMinor axis FWHM (fitted, includes 3.2x1.4 arcsec FWHM beam)arcsecphys.angSizefloatPAPosition angle of major axisdegpos.posAngfloatIsland[1/270] Island numbermeta.idintFpeakFlux density in peak pixel in island from detection imageuJy/beamphot.flux.density;em.radiofloate_FpeakError on FpeakuJy/beamstat.errorfloatHatotIntegrated H{alpha} flux (G2)mW.m**-2phot.flux;em.line.HalphadoubleHaaveH{alpha} surface brightnessmW.m**-2.arcsec**-2phot.mag.sbdoubleONameMatching source from Maddox et al. (2006AJ....132..310M) and historical SNemeta.idcharSflagFlag indicating whether the association between the radio source and the SNR is unambiguous (3)meta.codeintSNR1Name of first associated supernova remnants (4)meta.idcharSNR2Name of second associated supernova remnants (4)meta.idcharNXrayNumber of associated X-ray sources in Long et al. (2014ApJS..212...21L, Cat. J/ApJS/212/21)meta.numberintJ/MNRAS/495/479/table5Forced photometry of M83 SNR candidatesFintFlux at pivot frequency {nu}_p_uJyphot.flux.density;em.radiofloate_FintError on FintuJystat.errorfloatnupPivot frequency where the signal-to-noise ratio is maximum ({nu}_p_)GHzem.freqfloatNbandsNumber of frequency bands with data (G1)meta.numberintIsland[1/304] Island numbermeta.idintHatotIntegrated H{alpha} flux (G2)mW.m**-2phot.flux;em.line.HalphadoubleHaaveH{alpha} surface brightnessmW.m**-2.arcsec**-2phot.mag.sbdoubleRflagRadio detection flag (G3)meta.codeintRad1Name of first associated radio sourcemeta.idcharRad2Name of second associated radio sourcemeta.idcharNXrayNumber of associated X-ray sources in Long et al. (2014ApJS..212...21L, Cat. J/ApJS/212/21)meta.numberintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameSNR candidate namemeta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainrhoGalactocentric distancekpcpos.distance;pos.galactocentricfloatDiamSNR diameterpcpos.distancefloatClVisual classification (1)meta.code.classcharWrn[n] Flag indicating the source is in a confused nuclear regionmeta.codecharF5.5Integrated flux at frequency 5.5GHzuJyphot.flux.density;em.radio.3-6GHzfloate_F5.5Error on F5.5uJystat.errorfloatF9? Integrated flux at frequency 9.2GHzuJyphot.flux.density;em.radio.6-12GHzfloatnullablee_F9? Error on F9uJystat.errorfloatnullableJ/MNRAS/495/479/table6Forced photometry of M83 X-ray sourcesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameX-ray source name (XNNN)meta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainrhoGalactocentric distancekpcpos.distance;pos.galactocentricfloatClVisual classification (1)meta.code.classcharWrn[n] Flag indicating the source is in a confused nuclear regionmeta.codecharF5.5Integrated flux at frequency 5.5GHzuJyphot.flux.density;em.radio.3-6GHzfloate_F5.5Error on F5.5uJystat.errorfloatF9? Integrated flux at frequency 9.2GHzuJyphot.flux.density;em.radio.6-12GHzfloatnullablee_F9? Error on F9uJystat.errorfloatnullableFintFlux at pivot frequency {nu}_p_uJyphot.flux.density;em.radiofloate_FintError on FintuJystat.errorfloatnupPivot frequency where the signal-to-noise ratio is maximum ({nu}_p_)GHzem.freqfloatNbandsNumber of frequency bands with data (G1)meta.numberintIsland[1/451] Island numbermeta.idintHatotIntegrated H{alpha} flux (G2)mW.m**-2phot.flux;em.line.HalphadoubleHaaveH{alpha} surface brightnessmW.m**-2.arcsec**-2phot.mag.sbdoubleRflagRadio detection flag (G3)meta.codeintRad1Name of first associated radio sourcemeta.idcharRad2Name of second associated radio sourcemeta.idcharNSNRNumber of associated SNRs in Williams et al. (2019ApJ...881...54W, Cat. J/ApJ/881/54)meta.numberint