J/A+A/451/835ivo://CDS.VizieR/J/A+A/451/835doi:10.26093/cds/vizier.34510835CDSHatzidimitriou D.Pietsch W.Misanovic Z.Reig P.Haberl F.2006-07-15T13:31:05Z2006-07-15T13:28:10ZCDS support team

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

cds-question@unistra.frgalaxiesx-ray-sourcesastronomical-object-identificationWe have obtained optical spectra for the 14 brightest optical counterparts of X-ray sources identified by XMM-Newton in the direction of M 31 and for 21 optical counterparts in the direction of M 33, using the 1.3m Skinakas telescope in Crete, Greece.2006A&A...451..835Hhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/451/835CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/xmm : XMM-Newton Observation Log (XMM-Newton SOC, 2002)J/A+A/426/11 : XMM-Newton survey of M33 (Pietsch+, 2004)J/A+A/373/438 : The X-ray view of M33 after ROSAT (Haberl+ 2001)J/A+A/434/483 : An XMM-Newton survey of M 31 (Pietsch+, 2005)J/A+A/373/63 : M31 second ROSAT PSPC survey (Supper+, 2001)J/ApJ/577/738 : M31 Chandra X-ray point sources (Kong+, 2002)J/ApJ/578/114 : Chandra HRC source in M31 (Kaaret, 2002)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/451/835https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/451/835http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/451/835https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/451/835https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/451/835http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/451/835GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/451/835/table1 (Log of objects observed in the direction of M 31 and M 33 and derived spectral types)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/451/835/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/451/835/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/451/835/table1?GETtext/xml+votable180.050000true9.931416740.66169440.0055555555555555566/2154-2155 2240-2241 2623 2666 2708-2709 27521.5062136169708525e-19 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/451/835?format=asciiX-raydefaultJ/A+A/451/835/table1Log of objects observed in the direction of M 31 and M 33 and derived spectral typesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGalGalaxy (M 31 or M 33)src.class.starGalaxycharSeqSequential number (G1)meta.recordintm_Seq[b] Multiplicity index on Seq (1)meta.code.multipcharn_Seq[a-g] Individual note (in notes.dat)meta.notecharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainBmag? USNO B magnitude (B2 in USNOB-1) (2)magphot.mag;em.opt.BfloatnullableRmag? USNO R magnitude (R2 in USNOB-1) (2)magphot.mag;em.opt.RfloatnullableJmag? 2MASS J magnitudemagphot.mag;em.IR.JfloatnullableDateDate of the Skinakas observationtime.epochnullableExpTime? Total exposition timestimeintnullableNobs? Number of exposuremeta.numberintnullableSpTypeMK spectral type of optical counterpartmeta.id.assoc;src.spTypecharUSNO-B1USNO-B1 <I/284> identificationmeta.id;meta.mainchar2MASS2MASS <II/246> identificationmeta.idcharJ/A+A/451/835/table2X-ray properties of the objects of Table 1recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGalGalaxy (M 31 or M 33)src.class.starGalaxycharSeqSequential number (G1)meta.recordintn_Seq[h-j] Note on Seq (in notes.dat)meta.notecharFXX-ray flux in 0.2-4.5keV bandmW.m**-2phot.flux;em.X-raydoublee_FXrms uncertainty on FXmW.m**-2stat.errordoublelogFX/Fopt? logarithm of the ratio of the X-ray flux to the optical fluxphot.flux;arith.ratiofloatnullablee_logFX/Fopt? rms uncertainty on logFX/Foptstat.errorfloatnullableHR1Hardness ratio 1, HR1=(R2-R1)/(R2+R1) (1)phot.flux;arith.ratiofloate_HR1rms uncertainty on HR1stat.errorfloatHR2Hardness ratio 2, HR2=(R3-R2)/(R3+R2) (1)phot.flux;arith.ratiofloate_HR2rms uncertainty on HR2stat.errorfloatJ/A+A/451/835/notesIndividual notesNoteNote codemeta.notecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTextText of the notemeta.notechar