J/PASJ/55/161ivo://CDS.VizieR/J/PASJ/55/161doi:10.26093/cds/vizier/bj-1q-51CDSYokogawa J.Imanishi K.Tsujimoto M.Koyama K.Nishiuchi M.2026-03-17T20:04:14Z2005-04-22T14:43:59ZCDS support team

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

cds-question@unistra.frmagellanic-cloudsx-ray-sourcesWe made 22 observations on the Small Magellanic Cloud (SMC) and covered full regions of the main body and the eastern wing by the end of the ASCA mission. We detected 106 discrete sources with a criterion of S/N>5 and performed systematic analyses on all of the sources. We determined the source positions with an ~40" error radius (90% confidence) for sources detected in the central 20' radius of the GIS. We detected coherent pulsations from 17 sources. Among them, eight were newly discovered during this study. We classified most of these pulsars as X-ray binary pulsars (XBPs) based on their properties, such as the flux variability and the existence of an optical counterpart. We detected X-ray emission from eight supernova remnants (SNRs). Based on these ASCA results and further information from ROSAT, SAX, RXTE, CGRO, Chandra, and XMM-Newton, we compiled comprehensive catalogues of discrete X-ray sources in the Small Magellanic Cloud.2003PASJ...55..161Yhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/PASJ/55/161CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+AS/142/41 : SMC X-ray sources ROSAT PSPC catalogue (Haberl+, 2000)J/A+AS/147/75 : ROSAT HRI catalogue of SMC X-ray sources (Sasaki+, 2000)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/PASJ/55/161https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/PASJ/55/161http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/PASJ/55/161https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/PASJ/55/161https://vizier.iucaa.in/viz-bin/votable?-source=J/PASJ/55/161http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/PASJ/55/161GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/PASJ/55/161/table1 (ASCA observations of the SMC region)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/PASJ/55/161/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/PASJ/55/161/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/PASJ/55/161/table1?GETtext/xml+votable180.050000true19.26667-73.442780.005555555555555556Cone search capability for table J/PASJ/55/161/table5 (ASCA catalogue of discrete X-ray sources in the SMC region)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/PASJ/55/161/table5?https://vizier.iucaa.in/viz-bin/conesearch/J/PASJ/55/161/table5?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/PASJ/55/161/table5?GETtext/xml+votable180.050000true8.434583-73.3613890.005555555555555556ASCA6/33293-33295 33297-33299 33304-33306 33316-33318 33328 33330https://cdsarc.cds.unistra.fr/viz-bin/moc/J/PASJ/55/161?format=asciiX-raydefaultJ/PASJ/55/161/table1ASCA observations of the SMC regionrecnoRecord number assigned by the VizieR team. Should Not be used for identification.intObsID[A-V] Observation IDcharprimarySObsStart of observation date (UT)snullableEObsEnd of observation date (UT)snullableTargetTarget namecharRAJ2000Pointed direction right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Pointed direction declination (J2000)pos.eq.dec;meta.mainExpGISExposure time with GISksintn_ExpGIS[cd] Note on ExpGIS (1)charExpSIS? Exposure time with SISksintnullablen_ExpSIS[b] Note on ExpSIS (2)charJ/PASJ/55/161/table5ASCA catalogue of discrete X-ray sources in the SMC regionrecnoRecord number assigned by the VizieR team. Should Not be used for identification.int[YIT2003]Sequential number of ASCA sourceintprimaryn_[YIT2003][+*] Note on [YIT2003] (1)charRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainObsIDObservation ID (table1.dat) in which the source was detected (2)charObsID2Observation ID (table1.dat) in which the source was detected (2)charObsID3Observation ID (table1.dat) in which the source was detected (2)charObsID1NotObservation ID (table1.dat) in which the source was not detectedcharObsID2NotObservation ID (table1.dat) in which the source was not detectedcharn_ObsID[j] Note on ObsID (3)charS/NLarget value of signal-to-noise ratio (4)floatPSPC? PSPC number of ROSAT counterpart (5)intnullableSep1? Separation between ASCA and PSPS sourcearcsecintnullablen_Sep1[k] Note on Sep1 (6)charHRI? HRI number of ROSAT HRI counterpart (7)intnullableSep2? Separation between ASCA and HRI sourcearcsecintnullableIPC? IPC number of EINSTEIN IPC counterpart (8)intnullableSep3? Separation between ASCA and IPC sourcearcsecintnullableClassClassification (9)charNamesOther names (10)charComComments (11)charJ/PASJ/55/161/table6Spectral parameters of the ASCA sourcesHR? Hardness ratiofloatnullablen_LXobs[g] Note on FX (2)charrecnoRecord number assigned by the VizieR team. Should Not be used for identification.int[YIT2003]Sequential numberinte_HR? rms uncertainty on HRfloatnullableObsID[A-V] Observation ID, see table1.dat (Flux and luminosity are given for each ID)charGamma? Photon indexfloatnullablen_Gamma[f] Note (2)charl_GammalLimit flag on GammacharGammal? Lower value of 90% confidence limits of GammafloatnullableGammau? Upper value of 90% confidence limits of GammafloatnullablekT? Temperature kT (1)keVfloatnullablekTl? Lower value of 90% confidence limits of kTkeVfloatnullablekTu? Upper value of 90% confidence limits of kTkeVfloatnullableNH? Absorption column density1e+21cm**-2floatnullablel_NHlLimit flag on NHlcharNHl? Lower value of 90% confidence limits of NH1e+21cm**-2floatnullableNHu? Upper value of 90% confidence limits of NH1e+21cm**-2floatnullableFX? X-ray flux in 0.7-10keV band1e-15W.m**-2floatnullablen_FX[g] Note on FX (2)charLXobs? Observed luminosity in 0.7-10keV band1e+29WfloatnullableLXcor? Absorption-corrected luminosity in 0.7-10keV band1e+29Wfloatnullablen_LXcor[ge] Note on FX (2)charNoteNotecharJ/PASJ/55/161/table8Non-pulsating HMXBs and likely candidates in the SMCrecnoRecord number assigned by the VizieR team. Should Not be used for identification.int[YIT2003]? Sequential numberintnullable[HS2000]? HRI (Harbel & Sasaki, 2000A&A...359..573H) numberintnullableNameOther namecharIKT? IKT (Inoue et al., 1983IAUS..101..535I) numberintnullablen_Name[e] Note on name (1)charSpTypeOptical identification (2)charn_SpType[fg] Note on SpType (3)charr_SpTypeReference for spectral type (6)intVar[Yes ?] Variable? (4)charr_Var? Reference for variability (6)intnullableGradeGrade (5)charRefReferences, separated by comma (6)char