VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/554/202
  ROSAT X-ray observations of M81 (Immler+, 2001)
ReadMe+ftp
2001ApJ...554..202I
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/554/202/table6Position Coincidence between X-Ray sources and SNR candidates (3 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  [MF97] (char) SNR designation (MF NN = [MF97] M 81 NN in Simbad) (meta.id)
  RAJ2000 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  Offset arcsec Offset between X-ray and optical positions (pos.angDistance)
  LHa W Hα luminosity (phys.luminosity)
  [SII]/Ha  Ratio of [SII] to Hα (spect.line.intensity;arith.ratio)
  Size pc Size (phys.size.diameter)
  Opt (char) Optical shape (src.class)
  HNN (char) HRI ROSAT source name (Note G1)   (meta.id;meta.main)
  PNN (char) PSPC ROSAT source name (Note G1)   (meta.id.part;meta.main)
  LX W X-ray luminosity (phys.luminosity;em.X-ray)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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