VizieR

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

VizieR

  
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/table5ROSAT M81 source identifications (30 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)
  HNN (char) HRI ROSAT name (HNN) (Note G1)   (meta.id;meta.main)
  PNN (char) PSPC ROSAT Name (PNN) (Note G1)   (meta.id;meta.main)
  Offset arcsec Offset from the X-ray position (pos.angDistance)
  Rmag mag (n) R magnitude (phot.mag;em.opt.R)
  Bmag mag (n) B magnitude (phot.mag;em.opt.B)
  l_B-R (char) Limit flag on B-R (meta.code.error)
  B-R mag (n) B-R colour index (phot.color;em.opt.B;em.opt.R)
  Id (char) Identification (Note 1)   (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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