VizieR

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

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/ApJS/144/213
  Chandra X-ray observations of M81 (Swartz+, 2003)
ReadMe+ftp
2003ApJS..144..213S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/144/213/table2M81 Discrete X-Ray Sources (177 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)
  [SGM2003]  (i) The X-ray source number (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  CRate 10-4ct/s Aperture-corrected number of source counts (phot.count;em.X-ray)
  e_CRate 10-4ct/s Uncertainty in CRate (stat.error)
  S/R  Signal-to-Noise ratio for CRate (stat.snr)
  l_Vmag (char) Limit flag on Vmag (meta.code.error)
  Vmag mag (n) The visual magnitude (Note 1)   (phot.mag;em.opt.V)
  f_Vmag (char) [HI] Flag on Vmag (Note 2)   (meta.code.error)
  CCD (char) CHANDRA ACIS CCD device identification (meta.id;instr)
  Region (char) Global environment code (Note 3)   (meta.note)
  XLum 10+30W X-ray luminosity (Note 4)   (phys.luminosity;em.X-ray)
  e_XLum 10+30W Uncertainty in XLum (stat.error)
  Com (char) Additional comments (Note 5)   (meta.note)

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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