VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

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J/ApJ/554/202
  ROSAT X-ray observations of M81 (Immler+, 2001)
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img(gal)
1.J/ApJ/554/202/table3(c)ROSAT HRI M81 source list (46 rows)
2.J/ApJ/554/202/table4(c)ROSAT PSPC M81 source list (69 rows)
3.J/ApJ/554/202/table5ROSAT M81 source identifications (30 rows)
4.J/ApJ/554/202/table6(c)Position Coincidence between X-Ray sources and SNR candidates (3 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (1+3+4)HNN (char) (i) Source name (where H denotes HRI) (Note G1)   (meta.id;meta.main)
  (1+2+4)RAJ2000 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1+2+4)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)R90% arcsec The 90% confidence error radius of the source position (Note 1)   (stat.error)
  (1)CR 10-4.ct/sNet count rate (Note 2)   (phot.count;em.X-ray)
  (1)e_CR 10-4.ct/sUncertainty in CR (Note 2)   (stat.error)
  (1+2)Com (char) Comment regarding source variability (meta.note)
   (2+3+4)PNN (char) (i) Source name (where `P' denotes PSPC) (Note G1)   (meta.id;meta.main)
  (2)CR ct/ks Net count rate in the 0.5-2keV band (phot.count;em.X-ray)
  (2)e_CR ct/ks Uncertainty in CR (stat.error)

ALL cols
    
 (i)indexed column
  (2)HR1  First hardness ratio (Note 1)   (phot.flux;arith.ratio)
  (2)e_HR1  Uncertainty in HR1 (stat.error)
  (2)HR2  Second hardness ratio (Note 2)   (phot.flux;arith.ratio)
  (2)e_HR2  Uncertainty in HR2 (stat.error)
  (3+4)Offset arcsec Offset from the X-ray position (pos.angDistance)
  (3)Rmag mag (n) R magnitude (phot.mag;em.opt.R)
  (3)Bmag mag (n) B magnitude (phot.mag;em.opt.B)
  (3)l_B-R (char) Limit flag on B-R (meta.code.error)
  (3)B-R mag (n) B-R colour index (phot.color;em.opt.B;em.opt.R)
  (3)Id (char) Identification (Note 1)   (meta.id)
  (4)[MF97] (char) SNR designation (MF NN = [MF97] M 81 NN in Simbad) (meta.id)
  (4)LHa W Hα luminosity (phys.luminosity)
  (4)[SII]/Ha  Ratio of [SII] to Hα (spect.line.intensity;arith.ratio)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Size pc Size (phys.size.diameter)
  (4)Opt (char) Optical shape (src.class)
  (4)LX W X-ray luminosity (phys.luminosity;em.X-ray)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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