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Catalog Selection Page

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

Target dimension:

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 M31 supersoft and quasi-soft X-ray sources (Di Stefano+, 2004)
Post annotation
1.J/ApJ/610/247/table1VSS source list (43 rows)

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)
  [KGP2002] (char) Object identification (Note 1)   (;meta.main)
  RAJ2000 "h:m:s" Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Degree of Declination (J2000) (pos.eq.dec;meta.main)
  SCts ct Soft counts (Note 2)   (phot.count;em.X-ray)
  SS/N  Soft signal to noise ratio (stat.snr)
  MCts ct Medium counts (Note 2)   (phot.count;em.X-ray)
  MS/N  Medium signal to noise ratio (stat.snr)
  HCts ct Hard counts (Note 2)   (phot.count;em.X-ray)
  HS/N  Hard signal to noise ratio (stat.snr)
  HR1  Hardness ratio 1 (Note 3)   (phot.flux;arith.ratio)
  HR2  Hardness ratio 2 (Note 3)   (phot.flux;arith.ratio)
  CRate ct/ks Count rate in units of 10–3ct/s (phot.count;em.X-ray)
  Cat (char) Category (Note 4)   (meta.code)
  l_Dist (char) [~] Limit Flag on Dist (meta.code.error)
  Dist (char) arcsec Angular distance to the nearest X-ray source (pos.angDistance)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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