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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/A+A/344/521
  LMC variable X-ray sources (Haberl+, 1999)
ReadMe+ftp
1999A&A...344..521H
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/344/521/table1Variable sources in the LMC region. I. (28 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)
  [HP99]  (i) Catalogue entry (meta.id;meta.main)
  RA2000 "h:m:s" (i) Right ascension (2000.0) (pos.eq.ra;meta.main)
  DE2000 "d:m:s" (i) Declination (2000.0) (pos.eq.dec;meta.main)
  Note (char) [a] Note on coordinates and r90 (Note 1)   (meta.note)
  r90 arcsec 90% statistical position uncertainty, the systematic error is ∼7" (stat.error)
  E  Energy band of detection (Note 2)   (instr.bandpass)
  CountRate ct/s Count rate in broad band E (phot.count;em.X-ray)
  e_CountRate ct/s rms uncertainty on CountRate (stat.error)
  HR1  Hardness ratios HR1=(hard-soft)/(hard+soft) (phot.flux;arith.ratio)
  e_HR1  (n) rms uncertainty on HR1 (stat.error)
  n_HR1 (char) [b] Note on HR1 (Note 3)   (meta.note)
  HR2  (n) Hardness ratio HR2=(hard2-hard1)/(hard2+hard1) (phot.flux;arith.ratio)
  e_HR2  (n) rms uncertainty on HR2 (stat.error)
  Off arcmin Off-axis angle (instr.offset)
  Obs (char) ROSAT Observation identifier (meta.id;obs)
  SRate ct/s Survey count rate from Pietsch et al. (1999, in prep.) (phot.count;em.X-ray)
  e_SRate ct/s (n) rms uncertainty on SRate (Note 4)   (stat.error)

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