VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/701/811
  Chandra observations of INTEGRAL sources (Tomsick+, 2009)
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1.J/ApJ/701/811/table1(c)Chandra observations (22 rows)
2.J/ApJ/701/811/table2(c)Chandra candidate counterparts to IGR sources (408 rows)
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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)
   (ALL)IGR (char) (i) IGR name (JHHMMm+DDMM) (meta.id;meta.main)
  (1)ObsID  Chandra observation number (meta.number)
  (1)GLON deg Galactic longitude in degrees (pos.galactic.lon)
  (1)GLAT deg Galactic latitude in degrees (pos.galactic.lat)
  (1)ObsDate "Y:M:D" (n)Date of observation (time.epoch)
  (1)ObsTime h Start time of observation (time.start;obs)
  (1)ExpT s Exposure time (time.duration;obs.exposure)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref)
  (1)_RA.icrs deg (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  (1)_DE.icrs deg (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  (2)CXOU (char) Chandra source name (JHHMMSS.s+DDMMSS) (meta.id.cross)
  (2)theta arcmin Angular distance from γ-ray source (Note 1)   (pos.angDistance)
  (2)RAJ2000 "h:m:s" (i) X-ray hour of Right Ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  (2)DEJ2000 "d:m:s" (i) X-ray degree of Declination (J2000) (Note 2)   (pos.eq.dec;meta.main)
  (2)Cts ct Chandra/ACIS observed counts in the 20-40keV (phot.count;em.X-ray)
  (2)HR  (n) Hardness ratio (Note 3)   (phot.flux;arith.ratio)
  (2)e_HR  (n) Uncertainty in HR (stat.error)

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