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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/ApJS/243/3
  Chandra observations of SINGS galaxies (Lehmer+, 2019)
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img(gal)
1.J/ApJS/243/3/table2Chandra Advanced CCD Imaging Spectrometer (ACIS) observation log (200 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)
  Gal (char) Name of the host galaxy (meta.id)
  NGC  NGC number of the host galaxy as in Table 7; column added by CDS (meta.id;meta.main)
  ObsID  (n) [354/21676] Chandra Observation ID; null for merged IDs (meta.id;obs)
  f_ObsID (char) [de] Flag on ObsID (Note 1)   (meta.code)
  RAJ2000 deg (i) Right Ascension, Aim Point (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination, Aim Point (J2000) (pos.eq.dec;meta.main)
  ObsDate s (n)UT Observation Date time (time.epoch;obs)
  Exp ks [2/892] Total exposure time (Note 2)   (time.duration;obs.exposure)
  Nfl  (n) [1/2] Number of flaring intervals, rejected (meta.number)
  Tfl ks (n) [0.5/2] Combined flare duration, rejected (time.interval)
  dRA arcsec (n) [-0.7/0.8] Offset in Right Ascension (pos.eq.ra;arith.diff)
  dDE arcsec (n) [-1.3/0.6] Offset in Declination (pos.eq.dec;arith.diff)
  Mode (char) [FV] Observation Mode (F=faint mode; or V=very faint mode) (meta.code)

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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