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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

  Chandra obs. of IRDCs G034.43+00.24 and G035.39-00.33 (Yu+, 2020)
Post annotation
1.J/ApJ/905/78/table1Log of Chandra observations of IRDCs G034.43+0.2 (G34.4) and G035.39-0.33 (G35.4) (7 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)
  Name (char) IRDC target (;meta.main)
  Target (char) Other name of the IRDC target (
  ObsID   [14541/20103] Chandra observation identifier (;obs.param;obs)
  Obs s (n)Observation date, start (UT) (time.start;obs)
  Exp s [17115/56074] Exposure time (time.duration;obs.exposure)
  RAJ2000 deg (i) [283.32/284.3] Right ascension aim point (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [1.4/2.13] Declination aim point (J2000) (pos.eq.dec;meta.main)
  Roll deg [146.9/239.21] Roll angle (instr.offset)

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