CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .


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

  HST & Chandra obs. of elliptical galaxies (Lehmer+, 2020)
Post annotation
1.J/ApJS/248/31/table5Chandra Advanced CCD Imaging Spectrometer (ACIS) observation log (133 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)
  NGC   [1023/7457] Galaxy NGC number (;meta.main)
  ObsID  (n) [321/21035] ObsID (Note 1)   (meta.note)
  f_ObsID (char) Flag on observation (Note 2)   (meta.code)
  RAJ2000 deg (i) [40.05/345.25] Aim point, Right Ascension, decimal degrees (J2000) (Note 3)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-35.7/65.2] Aim point, Declination, decimal degrees (J2000) (Note 3)   (pos.eq.dec;meta.main)
  Date s (n)UT Observation Start Time, ISO 8601 format (time.start;obs)
  Exp ks [5/1127] Exposure time (Note 4)   (time.duration;obs.exposure)
  NFl  (n) [1/3] Number of flaring intervals (Note 5)   (meta.number)
  Dur ks (n) [0.5/3] Combine duration of the flaring intervals (Note 5)   (time.interval)
  dRA arcsec (n) [-0.8/0.5] Offset, in Right Ascension (pos.eq.ra;arith.diff)
  dDE arcsec (n) [-0.6/0.7] Offset, in Declination (pos.eq.dec;arith.diff)
  Mode (char) Observing mode, F=Faint mode; 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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Rules of usage of VizieR data

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