VizieR

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

Catalog

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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

  
B/chandra
  The Chandra Archive Log (CXC, 1999-2014)
ReadMe+ftp
2002yCat....102007C
Similar Catalogs
image/fits
Post annotation 		img(gal)
1.B/chandra/chandraThe Chandra Log (2026-01-11)[image/fits] (28031 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. ((unassigned);meta.version;arith.diff;phys.veloc)
  SeqNum  Sequence Number (Note 1)   ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  ObsID  Observation ID (Note 2)   ((unassigned);meta.version;arith.diff;spect.line.veloc;stat.median)
  High (char) Get the high resolution image or spectrum of this observation ((unassigned);(unassigned);(unassigned);pos.geocentric)
image/fits
  Low (char) Get the lower resolution image or spectrum of this observation ((unassigned);meta.version;arith.diff;pos.geocentric)
image/fits
  Instr (char) Instrument (Note 3)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;meta.code.qual)
  Mode (char) Observing mode for ACIS instrument (Note 4)   ((unassigned);meta.version;arith.diff;phys.electron.degen)
  Grat (char) Grating (Note 5)   (instr.fov;stat.error.sys;arith.factor;phys.electron.degen)
  AppExp ks Approved exposure time (ks) (stat.weight;pos.wcs.scale;arith.grad;(unassigned);(unassigned);meta.main)
  ExpTime ks (n) Exposure time (ks) ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  Target (char) Target Name as specified in proposal ((unassigned);(unassigned);(unassigned);spect.line.veloc)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  PIname (char) Name of Principal Investigator ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  RAJ2000 deg (n)(i) RA in J2000 decimal degrees ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  DEJ2000 deg (n)(i) Dec in J2000 decimal degrees ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  Status (char) Status of the observation (Note 6)   ((unassigned);(unassigned);(unassigned);pos.eq.dec;stat.median)
  ObsDate s (n)(i) Start Observation date ((unassigned);(unassigned);(unassigned);(unassigned);stat.param)
  PubDate s (n) Public release date "YYYY.MM.DD" ((unassigned);(unassigned);(unassigned);spect.line.strength;meta.main)
  Type (char) Type of observation (Note 7)   ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  PrNum  (n) Proposal Number ((unassigned);(unassigned);(unassigned);phys.size.diameter)
  Category (char) Category of the observed target (Note 8)   ((unassigned);(unassigned);(unassigned);phys.atmol.sweight;meta.main)
  AO  Announcement of opportunity (proposal round) ((unassigned);(unassigned);(unassigned);pos.eq.dec)

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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