VizieR

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

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

  
J/AJ/126/539
  The Chandra Deep Fields North and South (Alexander+, 2003)
ReadMe+ftp
2003AJ....126..539A
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/126/539/cdfn-jnl*Journal of Chandra Deep Field North observations (Note) (20 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. (meta.record)
  ObsID (char) Observation identification number (meta.id;obs)
  Obs "Y:M:D" Date of the beginning of observation (time.epoch)
  ExpTime ks Exposition time (Note 1)   (time.duration;obs.exposure)
  RAJ2000 "h:m:s" (i) Aim point right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Aim point declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
  Roll deg Roll angle (Note 3)   (instr.offset)
  Mode (char) Observation mode (F = Faint mode ; VF = Very Faint mode) (instr.setup)
  Pipeline (char) Version of the CXC pipeline software used for basic processing of the data (meta.software)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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