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
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 1