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/120/1426
  Chandra sources in ONC & BN-KL (Garmire++, 2000)
ReadMe+ftp
2000AJ....120.1426G
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/120/1426/table2ACIS sources near the Becklin-Neugebauer (BN) object (27 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)
  BN  Sequential number of ACIS source in BN (Note 1)   (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) ACIS source right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) ACIS source declination (J2000.0) (pos.eq.dec;meta.main)
  Counts ct/ks ACIS source counts extracted from a 15 circle in the 0.28 keV band with ASCA grades after correction for charge-transfer inefficiency. A background of 2 counts per source has been subtracted. (phot.count;em.X-ray)
  logNH [cm-2] (n) ACIS source hydrogen column density (phys.columnDensity)
  u_logNH (char) rms uncertainty on logNH (meta.code.error)
  theta arcsec (n) Offset between the ACIS source and its counterpart (Note 2)   (pos.angDistance)
  Class (char) Counterpart class (Note 3)   (src.class)
  IDo (char) Optical counterpart designation (Note 4)   (meta.id.cross)
  Imag mag (n) Optical counterpart I magnitude (phot.mag;em.opt.I)
  IDi (char) Infrared counterpart designation (Note 4)   (meta.id.cross)
  Kmag mag (n) Infrared counterpart K magnitude (phot.mag;em.IR.K)
  Note (char) Individual note in notes.dat file (meta.note)

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