VizieR

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

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/A+A/371/833
  ROSAT Ultra Deep Survey (Lehmann+, 2001)
ReadMe+ftp
2001A&A...371..833L
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/371/833/table4Photometric and spectroscopic properties of optical counterparts (94 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)
  Link  Show X-ray properties, and optical counterpart (meta.ref)
  Name (char) Name of optical counterpart (meta.id;meta.main)
  Rmag mag R magnitude (phot.mag;em.opt.R)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  DeltaPos arcsec Distance to the X-ray source position (pos.angDistance)
  n_DeltaPos (char) [HPR] Source position origin (Note 1)   (meta.note)
  SX 10-17W/m2HRI or PSPC flux in the 0.5-2.0keV energy band (phot.flux;em.X-ray)
  log(FX/Fo)  Logarithm of the X-ray to optical flux ratio (phot.flux;arith.ratio)
  G (char) [sg] Optical morphological parameter (Note 2)   (src.class.starGalaxy)
  z  (n) Redshift (Note 3)   (src.redshift)
  VMAG mag (n) Absolute V magnitude (phys.magAbs;em.opt)
  logLX [10-7W] (n) Logarithm of the 0.5-2.0keV X-ray luminosity (phys.luminosity;em.X-ray)
  R-K' mag (n) R-K' colour index (phot.color;em.opt.R;em.IR.K)
  Class (char) Optical classification (Note 4)   (src.class)
  IDclass (char) Classification scheme (Note 5)   (meta.code.class)

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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