VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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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/table3(c)X-ray source catalogue (94 rows)
2.J/A+A/371/833/table4(c)Photometric and spectroscopic properties of optical counterparts (94 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Link (char) Show X-ray properties, and optical counterpart (meta.ref)
  (1)RXJ (char) Source name (meta.id;meta.main)
  (1)Seq  Internal source number (meta.id)
  (1)n_Seq (char) [(H P12)] Sample (Note 1)   (meta.note)
   (ALL)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)e_Pos arcsec 1-Sigma error of the source position (stat.error)
  (1)n_Pos (char) [HPR] Source position origin (Note 2)   (meta.note)
  (1)offHRI arcmin Distance of the source from the center of the HRI field (instr.offset)
  (1)offPSPC arcmin Distance of the source from the center of the PSPC field (instr.offset)

ALL cols		    
 (i)indexed column
  (1)FHRI 10-17W/m2(n) HRI flux in the 0.5-2.0keV band (phot.flux;em.X-ray)
  (1)e_FHRI 10-17W/m2(n) HRI flux error (stat.error)
  (1)FPSPC 10-17W/m2(n) PSPC flux in the 0.5-2.0keV band (phot.flux;em.X-ray)
  (1)e_FPSPC 10-17W/m2(n) PSPC flux error (stat.error)
  (1)HR1  (n) HR1 hardness ratio (Note 3)   (phot.flux;arith.ratio)
  (1)e_HR1  (n) Error of HR1 (stat.error)
  (2)Name (char) Name of optical counterpart (meta.id;meta.main)
  (2)Rmag mag R magnitude (phot.mag;em.opt.R)
  (2)DeltaPos arcsec Distance to the X-ray source position (pos.angDistance)
  (2)n_DeltaPos (char) [HPR] Source position origin (Note 1)   (meta.note)
  (2)SX 10-17W/m2HRI or PSPC flux in the 0.5-2.0keV energy band (phot.flux;em.X-ray)
  (2)log(FX/Fo)  Logarithm of the X-ray to optical flux ratio (phot.flux;arith.ratio)
  (2)G (char) [sg] Optical morphological parameter (Note 2)   (src.class.starGalaxy)
  (2)z  (n) Redshift (Note 3)   (src.redshift)
  (2)VMAG mag (n) Absolute V magnitude (phys.magAbs;em.opt)
  (2)logLX [10-7W] (n) Logarithm of the 0.5-2.0keV X-ray luminosity (phys.luminosity;em.X-ray)
  (2)R-K' mag (n) R-K' colour index (phot.color;em.opt.R;em.IR.K)
  (2)Class (char) Optical classification (Note 4)   (src.class)
  (2)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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