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/406/535
  Hamburg/RASS Cat. of optical ident. V3.0 (Zickgraf+, 2003)
ReadMe+ftp
2003A&A...406..535Z
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/406/535/x-rayX-ray data (5341 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)
  1RXS (char) Object name, 1RXS JHHMMSS.s+DDMMSS (meta.id)
  RASSCR ct/s RASS count rate (phot.count;em.X-ray)
  e_RASSCR ct/s Error of count rate (stat.error)
  HR1  Hardness ratio HR1 (Note 1)   (phot.flux;arith.ratio)
  e_HR1  Error of HR1 (stat.error)
  HR2  Hardness ratio HR2 (Note 1)   (phot.flux;arith.ratio)
  e_HR2  Error of HR2 (stat.error)
  Ext arcsec Source extension (phys.angSize;src)
  L_Ext  Source extension likelihood (stat.likelihood)
  RX (char) (i) RASS name, RX JHHMM.m+DDMM, as used in the first catalogue version (meta.id;meta.main)

ALL cols		    
 (i)indexed column
  RA2000 "h:m:s" (i) Right ascension (2000.0) (pos.eq.ra;meta.main)
  DE2000 "d:m:s" (i) Declination (2000.0) (pos.eq.dec;meta.main)
  errPos arcsec Error radius derived from the BSC (stat.error)
  Seq (char) Internal number of the HRC data base (meta.id)
  Code  Type of source identification code (Note 2)   (src.class)
  Flag1  (n) [0/1] 1: identification changed since last catalogue version (meta.code)
  Flag2  (n) [0/1] 1: entries to this X-ray position have changed since last catalogue version (meta.code)
  Flag3  (n) [0/1] 1: supplementary X-ray positions (meta.code)
  Date "Y:M:D" (n) Date of last change (Note 3)   (time.epoch)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
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usage  Display UCD1+    UCD1  
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