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/449/425
  Optical identification of ROSAT-FSC sources (Mickaelian+, 2006)
ReadMe+ftp
2006A&A...449..425M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/449/425/table1A catalog of Hamburg/ROSAT-FSC identifications for {delta}>0, |b|>30 and X-ray counts>0.04ct/s: 3202 objects for 2696 ROSAT sources. (3202 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. ((unassigned))
  1RXS (char) ROSAT name (Cat. IX/29) ((unassigned);(unassigned))
  m_1RXS (char) [a-e] Optical counterpart component ((unassigned))
  ePos arcsec ROSAT positional error ((unassigned))
  CR ct/s ROSAT count rate ((unassigned);(unassigned))
  e_CR ct/s (n) ROSAT count rate error ((unassigned))
  HR1  (n) ROSAT hardness ratio 1 (0.1-0.4,0.5/2.0keV) ((unassigned);(unassigned))
  e_HR1  (n) ROSAT hardness ratio 1 error ((unassigned))
  HR2  (n) ROSAT hardness ratio 2 (0.5-0.9,0.9-2.0 keV) ((unassigned);(unassigned))
  e_HR2  (n) ROSAT hardness ratio 2 error ((unassigned))
  RAJ2000 "h:m:s" DSS2 right ascension (J2000) ((unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  DEJ2000 "d:m:s" DSS2 declination (J2000) ((unassigned);(unassigned))
  Opt-X arcsec Distance between optical and X-ray positions ((unassigned))
  O-Xr  Relative distance optical/X-ray (Opt-X/ePos) ((unassigned);(unassigned))
  OmagM mag (n) MAPS O magnitude ((unassigned);(unassigned))
  (O-E)M mag (n) MAPS O-E colour index ((unassigned);(unassigned);(unassigned))
  pm mas/yr (n) USNO-B1.0 total proper motion ((unassigned))
  Omag mag (n) USNO-B1.0 O magnitude (mean of DSS1 blue and DSS2 blue) ((unassigned);(unassigned))
  Emag mag (n) USNO-B1.0 E magnitude (mean of DSS1 red and DSS2 red) ((unassigned);(unassigned))
  O-E mag (n) USNO-B1.0 O-E colour (mean of DSS1 O-E and DSS2 O-E) ((unassigned);(unassigned);(unassigned))
  Imag mag (n) USNO-B1.0 I magnitude (DSS2 IR) ((unassigned);(unassigned))
  Dmag mag (n) USNO-B1.0 magnitude difference between DSS2 and DSS1 (mean of blue and red) ((unassigned);(unassigned))
  Class (char) Classification of the objects (Note 1)   ((unassigned))
  Com (char) Comments on the objects (Note 2)   ((unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  OptType (char) Associations with known optical objects: types (Note 3)   ((unassigned))
  ONames (char) Optical associations: names of the objects ((unassigned))
  OdistO arcsec (n) Optical associations: distance between the catalog and DSS2 red (our) positions ((unassigned))
  OdistX arcsec (n) Optical associations: distance between the catalog and ROSAT positions ((unassigned))
  Type (char) Optical associations: classification ((unassigned))
  mag mag (n) Optical associations: catalog magnitudes (typically B magnitude) ((unassigned);(unassigned))
  n_mag (char) [gR] Band in not B magnitude ((unassigned))
  z  (n) Optical associations: redshift ((unassigned))
  Aband (char) Non-optical associations: wavelength domain (radio, IR, X-ray) ((unassigned))
  ANames (char) Non-optical associations: names of sources ((unassigned))
  AdistO arcsec (n) Non-optical associations: distance between the source and DSS2 red (our) positions ((unassigned))
  AdistX arcsec (n) Non-optical associations: distance between the source and ROSAT positions ((unassigned))
  USNO-B  Display the details from the USNO-B1.0 catalog (I/284) ((unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR2576396.err (2026-08-13T01:57:12)
-3
-source=J/A+A/449/425
-ref=VIZ6a7d247827500c
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