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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

Radius Box size

  
J/ApJ/514/148
  ROSAT survey of bright galaxies clusters (De Grandi+, 1999)
Post annotation
img(gal)
1.J/ApJ/514/148/table1ROSAT cluster catalog (130 rows)

 
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)
  Seq  (i) Sequence number in the catalog (meta.id;meta.main)
  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)
  NH 10+20cm-2Hydrogen Column density (units of 1020 cm–2) from Dickey & Lockman (1990ARA&A..28..215D) (meta.unit;phys.columnDensity)
  Time s Vignetting-corrected exposure time (time.duration;obs.exposure)
  CR5 ct/s Count rate within a 5' radius from the 0.5-2.0 KeV energy band (phot.count;em.X-ray)
  e_CR5 ct/s Uncertainty (1σ) in CR5 (stat.error)
  CRsrt ct/s Steepness-ratio technique (SRT) count rate in the 0.5-2.0 KeV band (phot.count;em.X-ray)
  e_CRsrt ct/s Lower limit to CRsrt (stat.error)
  E_CRsrt ct/s Upper limit to CRsrt (stat.error;stat.max)

ALL cols
    
 (i)indexed column
  Prob % Probability that the source is pointlike (Prob < 1% is extended) (stat)
  Flux 10-14W/m2Unabsorbed X-ray flux in the 0.5-2.0 KeV band (units of 10–11 ergs/cm2/s) (phot.flux;em.X-ray)
  e_Flux 10-14W/m2Uncertainty (1σ) in Flux (stat.error;phot.flux)
  Lum 10+37W (n) X-ray luminosity in the 0.5-2.0 keV band (units 1044 ergs/s) (Note 1)   (phys.luminosity;em.X-ray)
  e_Lum 10+37W (n) Uncertainty (1σ) in Lum (stat.error)
  ID (char) Optical identification name (meta.id.cross)
  q_ID (char) [ABC] ID class (Note 2)   (meta.code.qual)
  z  (n) Redshift (src.redshift)
  r_z  (n) Redshift reference (see refs.dat) (meta.ref;pos.frame)
  f_z (char) Indicates an estimated redshift (meta.code)
  Note  (n) Notes on single objects (see notes.dat) (meta.note)

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