VizieR

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VizieR

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

  
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J/ApJ/514/148
  ROSAT survey of bright galaxies clusters (De Grandi+, 1999)
Post annotation
img(gal)
1.J/ApJ/514/148/table1(c)ROSAT cluster catalog (130 rows)
2.J/ApJ/514/148/notesNotes on single sources in table1.dat (42 rows)
3.J/ApJ/514/148/refsRedshift references in table1.dat (31 rows)

 
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)
   (1+2)Seq  (i) Sequence number in the catalog (meta.id;meta.main)
  (1)RAJ2000 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  (1)NH 10+20cm-2Hydrogen Column density (units of 1020 cm–2) from Dickey & Lockman (1990ARA&A..28..215D) (meta.unit;phys.columnDensity)
  (1)Time s Vignetting-corrected exposure time (time.duration;obs.exposure)
  (1)CR5 ct/s Count rate within a 5' radius from the 0.5-2.0 KeV energy band (phot.count;em.X-ray)
  (1)e_CR5 ct/s Uncertainty (1σ) in CR5 (stat.error)
  (1)CRsrt ct/s Steepness-ratio technique (SRT) count rate in the 0.5-2.0 KeV band (phot.count;em.X-ray)
  (1)e_CRsrt ct/s Lower limit to CRsrt (stat.error)
  (1)E_CRsrt ct/s Upper limit to CRsrt (stat.error;stat.max)

ALL cols
    
 (i)indexed column
  (1)Prob % Probability that the source is pointlike (Prob < 1% is extended) (stat)
  (1)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)
  (1)e_Flux 10-14W/m2Uncertainty (1σ) in Flux (stat.error;phot.flux)
  (1)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)
  (1)e_Lum 10+37W (n) Uncertainty (1σ) in Lum (stat.error)
  (1)ID (char) Optical identification name (meta.id.cross)
  (1)q_ID (char) [ABC] ID class (Note 2)   (meta.code.qual)
  (1)z  (n) Redshift (src.redshift)
  (1)r_z  (n) Redshift reference (see refs.dat) (meta.ref;pos.frame)
  (1)f_z (char) Indicates an estimated redshift (meta.code)
  (1+2)Note  (n) Notes on single objects (see notes.dat) (meta.note)
  (2)Text (char) Comments on single sources in table1.dat (meta.note)
  (3)Ref  Redshift reference number (meta.bib)
  (3)BibCode (char) Bibliographic reference code (meta.bib.bibcode)
  (3)Comments (char) Reference or description of data (meta.ref;pos.frame)

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