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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/710/A77
  X-CLASS low z groups and galaxy clusters (Moysan+, 2026)
ReadMe+ftp
2026A&A...710A..77M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/710/A77/tableb1(c)Results of the MISTRAL observing runs at OHP (144 rows)
2.J/A+A/710/A77/tablec1(c)Redshift of the 52 X-CLASS clusters measured with MISTRAL (52 rows)
3.J/A+A/710/A77/tablec2(c)The 1599 X-CLASS galaxy clusters with updated redshifts (z), associated flags and confirmation status (1599 rows)
4.J/A+A/710/A77/tabled1(c)List of the 155 galaxy clusters constituting the X-CLASS-LR sample and their measured physical properties (corrected version, 08-Jul-2026) (155 rows)
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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)
  (1)GalID (char) Galaxy identification including the X-CLASS number, xclassNNNN-GN (meta.id;meta.main)
   (ALL)RAJ2000 deg (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  (1)gmag  (n) g-band magnitude (phot.mag;em.opt.B)
  (1)rmag  (n) r-band magnitude (phot.mag;em.opt.R)
  (1)zphot  (n) Photometric redshift (src.redshift)
  (1)zspec  Spectroscopic redshift (src.redshift)
  (1)Q   [1/3] Confidence level (Note 1)   (meta.code.qual)
  (1)Com (char) Comments (meta.note)
  (2+3+4)XClass   [297/24762] X-CLASS number (meta.id;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)z  Redshift (src.redshift)
  (2)S   [2/5] Redshift quality flag (Note 1)   (meta.code.qual;src.redshift)
  (3)ZSP  Three-digit ZSP flag associated to the cluster redshift measurement (meta.code)
  (3)Status (char) Redshift quality status (meta.code.qual)
  (4)T keV (n) Spectroscopic temperature measurement (phys.temperature)
  (4)E_T keV (n) Spectroscopic temperature positive uncertainty (stat.error;stat.max)
  (4)e_T keV (n) Spectroscopic temperature negative uncertainty (stat.error)
  (4)Z Sun (n) Metallicity measurement (phys.abund.Z)
  (4)n_Z (char) [*] * indicates fixed metallicity (meta.note)
  (4)E_Z Sun (n) Metallicity positive uncertainty (stat.error;stat.max)
  (4)e_Z Sun (n) Metallicity negative uncertainty (stat.error;src.redshift)
  (4)L500 10+35W (n) Luminosity L500 measurements in 1042erg/s (phys.luminosity)
  (4)E_L500 10+35W (n) Luminosity L500 positive uncertainty in 1042erg/s (stat.error;stat.max)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)e_L500 10+35W (n) Luminosity L500 negative uncertainty in 1042erg/s (stat.error)
  (4)R500 kpc (n) Radius R500 of the cluster derived from scaling relation (phys.size.radius)
  (4)chi2/nu  Goodness of the backgroung estimation of the pointing (stat.fit.goodness)

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