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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/696/A97
  Giant double-double radio galaxies from LoTSS DR2 (Dabhade+, 2025)
ReadMe+ftp
2025A&A...696A..97D
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/696/A97/tablea3Positions, redshifts, magnitudes, cluster properties, and references for G-DDRGs hosted by BCGs (15 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)
  SrNo  Sequential number (meta.record)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) of G-DDRGs hosted by the brightest cluster galaxies (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) of G-DDRGs hosted by the brightest cluster galaxies (pos.eq.dec;meta.main)
  Cluster (char) Name (meta.id;meta.main)
  z  Spectroscopic redshift (src.redshift)
  n_z (char) [+] + if photometric redshift (meta.note)
  rmag mag r magnitude (phot.mag;em.opt.R)
  r500 Mpc (n) Radius within which the mean density is 500 times the critical density of the Universe (phys.size.radius)
  RL*500  (n) Cluster richness parameter (src.class.richness)
  N500  (n) Number of galaxies within r500 (meta.number)
  M500 10+14Msun(n) Mass within r500 (phys.mass)
  n_M500 (char) [*] * for mass from Gao et al., 2020PASP..132b4101G, Cat. J/PASP/132/B4101 (meta.note)
  Ref (char) Reference (meta.ref;pos.frame)

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