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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/ApJ/900/L34
  BL Lac objects and radio galaxies comparison (Massaro+, 2020)
ReadMe+ftp
2020ApJ...900L..34M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/900/L34/table1Environmental parameters for all sample analyzed (473 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)
  Sample (char) Sample (Note 1)   (src.sample)
  Name (char) Source name (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  z   [0.01/0.15] Source redshift (src.redshift)
  dz   [0/0.005] Redshift offset (Note 2)   (src.redshift;arith.diff)
  dproj kpc [0/1891] Projected separation (Note 3)   (pos.distance)
  N500   [0/38] Number of cosmological neighbors within 500kpc (meta.number)
  N1000   [0/92] Number of cosmological neighbors within 1000kpc (meta.number)
  N2000   [0/164] Number of cosmological neighbors within 2000kpc (meta.number)
  FIRST  (n)Display the FIRST data (VIII/92) within 5" (meta.ref.url)
  Sloan  Display the online SDSS-DR14 data for the nearest object (meta.ref.url)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  NED  ask the NED data-base about this object (meta.ref.url)

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