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VizieR

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/728/23
  GALEX UV-bright high-redshift quasars (Worseck+, 2011)
ReadMe+ftp
2011ApJ...728...23W
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/728/23/table3(c)*Promising targets to search for HeII (GALEX S/N>3 and (FUV-NUV)<1mag) (Note) (52 rows)
2.J/ApJ/728/23/table4(c)*Further quasars with potential FUV flux (GALEX S/N(FUV)>2) (Note) (114 rows)
Help Xmatch is

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)
   (ALL)Name (char) Object designation (meta.id;meta.main)
   (ALL)RAJ2000 "h:m:s" (i) Optical hour of right ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Optical degree of declination (J2000) (pos.eq.dec;meta.main)
   (ALL)zem   [2.702/5.037] Emission redshift (src.redshift)
   (ALL)mag mag [15.48/24.1] Optical magnitude in Filt (phot.mag;em.opt)
   (ALL)Filt (char) Filter (BVR, b_J or r) (Note 1)   (meta.note)
   (ALL)FUV mag GALEX GR4 FUV (∼1350-1780Å) AB magnitude (phot.mag;em.UV)
   (ALL)NUV mag (n) GALEX GR4 NUV (∼1770-2830Å) AB magnitude (phot.mag;em.UV)
   (ALL)Lim   [0/2] Limit flag on UV detections (Note 2)   (meta.code.error)
   (ALL)F.S/N  Signal-to-noise ration in FUV (stat.snr)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)N.S/N  (n) Signal-to-noise ration in NUV (stat.snr)
   (ALL)Nf   [0/3] Neighbor flag (Note 3)   (meta.code)
   (ALL)xm  (n)Cross-match with QSO catalogs (Veron 2010, Syphers 2009) (meta.ref.url)
   (ALL)Sloan (char) Display the online SDSS data for this quasar (meta.ref.url)
   (ALL)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
   (ALL)NED (char) ask the NED data-base about this object (meta.ref)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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