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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/AJ/145/31
  Catalog of X-ray selected BL Lac objects (Kapanadze+, 2013)
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2013AJ....145...31K
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1.J/AJ/145/31/BL_LacCatalog of X-ray-selected BL Lacertae objects (table2) and X-ray-selected BL Lacertae candidates (table12) (418 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)
  B (char) B for X-ray-selected BL Lacertae objects (table2), c for X-ray-selected BL Lacertae candidates (table12) (meta.code)
  Name (char) (i) Source name from X-ray surveys (Note G2)   (meta.id;meta.main)
  M (char) Display the masses (table6), the spectral indices (table7), and the magnitudes (table9) for this BL Lacertae object or candidate (meta.ref.url)
  OName1 (char) Source name in the Roma BZCAT (Massaro et al., 2009, cat. J/A+A/495/691) (Note G1)   (meta.id)
  OName2 (char) Other source name(s) from X-ray surveys (Note G2)   (meta.id)
  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)
  l_z (char) [>] Lower limit flag on z (meta.code.error;src.redshift)
  z  (n) Redshift (src.redshift)
  u_z (char) [:] Uncertainty flag on z (meta.code.error;src.redshift)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  r_z (char) Reference of z; in refs.dat file (meta.ref;pos.frame)
  FR mJy The 1.4GHz (or 843MHz/5GHz) radio flux density (phot.flux.density;em.radio.750-1500MHz)
  f_FR (char) [ab] a=5GHz, b=843MHz flux density (meta.code)
  r_FR (char) Reference of FR; in refs.dat file (meta.ref;pos.frame)
  l_logLR (char) [>] Lower limit flag on logLR (meta.code.error)
  logLR [10-7W] (n) Log of the radio luminosity; in erg/s (phys.luminosity;em.radio)
  u_logLR (char) [:] Uncertainty flag on logLR (meta.code.error)
  Vmag mag Optical V-band magnitude (phot.mag;em.opt)
  f_Vmag (char) [ceg] Origin of Vmag (c, e, or g) (Note 1)   (meta.code)
  r_Vmag (char) Reference of Vmag; in refs.dat file (meta.ref;pos.frame)
  l_logLO (char) [>] Lower limit flag on logLO (meta.code.error)
  logLO [10-7W] (n) Log of optical luminosity; in erg/s (phys.luminosity;em.opt)
  u_logLO (char) [:] Uncertainty flag on logLO (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  FX fW/m2 ROSAT X-ray flux; in 10–12erg/cm2/s (phot.flux;em.X-ray)
  f_FX (char) [f] 2keV flux (meta.code)
  r_FX (char) Reference of FX; in refs.dat file (meta.ref;pos.frame)
  l_logLX (char) [>] Lower limit flag on logLX (meta.code.error)
  logLX [10-7W] (n) Log of X-ray luminosity; in erg/s (phys.luminosity;em.X-ray)
  u_logLX (char) [:] Uncertainty flag on logLX (meta.code.error)
  FX/FR 10+23Hz (n) Ratio of X-ray to radio fluxes; in erg/cm2/s/Jy (phot.flux;arith.ratio)
  Survey (char) X-ray survey(s) (Note G3)   (meta.id)
  1RXS  (n)Cross-match with the 1RXS-ROSAT All-Sky Survey Bright Source Catalogue (Voges et al., 1999, cat. IX/10) within 30" (meta.ref.url)
  Simbad  ask the Simbad 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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