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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_Lac(c)Catalog of X-ray-selected BL Lacertae objects (table2) and X-ray-selected BL Lacertae candidates (table12) (418 rows)
2.J/AJ/145/31/table6Host/nuclei parameters and central Black Hole masses (94 rows)
3.J/AJ/145/31/table7Synchrotron peak frequencies and broadband spectral indices (190 rows)
4.J/AJ/145/31/table9Overall variability of X-ray-selected BL Lac objects (XBLs) in different spectral bands (114 rows)
5.J/AJ/145/31/refsReferences (71 rows)

Simple ConstraintList Of Constraints
 
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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)B (char) B for X-ray-selected BL Lacertae objects (table2), c for X-ray-selected BL Lacertae candidates (table12) (meta.code)
   (1+2+3+4)Name (char) (i) Source name from X-ray surveys (Note G2)   (meta.id;meta.main)
  (1)M (char) Display the masses (table6), the spectral indices (table7), and the magnitudes (table9) for this BL Lacertae object or candidate (meta.ref.url)
  (1)OName1 (char) Source name in the Roma BZCAT (Massaro et al., 2009, cat. J/A+A/495/691) (Note G1)   (meta.id)
  (1)OName2 (char) Other source name(s) from X-ray surveys (Note G2)   (meta.id)
  (1)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)l_z (char) [>] Lower limit flag on z (meta.code.error;src.redshift)
  (1)z  (n) Redshift (src.redshift)
  (1)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
  (1)r_z (char) Reference of z; in refs.dat file (meta.ref;pos.frame)
  (1)FR mJy The 1.4GHz (or 843MHz/5GHz) radio flux density (phot.flux.density;em.radio.750-1500MHz)
  (1)f_FR (char) [ab] a=5GHz, b=843MHz flux density (meta.code)
  (1)r_FR (char) Reference of FR; in refs.dat file (meta.ref;pos.frame)
  (1)l_logLR (char) [>] Lower limit flag on logLR (meta.code.error)
  (1)logLR [10-7W] (n) Log of the radio luminosity; in erg/s (phys.luminosity;em.radio)
  (1)u_logLR (char) [:] Uncertainty flag on logLR (meta.code.error)
  (1)Vmag mag Optical V-band magnitude (phot.mag;em.opt)
  (1)f_Vmag (char) [ceg] Origin of Vmag (c, e, or g) (Note 1)   (meta.code)
  (1)r_Vmag (char) Reference of Vmag; in refs.dat file (meta.ref;pos.frame)
  (1)l_logLO (char) [>] Lower limit flag on logLO (meta.code.error)
  (1)logLO [10-7W] (n) Log of optical luminosity; in erg/s (phys.luminosity;em.opt)
  (1)u_logLO (char) [:] Uncertainty flag on logLO (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)FX fW/m2 ROSAT X-ray flux; in 10–12erg/cm2/s (phot.flux;em.X-ray)
  (1)f_FX (char) [f] 2keV flux (meta.code)
  (1)r_FX (char) Reference of FX; in refs.dat file (meta.ref;pos.frame)
  (1)l_logLX (char) [>] Lower limit flag on logLX (meta.code.error)
  (1)logLX [10-7W] (n) Log of X-ray luminosity; in erg/s (phys.luminosity;em.X-ray)
  (1)u_logLX (char) [:] Uncertainty flag on logLX (meta.code.error)
  (1)FX/FR 10+23Hz (n) Ratio of X-ray to radio fluxes; in erg/cm2/s/Jy (phot.flux;arith.ratio)
  (1)Survey (char) X-ray survey(s) (Note G3)   (meta.id)
  (1)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)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (2)l_Rmag1 (char) [>] Lower limit flag on Rmag1 (meta.code.error)
  (2)Rmag1 mag Apaprent R-band magnitude of the XBL host (Note 1)   (phot.mag;em.opt.R)
  (2)u_Rmag1 (char) [:] Uncertainty on Rmag1 (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)r_Rmag1 (char) Reference for Rmag1; in refs.dat file (meta.ref;pos.frame)
  (2)l_RMag1 (char) [>] Lower limit flag on RMag1 (meta.code.error)
  (2)RMag1 mag (n) Absolute R-band magnitude of the XBL host (Note 1)   (phys.magAbs)
  (2)u_RMag1 (char) [:] Uncertainty on RMag1 (meta.code.error)
  (2)r_RMag1 (char) Reference for RMag1; in refs.dat file (meta.ref;pos.frame)
  (2)Reff kpc (n) Effective radius of the XBL host (Note 1)   (phys.size.radius)
  (2)u_Reff (char) [:] Uncertainty on Reff (meta.code.error)
  (2)r_Reff (char) Reference for Reff; in refs.dat file (meta.ref;pos.frame)
  (2)V-R mag (n) The (V-R) color index of the XBL host (Note 1)   (phot.color;em.opt.V;em.opt.R)
  (2)u_V-R (char) [:] Uncertainty flag on V-R (meta.code.error;phot.color;em.opt.V)
  (2)r_V-R (char) Reference for V-R; in refs.dat file (meta.ref;phot.color;em.opt.V)
  (2)Ell  (n) Ellipticity of the XBL host (Note 1)   (src.ellipticity)
  (2)Rmag2 mag (n) Apparent R-band magnitude of the XBL nuclei (Note 1)   (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)l_RMag2 (char) [<>] Limit flag on RMag2 (meta.code.error)
  (2)RMag2 mag (n) Absolute R-band magnitude of the XBL nuclei (Note 1)   (phys.magAbs)
  (2)u_RMag2 (char) [:] Uncertainty flag on RMag2 (meta.code.error)
  (2)r_RMag2 (char) Reference for RMag2; in refs.dat file (meta.ref;pos.frame)
  (2)l_LN/LH (char) [<>] Limit flag on LN/LH (meta.code.error;phys.abund)
  (2)LN/LH  (n) [0.02/332] The nucleus-to-host luminosity ratio of the XBL nuclei (Note 1)   (phys.luminosity;arith.ratio)
  (2)u_LN/LH (char) [:] Uncertainty flag on LN/LH (meta.code.error;phys.abund)
  (2)Mb/Ms [-] (n) Log of the central black hole-to-Sun mass ratio (phys.mass;arith.ratio)
  (2)u_Mb/Ms (char) [:] Uncertainty flag on Mb/Ms (meta.code.error)
  (2)r_Mb/Ms (char) Reference for Mb/Ms; in refs.dat file (meta.ref;pos.frame)
  (2)r_Rmag2 (char) Reference for Rmag2; in refs.dat file (meta.ref;pos.frame)
  (3+4)OName (char) Other(s) name(s) from X-ray surveys (Note G2)   (meta.id)
  (3)lognu [Hz] Log of synchrotron peak frequency (νpeak) (Note 1)   (em.freq)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)r_lognu (char) Reference of lognu; in refs.dat file (meta.ref;pos.frame)
  (3)aRO  (n) Radio-Optical spectral index (αRO) (spect.index)
  (3)aOX  (n) Optical-X-ray spectral index (αOX) (spect.index)
  (3)r_aOX (char) Reference of aRO and aOX; in refs.dat file (meta.ref;pos.frame)
  (3)aRX  (n) Radio-X-ray spectral index (αRX) (spect.index)
  (3)r_aRX (char) Reference of aRX; in refs.dat file (meta.ref;pos.frame)
  (4)Band (char) [BVR] Spectral band (Johnson-Cousins B, V, or R) (instr.bandpass)
  (4)mag mag Brightest magnitude (phot.mag)
  (4)l_dmag (char) [>] Lower limit flag on dmag (meta.code.error)
  (4)dmag mag Overall optical variability in Band (Δm) (Note 1)   (phot.mag;arith.diff)
  (4)r_mag (char) Reference of mag; in refs.dat file (meta.ref)
  (4+5)Ref (char) Reference of faintest magnitude; in refs.dat file (meta.ref;pos.frame)
  (5)BibCode (char) Bibliographic code (meta.bib.bibcode)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (5)Aut (char) Author's name (meta.bib.author)
  (5)Com (char) Comments (meta.note)

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