VizieR

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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/ApJS/207/16
  BL Lac candidates for TeV observations (Massaro+, 2013)
Post annotation
img(gal)
1.J/ApJS/207/16/table3*The complete list of TBCs selected from the ROMA-BZCAT (Note) (41 rows)

 
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)
  BZCat (char) ROMA-BZCAT name (JHHMM+DDMM; <[MGL2009] BZB JHHMM+DDMM> in Simbad) (Note G1)   (meta.id;meta.main)
  f_BZCat (char) [*] Not detected at TeV energies (Note 1)   (meta.code)
  WISE (char) WISE name (JHHMMSS.ss+DDMMSS.s) (meta.id.cross)
  z  (n) [0.027,0.443] ROMA-BZCAT redshift (src.redshift)
  u_z (char) [?] Uncertainty flag on z or unknown z (meta.code.error;src.redshift)
  FX fW/m2 [2.69,33.6] ROSAT X-ray flux in the 0.1-2.4keV energy range (Note 2)   (phot.flux;em.X-ray)
  2FGL  (n)Presence of source in 2FGL (Cat. J/ApJS/199/31) (meta.ref.url)
  Gamma  (n) [1.48,2.39] 2FGL γ-ray photon index (meta.code;spect.index)
  [3.4/4.6] mag [0.29,0.86] WISE [3.4]-[4.6] color index (phot.color;em.IR;em.IR)
  e_[3.4/4.6] mag [0.03,0.04] [3.4/4.6] uncertainty (stat.error)
  [4.6/12] mag [1.69,2.29] WISE [4.6]-[12] color index (phot.color;em.IR;em.IR)
  e_[4.6/12] mag [0.03,0.08] [4.6/12] uncertainty (stat.error)
  FIR fW/m2 [0.92,7.59] WISE IR flux in the 3.4-12um energy range in units of 10–12erg/cm2/s (phot.flux.density;em.IR)
  e_FIR fW/m2 [0.04,0.15] FIR uncertainty (stat.error)
  X/IR   [0.46,24.77] Ratio between FX and FIR (Note G2)   (phot.flux;arith.ratio)
  Sel (char) [SCTM,- ] Other selection(s)? (Note 3)   (meta.ref;pos.frame)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  _RA deg (i) Positions from WISE names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from WISE names (declination part) (pos.eq.dec;meta.main)

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