CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN 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

  Fermi detection of BL Lac objects (Wu+, 2014)
Post annotation
1.J/A+A/562/A64/table3Sample of 170 BL Lac objects in Wu et al. (2007, Cat. J/A+A/466/63) (170 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)
  IAU (char) IAU source name (HHMM+DDd, J2000) (
  Source (char) Source name (;meta.main)
  z   [0.01/2.1] Redshift (src.redshift)
  n_z (char) [*] * for unknown redshift and taken as the average redshift of LBL/IBL/HBL subclass (meta.note)
  log(nu) [Hz] [11/21] Synchrotron peak frequency (Note 1)   (em.freq;stat.max)
  logP [W/Hz] [22/29] Total radio power at 408MHz (Note 1)   (phys.luminosity;
  Fc Jy Arcsecond scale radio flux at 5GHz Fcore (Note 1)   (phot.flux.density;
  delta   [0.5/37.1] Doppler factor δ (Note 1)   (spect.dopplerParam)
  Pol % (n) [0/12] Polarization fraction from NVSS (phys.polarization)
  Mhost mag (n) Absolute magnitude of host galaxy (Note 2)   (phys.magAbs)
  Class (char) Class: FBL (BL Lac with Fermi detection) or NFBL (no Fermi detection) (src.class)
  Fgam mW/m2 (n) Observed γ-ray flux from 2nd year Fermi/LAT catalog [100MeV to 100GeV] (phot.flux.density;em.gamma.hard)
  beta  (n) [0.5/26] Proper motion from the literature (Apparent parsec-scale speed of the fastest jet feature (βapp) (phys.veloc;arith.diff)
  r_beta  (n) Reference for proper motion (Note 3)   (meta.ref;pos.frame)
  SimbadName (char) Designation understandable by the Simbad data-base (
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)

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