VizieR

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

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/A+A/466/63
  VLBI observations of BL Lac objects (Wu+, 2007)
ReadMe+ftp
2007A&A...466...63W
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/466/63/table4The sample of 170 BL Lac objects selected from Nieppola et al. (2006, Cat. J/A+A/445/441). (170 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)
  IAU (char) IAU name (HHMM+DDd) (meta.id)
  Source (char) Source name (meta.id;meta.main)
  z  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] Intrinsic synchrotron peak frequency after excluding the Doppler factor, log(nu'peak) (em.freq)
  logP [W/Hz] Total radio power at 408MHz (phys.luminosity;em.radio.400-750MHz)
  n_logP (char) [abcde] Frequency used to derive logP (Note 1)   (meta.note)
  logPc [W/Hz] 5GHz core luminosity (phys.luminosity;em.radio.3-6GHz)
  FExt mJy (n) 5GHz extended flux density (phot.flux.density;em.radio.3-6GHz)
  n_FExt (char) [f] f: extend flux at 1.4GHz (meta.note)
  Refs (char) References for core and extended flux in refs.dat file (meta.ref;pos.frame)
  delta  Doppler factor (spect.dopplerParam)
  theta3 deg Viewing angle of {GAMMA}=3 (src.orbital.inclination)
  theta5 deg Viewing angle of {GAMMA}=5 (src.orbital.inclination)
  theta10 deg Viewing angle of {GAMMA}=10 (src.orbital.inclination)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Computed Right Ascension for Equinox: J2000 (pos.eq.ra;meta.main)
  _DE deg (i) Computed Declination for Equinox: J2000 (pos.eq.dec;meta.main)

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