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/other/RAA/14.1135
  Doppler factor for a Fermi blazar sample (Fan+, 2014)
ReadMe+ftp
2014RAA....14.1135F
Similar Catalogs
Post annotation 		img(gal)
1.J/other/RAA/14.1135/table1The Fermi blazar sample (457 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)
  n_2FGL (char) l indicates a blazar with δ measures in the literature (table2), s a superluminal blazar (table3), S a superluminal blazar with other δ measures (tables 2 and 3) (meta.ref.url)
  2FGL (char) (i) 2FGL name (JHHMM.m+DDMM) (meta.id;meta.main)
  Name (char) Other name (meta.id)
  Class (char) Source classification (Note G1)   (src.class)
  z  (n) Redshift (src.redshift)
  Fg 10-5/m2/s [2/965] Flux in the bin 1-100GeV (in 10–9γ/cm2/s) (phot.flux.density;em.gamma.hard)
  ag   [1.2/3] Gamma-ray photon spectral index αγ (from 2FGL) (spect.index)
  FX uJy [0.004/59] X-ray flux density at 1keV (phot.flux;em.X-ray)
  r_FX (char) Reference for FX and aX (Note 1)   (meta.ref;pos.frame)
  aX  (n) [1.1/4.6] X-ray photon index, αp (spect.index)
  E_aX  (n) Error on aX (upper value) (stat.error;stat.max)
  e_aX  (n) Error on aX (lower value) (stat.error)
  <Eg> GeV Average gamma-ray photon energy (em.energy;stat.mean)
  logL [10-7W] Integrated gamma-ray luminosity (1-100GeV), log(νLν) (erg/s) (phys.luminosity;em.gamma)
  d6h  Derived lower limit δγ6h, γ-ray Doppler factor for ΔT=6h (meta.note)
  d1d  Derived lower limit δγ1d, γ-ray Doppler factor for ΔT=1d (meta.note)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _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)

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