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/ApJS/271/20
  Broad emission line of 4FGL blazars (Chen+, 2024)
Post annotation
img(gal)
1.J/ApJS/271/20/table1(c)The sample of 979 Fermi blazars (979 rows)
2.J/ApJS/271/20/table2The sample of 278 Fermi blazars whose optical spectra exhibit at least one of the broad emission lines Hα, Hβ, MgII, and CIV (278 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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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)sp (char) Display the emission line fluxes of this source (link to Table 2) (meta.ref.url)
   (ALL)4FGL (char) (i) 4FGL-DR4 catalog identifier (JHHMM.m+DDMM) (meta.id;meta.main)
  (1)Name (char) Other name (meta.id)
   (ALL)z   [0.027/4.4] Spectroscopic redshift (src.redshift)
  (1)C1 (char) 4FGL-DR4 catalog classification (Note 1)   (meta.code.class;src.class)
  (1)C2 (char) Yang+ 2022, J/ApJS/262/18 classification (meta.code.class;src.class)
  (1)lognu [Hz] (n) [12.1/18.2] Log peak frequency (Note 2)   (em.freq)
  (1)F0.1-100 mW/m2/sr [5e-13/7.4e-10] The 0.1-100GeV gamma-ray flux; erg/cm2/sr (phot.flux;em.gamma.hard)
  (1)alpha   [1.4/3.3] 4FGL-DR4 catalog photon spectral index (spect.index)
  (1)logLg [10-7W] [42.8/48.9] Log 0.1-100GeV gamma-ray luminosity; erg/s (phys.luminosity;em.gamma)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)logLBLR [10-7W] [40.4/46.7] Log Broad-Line Region luminosity; erg/s (phys.luminosity)
  (1)r_logLBLR (char) Reference code for logLBLR (Note 3)   (meta.ref;phys.luminosity)
  (1)delta   [0.45/88.6] Doppler factor from this work (arith.factor)
  (1)DR3  (n)Display data from 4FGL-DR3 (IX/67) (meta.ref.url)
  (1)Y22  (n)Display data from Yang+ 2022, J/ApJS/262/18 (meta.ref.url)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)NED (char) ask the NED data-base about this object (meta.ref.url)
  (1)_RA deg (i) Positions from SIMBAD or from the 4FGL-DR4 (https://fermi.gsfc.nasa.gov/ssc/data/access/lat/14yr_catalog/gll_psc_v32.reg) (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Positions from SIMBAD or from the 4FGL-DR4 (https://fermi.gsfc.nasa.gov/ssc/data/access/lat/14yr_catalog/gll_psc_v32.reg) (declination part) (pos.eq.dec;meta.main)
  (2)Class (char) Classification (Note 1)   (meta.code.class;src.class)
  (2)FHa 10-20W/m2(n) [8.7/62567] Halpha emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line.Halpha)
  (2)e_FHa 10-20W/m2(n) [0/543] Uncertainty in FHa (stat.error;phot.flux;em.line.Halpha)
  (2)FHb 10-20W/m2(n) [4.9/19028] Hbeta emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line.Hbeta)
  (2)e_FHb 10-20W/m2(n) [3.8/1455] Uncertainty in FHb (stat.error;phot.flux;em.line.Hbeta)
  (2)FMgII 10-20W/m2(n) [8.2/1745] MgII emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line)
  (2)e_FMgII 10-20W/m2(n) [4.9/153] Uncertainty in FMgII (stat.error;phot.flux;em.line)
  (2)FCIV 10-20W/m2(n) [7.6/4074] CIV emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line)
  (2)e_FCIV 10-20W/m2(n) [5.7/1416] Uncertainty in FCIV (stat.error;phot.flux;em.line)
  (2)e_logLBLR [10-7W] [0/0.5] Uncertainty in logLBLR (stat.error;phys.luminosity)

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