VizieR

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VizieR

  
J/ApJS/271/20
  Broad emission line of 4FGL blazars (Chen+, 2024)
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2024ApJS..271...20C
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1.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)

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)
  4FGL (char) 4FGL-DR4 catalog identifier (JHHMM.m+DDMM) (meta.id;meta.main)
  z   [0.04/4.1] Spectroscopic redshift (src.redshift)
  Class (char) Classification (Note 1)   (meta.code.class;src.class)
  FHa 10-20W/m2(n) [8.7/62567] Halpha emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line.Halpha)
  e_FHa 10-20W/m2(n) [0/543] Uncertainty in FHa (stat.error;phot.flux;em.line.Halpha)
  FHb 10-20W/m2(n) [4.9/19028] Hbeta emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line.Hbeta)
  e_FHb 10-20W/m2(n) [3.8/1455] Uncertainty in FHb (stat.error;phot.flux;em.line.Hbeta)
  FMgII 10-20W/m2(n) [8.2/1745] MgII emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line)
  e_FMgII 10-20W/m2(n) [4.9/153] Uncertainty in FMgII (stat.error;phot.flux;em.line)
  FCIV 10-20W/m2(n) [7.6/4074] CIV emission line flux; 1e-17erg/s/cm2 (phot.flux;em.line)
  e_FCIV 10-20W/m2(n) [5.7/1416] Uncertainty in FCIV (stat.error;phot.flux;em.line)
  logLBLR [10-7W] [40.44/45.45] Log Broad-line region luminosity; erg/s (phys.luminosity)
  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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