VizieR

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

VizieR

  
J/ApJS/247/16
  Extreme high-frequency-peaked BL Lac objects (Acciari+, 2020)
ReadMe+ftp
2020ApJS..247...16A
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spectrum
Post annotation 		img(gal)
1.J/ApJS/247/16/fig1Spectral energy distributions (Data behind Figure 1) (36 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)
  Name (char) Source identifier (meta.id;meta.main)
  Energy GeV [144.7/3774] Energy (em.energy)
  e_Energy GeV (n) [31.5/1210] Lower Energy bin width (stat.error;phys.energy)
  E_Energy GeV (n) [41/2489] Upper Energy bin width (stat.error;stat.max)
  dN/dE 1/TeV/cm2/s [2.4e-14/7.5e-11] Differential photon flux at Energy (phot.flux;arith.ratio)
  e_dN/dE 1/TeV/cm2/sLower uncertainty in dN/dE (stat.error)
  E_dN/dE 1/TeV/cm2/sUpper uncertainty in dN/dE (stat.error;stat.max)
  Start d [56035/57658] Modified Julian start date of observation (time.start;obs)
  End d [56066/58056] Modified Julian end date of observation (time.end;obs)
  Texp h [8.7/52.5] Exposure time (time.duration;obs.exposure)
  Comm (char) Comment (Note 1)   (meta.note)

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