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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/ApJ/936/146
  SED, optical & gamma-ray parameters for 656 blazars (Xiao+, 2022)
ReadMe+ftp
2022ApJ...936..146X
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Post annotation 		img(gal)
1.J/ApJ/936/146/table1Optical, γ-ray, and SED parameters of 656 4LAC blazars (656 rows) (released 2024-11-13)
[METAtab] [METAcola]

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - ) [METAcola]
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  4FGL (char) The 4FGL identifier (JHHMM.m+DDMM) (meta.id;meta.main)
  z   [0.027/4.314] Spectroscopic redshift (Note 1)   (src.redshift)
  EW-Ha 0.1nm (n) [4.72/2376] Hα equivalent width (Note 1)   (spect.line.eqWidth;em.line.Halpha)
  e_EW-Ha 0.1nm (n) [1/1376] Uncertainty in EW-Ha (Note 1)   (stat.error;spect.line.eqWidth;em.line.Halpha)
  EW-Hb 0.1nm (n) [0/1045] Hβ equivalent width (Note 1)   (spect.line.eqWidth;em.line.Hbeta)
  e_EW-Hb 0.1nm (n) [0/145] Uncertainty in EW-Hb (Note 1)   (stat.error;spect.line.eqWidth;em.line.Hbeta)
  EW-MgII 0.1nm (n) [0/1154] Mg II equivalent width (Note 1)   (spect.line.eqWidth)
  e_EW-MgII 0.1nm (n) [0.2/242] Uncertainty in EW-MgII (Note 1)   (stat.error;spect.line.eqWidth)
  EW-CIV 0.1nm (n) [0/1963] C IV equivalent width (Note 1)   (spect.line.eqWidth)
  e_EW-CIV 0.1nm (n) [0.06/268] Uncertainty in EW-CIV (Note 1)   (stat.error;spect.line.eqWidth)
  logBLR [10-7W] [41.76/46.42] Log broad line region luminosity; erg/s (phys.luminosity)
  logIC [mW/m2] (n) [-12.63/-9.32] Log inverse Compton peak flux; erg/cm2/s (phot.flux.density;em.gamma.hard)
  Flux ph/cm2/s [6.26e-11/8.69e-08] Integral 1-100GeV photon flux (Note 2)   (phot.flux;em.gamma.hard)
  alpha   [1.95/3.04] Photon index (Note 2)   (spect.index)
  Class (char) 4LAC DR2 (see Ajello+ 2022, J/ApJS/263/24) classification (Note 3)   (meta.code.class;src.class)
  DR3  Display data from 4LAC-DR3 (Ajello+ 2022, J/ApJS/263/24) and 4LAC (Ajello+ 2020, J/ApJS/263/24) (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Position from Simbad (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position from Simbad (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
.errorfile=/tmp/V-0.err (2025-08-23T14:05:50)
-2
-source=19360146
-ref=VIZ68a9cabe27cba0
elapse time 0

Options: wopt=0, optS=0, onote=0, opt1=8, opos=0

Contents of error file (/tmp/V-0.err):
-rwxr-xr-x 1 root root 963736 Jun 11 08:12 /srv/httpd/bin/vizier
vizier -- Version 7.5.1
cgiprint -- version 9.68 (2016-01-16)
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=82
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1243
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=74
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=1
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=179
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=321
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1247
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=293
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=963
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1273
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=348
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=120
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=964
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=191
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=995
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=109
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=952
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1281
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=106
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=288
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1326
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=63
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=299
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=96
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=84
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=530
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=249
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1165
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select ucdid, name, class, explain From METAucd where ucdid=248
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755957950]   Select famid, name, explain From METAfam where famid=1135
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=19360146
     [u] -ref=VIZ68a9cabe27cba0
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
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