Looking for catalogs ..
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/MNRAS/326/1455
  The CLASS blazar survey. I. (Marcha+, 2001)
ReadMe+ftp
2001MNRAS.326.1455M
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/MNRAS/326/1455/table1The CLASS bright sample (325 rows) (released 2024-06-27)
[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)
  GB6 (char) GB6 designation (JHHMMSS+DDMMSS) (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  Rmag mag R magnitude (phot.mag;em.opt.R)
  S1.4 mJy NVSS flux density at 1.4GHz (phot.flux.density;em.radio.750-1500MHz)
  S4.8 mJy GB6 flux density at 4.8GHz (phot.flux.density;em.radio.3-6GHz)
  l_S8.4 (char) Limit flag on S8.4 (meta.code.error)
  S8.4 mJy VLA flux density at 8.4GHz (phot.flux.density;em.radio.6-12GHz)
  alf1  Spectral index between 1.4GHz and 4.8GHz (spect.index;em.radio.750-1500MHz)
  l_alf2 (char) Limit flag on Sp+Index (meta.code.error)
  alf2  (n) Spectral index between 1.4GHz and 8.4GHz (spect.index;em.radio.750-1500MHz)
  Flag (char) [s? ] Steep spectrum (Note 1)   (meta.code.error)
  alf1c  (n) Corrected Spectral index between 1.4GHz and 4.8GHz (spect.index;em.radio.750-1500MHz)

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 (2025-08-24T13:05:46)
-2
-source=73261455
-ref=VIZ68ab0e2a50a93
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
[1756040746]   Select famid, name, explain From METAfam where famid=1243
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=74
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=1
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=179
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=249
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=1165
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=248
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=1135
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=112
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=932
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=742
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=109
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=905
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=508
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=907
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=513
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=64
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=103
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=908
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=515
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select ucdid, name, class, explain From METAucd where ucdid=288
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=1325
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756040746]   Select famid, name, explain From METAfam where famid=105
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=73261455
     [u] -ref=VIZ68ab0e2a50a93
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
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