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/913/120
  4FGL blazars with Gaia DR2 data (Zeng+, 2021)
ReadMe+ftp
2021ApJ...913..120Z
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/ApJ/913/120/table1Sample for 1124 blazars (1124 rows) (released 2023-01-17)
[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) 4FGL name (JHHMM.m+DDMM) (meta.id;meta.main)
  z   [0.01/3.8] Spectroscopic redshift from the 4LAC (Ajello+, 2020, J/ApJ/892/105) (src.redshift)
  S25GeV mW/m2 [8.4e-13/1.2e-9] The 25GeV energy flux; in erg/s/cm2 units (phot.flux.density;em.gamma.hard)
  Gamma   [1.5/3.2] Power-law spectral index in the 100MeV to 100GeV energy band (spect.index;em.gamma)
  Class (char) Classification (Note 1)   (src.class)
  Gaia  Gaia DR2 counterpart identifier (meta.id)
  Gmag mag [12.8/21.5] Gaia DR2 G passband band magnitude (phot.mag;em.opt)
  BPmag mag (n) [12.9/21.3] Gaia DR2 Blue passband magnitude (phot.mag;em.opt.B)
  RPmag mag (n) [12.2/20.4] Gaia DR2 Red passband magnitude (phot.mag;em.opt.R)
  fnu mJy [0.009/24.7] Gaia DR2 G passband flux density (phot.flux.density;em.opt)
  fnuBP mJy (n) [0.01/24] Gaia DR2 Blue passband flux density (phot.flux.density;em.opt)
  fnuRP mJy (n) [0.01/32.1] Gaia DR2 Red passband flux density (phot.flux.density;em.opt)
  alpha   [-0.8/4.1] Optical spectral index (Note 2)   (spect.index;em.opt)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  _DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (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-3.err (2025-04-04T04:20:35)
-3
-source=J/ApJ/913/120
-ref=VIZ67ef5e133c26d4
elapse time 0

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

Contents of error file (/tmp/V-3.err):
CDSportal=http://cdsportal.u-strasbg.fr/StoreVizierData.html
COCAT=130.79.128.31
COCATPORT=1801
CONTEXT_DOCUMENT_ROOT=/srv/httpd/local/cgi/
CONTEXT_PREFIX=/local/viz-bin/
Content=text/html
DOCKER=yes
DOCUMENT_ROOT=/srv/httpd/Pages/
GATEWAY_INTERFACE=CGI/1.1
GLUDIR=/srv/glu
GLUHOME=/srv/glu
GROUP=root
HOME=/srv/httpd
HOST=5cb18c391f9b
HOSTTYPE=x86_64-linux
HTTP_ACCEPT=*/*
HTTP_ACCEPT_ENCODING=gzip, br, zstd, deflate
HTTP_CONNECTION=Keep-Alive
HTTP_HOST=cds:8082
HTTP_USER_AGENT=Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_X_FORWARDED_FOR=3.149.253.148
HTTP_X_FORWARDED_HOST=viz-beta.u-strasbg.fr
HTTP_X_FORWARDED_SERVER=viz-beta.u-strasbg.fr
LC_ALL=C
LD_LIBRARY_PATH=/srv/httpd/../lib:/srv/lib:/usr/local/lib:/usr/lib
LOGNAME=root
MACHTYPE=x86_64
METADB=metaviz@VIZIR asu asu4VizieR
MOCCMD=mocset query /srv/httpd/mocs/mocset10.bin cone -p 5 
NEWS=/VizieR/+news.htx
OSTYPE=linux
PATH=/srv/httpd/bin:/usr/local/bin:/usr/bin:/bin
PATH_INFO=/
PWD=/srv/httpd/cgi
QMOCCMD=.ext-tsv/qat2s_asu --out.form tsv --noheader --out.max=999999999 --source=%s --moc=%s --out='!/_((RA)|(DE))J2000|recno/'
QUERY_STRING=-source=J%2FApJ%2F872%2F118
REMOTE_ADDR=130.79.128.30
REMOTE_PORT=47484
REQUEST_METHOD=GET
REQUEST_SCHEME=http
REQUEST_URI=/local/viz-bin/VizieR-3?-source=J%2FApJ%2F872%2F118
SCRIPT_FILENAME=/srv/httpd/local/cgi/VizieR-3
SCRIPT_NAME=/local/viz-bin/VizieR-3
SERVER_ADDR=172.17.0.2
SERVER_ADMIN=gilles.landais@astro.u-strasbg.fr
SERVER_NAME=cds
SERVER_PORT=8082
SERVER_PROTOCOL=HTTP/1.1
SERVER_SIGNATURE=
SERVER_SOFTWARE=Apache/2.4.57 (Unix)
SESAME_SERVER=glu
SHLVL=1
USER=root
VENDOR=unknown
VSEARCH_HOST=cdsarc.cds.unistra.fr
VSEARCH_REDIRECT=http://cdsarc.cds.unistra.fr
Vaccess=*
Vprog=/srv/httpd/bin/vizier
Vprog_ls=-rwxr-xr-x 1 root root 963656 Mar 12 13:03 /srv/httpd/bin/vizier
Vroot=/srv/httpd

################################################################
....(in): -source=J/ApJ/872/118
################################################################

....Trying '/srv/httpd/interfaces' => OK
....Trying '/srv/httpd/interfaces' => 3
....db1_interfaces(/srv/httpd/interfaces)
----db1_open(metaviz@VIZIR) gives: 0
----Open server: 130.79.128.5, port 5432 (type postgres base vizier)
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAdba'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAtab'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAcol'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAcat'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAmor'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAdic'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAdig'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAfam'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAucd'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select      METAcol.name as name, METAcol.dbname as dbname, METAcol.length as length      from METAcol, METAtab      where METAcol.catid=0 and METAtab.catid=0 and METAcol.tabid = METAtab.tabid      and METAtab.name = 'METAauth'
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select MAX(dbaid) as nlogins from METAdba
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select MAX(famid) as mUCD1 from METAfam
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=1
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=179
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=321
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=1247
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=109
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=952
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=475
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=288
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=950
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=1326
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=299
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=97
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=166
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=112
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=930
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=741
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=934
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=731
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=932
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=742
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=473
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=543
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=545
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=84
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=530
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=249
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=1165
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select ucdid, name, class, explain From METAucd where ucdid=248
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1743740435]   Select famid, name, explain From METAfam where famid=1135
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=J/ApJ/913/120
     [u] -ref=VIZ67ef5e133c26d4
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

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