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/A+A/649/A81
  KiDSDR4 QSOs photometric redshifts catalog (Nakoneczny+, 2021)
ReadMe+ftp
2021A&A...649A..81N
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/A+A/649/A81/all*Catalog of all machine learning estimates (Note) (45469955 rows) (released 2023-10-09)
[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)
  KiDSDR4 (char) KiDSDR4 designation, KiDSDR4 JHHMMSS.sss+DDMMSS.ss (meta.id;meta.main)
  RAJ2000 deg (i) [0/360] Centroid sky position right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Centroid sky position declination (J2000) (pos.eq.dec;meta.main)
  rmag mag r-band GAaP magnitude with optimal MIN_APER (extinction corrected) (phot.mag;em.opt.R)
  ClassStar  SExtractor star-galaxy classifier (meta.id)
  Mask  9-band mask information (meta.code)
  PGalaxy  Probability that the source is a galaxy (stat.fit.goodness)
  PQSO  Probability that the source is a QSO (stat.fit.goodness)
  PStar  Probability that the source is a star (stat.fit.goodness)
  Class (char) Object class with the highest probability, GALAXY, QSO or STAR (src.class)
  zph  Photometric redshift (src.redshift)
  e_zph  Uncertainty of photometric redshift (stat.error)
  Subset (char) ML inference subset (Note 1)   (meta.note)

ALL cols		    
 (i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
.errorfile=/tmp/V-3.err (2025-08-24T01:08:09)
-3
-source=J/A+A/649/A81/all
-ref=VIZ68aa65fa3616a7
elapse time 1

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=b448cffa3102
HOSTTYPE=x86_64-linux
HTTP_ACCEPT=*/*
HTTP_ACCEPT_ENCODING=gzip, br, zstd, deflate
HTTP_CACHE_CONTROL=max-age=0
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_VIA=1.1 squid-proxy-5b5d847c96-l5qcg (squid/6.10)
HTTP_X_FORWARDED_FOR=10.3.175.99, 216.73.216.136
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%2FA%2BA%2F695%2FA131%2Ftableg1
REMOTE_ADDR=130.79.128.30
REMOTE_PORT=54178
REQUEST_METHOD=GET
REQUEST_SCHEME=http
REQUEST_URI=/local/viz-bin/VizieR-3?-source=J%2FA%2BA%2F695%2FA131%2Ftableg1
SCRIPT_FILENAME=/srv/httpd/local/cgi/VizieR-3
SCRIPT_NAME=/local/viz-bin/VizieR-3
SERVER_ADDR=172.17.0.3
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 963736 Jun 11 08:12 /srv/httpd/bin/vizier
Vroot=/srv/httpd

################################################################
....(in): -source=J/A+A/695/A131/tableg1
################################################################

....Trying '/srv/httpd/interfaces' => OK
....Trying '/srv/httpd/interfaces' => 3
....db1_interfaces(/srv/httpd/interfaces)
----db1_query(0 'metaviz@VIZIR'):
[1755997690]   Select ucdid, name, class, explain From METAucd where ucdid=80
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1755997690]   Select famid, name, explain From METAfam where famid=188
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=J/A+A/649/A81/all
     [u] -ref=VIZ68aa65fa3616a7
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
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