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

  
II/258
  Hubble Ultra Deep Field Catalog (UDF) (STScI, 2004)
ReadMe+ftp
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.II/258/udf-i(c)The Ultra-Deep Field Catalog from F775W image (10179 rows) (released 2018-02-01)
[METAtab] [METAcola]
2.II/258/udf-z(c)The Ultra-Deep Field Catalog from F850LP image (7016 rows) (released 2018-02-01)
[METAtab] [METAcola]
in Simbad, these sources a numbered from 30000, e.g. source #7 is 30007 in Simbad
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)UDF  Running number (Note G1)   (meta.id;meta.main)
   (ALL)Xpos pix Position of the source (toward East) (pos.cartesian.x;instr.det)
   (ALL)Ypos pix Position of the source (toward North) (pos.cartesian.y;instr.det)
   (ALL)RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)Theta deg [-90,+90] source orientation "Theta" (counterclockwise from the X-axis = PA-90) (pos.posAng)
   (ALL)ell  Ellipticity (1-b/a) (src.ellipticity)
   (ALL)R50 pix Half-light radius (phys.angSize;src)
   (ALL)FWHM pix FWHM of a Gaussian fit to each source (phys.angSize;meta.modelled)
   (ALL)Sty  Stellarity (1 for point sources, 0 for fully resolved sources) (src.class.starGalaxy)

ALL cols		    
 (i)indexed column
   (ALL)Bmag mag (n) AB magnitude in F435W filter (Note 2)   (phot.mag;em.opt.B)
   (ALL)e_Bmag mag (n) Formal error on Bmag (stat.error;phot.mag;em.opt.B)
   (ALL)Bs/n  Signal to Noise ratio in F435W filter (stat.likelihood;obs)
   (ALL)Vmag mag (n) AB magnitude in F606W filter (Note 2)   (phot.mag;em.opt.R)
   (ALL)e_Vmag mag (n) Formal error on Vmag (stat.error;phot.mag;em.opt.V)
   (ALL)Vs/n  Signal to Noise ratio in F606W filter (stat.likelihood;obs)
   (ALL)imag mag (n) AB magnitude in F775W filter (Note 2)   (phot.mag;em.opt.I)
   (ALL)e_imag mag (n) Formal error on imag (stat.error;phot.mag;em.opt.I)
   (ALL)is/n  Signal to Noise ratio in F775W filter (stat.likelihood;obs)
   (ALL)zmag mag (n) AB magnitude in F850LP filter (Note 2)   (phot.mag;em.opt.I)
   (ALL)e_zmag mag (n) Formal error on zmag (stat.error;phot.mag;em.opt.I)
   (ALL)zs/n  Signal to Noise ratio in F850LP filter (stat.likelihood;obs)
   (ALL)Flags  SExtractor flags (Note 1)   (meta.code)

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 (2025-08-28T14:37:54)
-3
-source=II/258
-ref=VIZ68b069c2238164
elapse time 0

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

Contents of error file (/tmp/V-3.err):
-rwxr-xr-x 1 root root 963736 Jun 11 08:12 /srv/httpd/bin/vizier
vizier -- Version 7.5.1
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=934
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=625
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=348
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=120
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=357
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=90
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=326
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=932
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=634
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=933
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=931
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=644
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=643
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select ucdid, name, class, explain From METAucd where ucdid=62
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756391874]   Select famid, name, explain From METAfam where famid=105
----db1_reset(0 'metaviz@VIZIR')
----opt1= 8
----inherit(u=used, h=hidden):
     [u] +source=II/258
     [u] -ref=VIZ68b069c2238164
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

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