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/454/151
  OB Associations of the Northern Milky Way (Massey+ 1995)
ReadMe+ftp
1995ApJ...454..151M
Similar Catalogs
[METAcat] [METAcells] [stats]
Post annotation 		img(gal)
1.J/ApJ/454/151/ngc6823Catalog data for NGC 6823/Vul OB1 (744 rows) (released 1997-12-09)
[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)
  RA2000 "h:m:s" (i) Right ascension, 2000 (pos.eq.ra;meta.main)
  DE2000 "d:m:s" (n)(i) Declination sign (pos.eq.dec;meta.main)
  Vmag mag V magnitude (phot.mag;em.opt.V)
  u_Vmag (char) V uncertainty flag (meta.code.error)
  B-V mag B-V color (Note 1)   (phot.color;em.opt.B;em.opt.V)
  u_B-V (char) B-V uncertainty flag (meta.code.error)
  U-B mag U-B color (Note 1)   (phot.color;em.opt.U;em.opt.B)
  u_U-B (char) U-B uncertainty flag (meta.code.error)
  SpNew (char) Newly determined spectral type, if any (src.spType)
  ID (char) Other identification, if any (meta.id)
  SpLit (char) Spectral type from the literature, if any (src.spType)

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 (2025-08-25T15:09:33)
-3
-source=J/ApJ/454/151/ngc6823
-ref=VIZ68ac7cae1425a6
elapse time 1

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
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   select k.catid,k.kwdid from METAkwd k,T2 t where k.catid=t.id and ((-1*kwdid)<(select min(kwdno_min*1) from METAkwcat where name in ('Astronomy')) or  (-1*kwdid)>(select max(kwdno_max*1) from METAkwcat where name in ('Astronomy'))) order by catid
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select name, dbname, catid, tabid, flags, equinox, epoch, explain, dbaid, cooframe, release, records, notid, comment, status, cooprec, morexplain From METAtab where name = 'METAkwdef' and catid in (select catid from METAcat where catid=METAtab.catid and (authid=0))
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select catid, morid, text From METAmor where catid=0 order by morid
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select name, dbname, catid, tabid, famid, type, dbtype, length, flags, fmt, unit, dbunit, explain, colid, notid, morid, ucdid, vounit, morexplain From METAcol where catid=0 and  tabid=11 order by colid
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   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 = 'METAfilter'
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   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 = 'METAsed'
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select famid, name, explain From METAfam where famid=102
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select ucdid, name, class, explain From METAucd where ucdid=101
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select ucdid, name, class, explain From METAucd where ucdid=934
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select famid, name, explain From METAfam where famid=688
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select ucdid, name, class, explain From METAucd where ucdid=935
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select famid, name, explain From METAfam where famid=714
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select ucdid, name, class, explain From METAucd where ucdid=323
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select famid, name, explain From METAfam where famid=1331
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select ucdid, name, class, explain From METAucd where ucdid=74
----db1_reset(0 'metaviz@VIZIR')
----db1_query(0 'metaviz@VIZIR'):
[1756134574]   Select famid, name, explain From METAfam where famid=177
----db1_reset(0 'metaviz@VIZIR')
----inherit(u=used, h=hidden):
     [u] +source=J/ApJ/454/151/ngc6823
     [u] -ref=VIZ68ac7cae1425a6
====inherit(): added 0 hidden fields
----free temporary files
----db1_close(0 'metaviz@VIZIR')
----db1_close(1 'metaviz@VIZIR')
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