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I/246
 The ACT Reference Catalog (Urban+ 1997)
Post annotation
img(gal)
1.I/246/act Full ACT catalog, originally split into 48 files, each 30min wide (Note) (988758 rows)
Direct links to the Hipparcos and Tycho data (catalog I/239) are provided when relevant

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  RA(ICRS) "h:m:s" Right Ascension ICRS, Epoch=J2000.0 (hours) (pos.eq.ra;meta.main)
  DE(ICRS) "d:m:s" Declination ICRS, Epoch=J2000.0 (sign) (pos.eq.dec;meta.main)
  pmRA s/yr Proper Motion in RA, (sec of time/yr) (pos.pm;pos.eq.ra)
  pmDE arcsec/yrProper Motion in Dec, arcsec/yr) (pos.pm;pos.eq.dec)
  e_RAs mas (n)Stand. dev. of RA at Epoch 1991.25 from Tycho (T14) (stat.error)
  e_DEs mas (n)Stand. dev. of Dec at Epoch 1991.25 from Tycho (T15) (stat.error)
  e_pmRA mas/yr (n)Stand. dev. of Proper motion (RA), (stat.error)
  e_pmDE mas/yr (n)Stand. dev. of Proper motion (DE), (stat.error)
  BTmag mag (n)Blue magnitude from Tycho (T32) (phot.mag;em.opt.B)
  VTmag mag (n)Visual magnitude from Tycho (T34) (phot.mag;em.opt.V)

ALL cols
    
(n) indicates a possible blank or NULL column  
  B-V mag (n)Johnson B-V from Tycho (T37) (phot.color;em.opt.B;em.opt.V)
  flag1 (char) [X] Astrometric Quality flag (T10) (Note)   (meta.note)
  flag2 (char) [1-8] Quality flag (T40) (Note)   (meta.note)
  flag3 (char) [GN] Known variability flag (T47) (Note)   (meta.code;src.var)
  flag4 (char) [UVW] Variability from Tycho (T48) (Note)   (meta.code;src.var)
  flag5 (char) [YZ] Duplicity from Tycho (T49) (Note)   (meta.note)
  TYC (char) Tycho ID, embedded zeros for blanks (meta.id;meta.main)
  AC2000  AC 2000 Number (meta.id)
  BD (char) BD identifier (T54) (meta.id)
  CD (char) CD identifier (T55) (meta.id)
  CPD (char) CPD identifier (T56) (meta.id)
  HD  (n)Henry Draper Number (T53) (meta.id)
  HIP  (n)Hipparcos Number (T31) (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column  
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usage  Display UCD1+    UCD1  


The following problems were encountered in this VizieR run:
**** -bg is an obsolete option
**** -bg is an obsolete option
**** -bg is an obsolete option
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR10083.err (2014-08-30T16:12:07)
-2
-source=I/246
-ref=VIZ5401f7d72763
elapse time 0

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