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I/238A
 Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
Post annotation
img(gal)
1.I/238A/picat(c)The data file (8994 rows)
2.I/238A/sourceExplanation of the source codes (58 rows)
3.I/238A/errata*Corrections and additions by Erkki U. Vilkki (Note) (2132 rows)

 
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)
  (1)f_GCTP (char) [*] Indicates a note in file "errata.dat" (meta.code)
   (1+3)GCTP  Catalog number (Note)   (meta.id;meta.main)
  (1)comp (char) Double star component (Note)   (meta.code.multip)
  (1)RA1900 "h:m:s" (n)Right ascension hours (1900.0) (pos.eq.ra;meta.main)
  (1)DE1900 "d:m:s" (n)Declination degrees (1900.0) (pos.eq.dec;meta.main)
  (1)u_RA1900 (char) [:C] : = lower precision position (Note)   (meta.code.error;pos.eq.ra)
  (1)Vmag mag (n)V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
  (1)n_Vmag (char) P indicates blue passband (meta.note)
  (1)B-V mag (n)B-V color (phot.color;em.opt.B;em.opt.V)
  (1)U-B mag (n)U-B color (phot.color;em.opt.U;em.opt.B)

ALL cols
    
(n) indicates a possible blank or NULL column  
  (1)r_Vmag (char) Source code for photometry (meta.ref;pos.frame)
  (1)MK (char) Spectral type (Note)   (src.spType)
  (1)r_MK (char) Source code for spectral type (meta.ref;pos.frame)
  (1)var (char) Variable star name (Note)   (meta.id)
  (1)HR  (n)HR number (Note)   (meta.id)
  (1)supp (char) [S] S=in Hoffleit BSS Cat. V/36 (meta.note)
  (1)HD (char) HD number and component (meta.id)
  (1)DM (char) DM identification and component (Note)   (meta.id)
  (1)name (char) Star name (meta.id)
  (1)pm arcsec/yr(n)Total Proper motion (pos.pm)
  (1)pmPA deg (n)Proper motion position angle (pos.posAng;pos.pm)
  (1)pi arcsec (n)Weighted absolute parallax (pos.parallax.trig)
  (1)e_pi mas (n)Standard error of parallax (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column  
  (1)q_pi (char) [ GFPX]Quality of interagreement (Note)   (meta.code.qual)
  (1)o_pi  (n)Number of parallax observations (Note)   (meta.number)
  (1)Simbad (char) SIMBAD data for this star (meta.ref.url)
  (1)_RA.icrs "h:m:s" (n)Right Ascension (default ICRS column added by CDS) (pos.eq.ra)
  (1)_DE.icrs "d:m:s" (n)Declination (default ICRS column added by CDS) (pos.eq.dec)
  (2)type (char) [ubvsp ] type of source, "ubv" or "sp" (meta.code)
  (2)code (char) Code for source (ubv or sp) (meta.code)
  (2)source (char) Source reference. (meta.bib)
  (3)m_GCTP (char) Multicplicity index on GCTP (meta.code.multip)
  (3)Text (char) Text of note (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column  
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