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I/238A/picat Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
The data file (8994 rows)
  GCTP=4098
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ColumnValue  Explain   (UCD)
6470recno 6470  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

f_GCTP*   [*] Indicates a note in file "errata.dat" (meta.code)
GCTP4098.00  Catalog number (Note)   (meta.id;meta.main)
comp   Double star component (Note)   (meta.code.multip)
RA190017 52 54.0 "h:m:s" Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900+04 25 00 "d:m:s" Declination degrees (1900.0) (pos.eq.dec;meta.main)
u_RA1900:   [:C] : = lower precision position (Note)   (meta.code.error;pos.eq.ra)
Vmag 9.54 mag V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag   P indicates blue passband (meta.note)
B-V 1.74 mag B-V color (phot.color;em.opt.B;em.opt.V)
U-B 1.17 mag U-B color (phot.color;em.opt.U;em.opt.B)
r_Vmag7  Source code for photometry (meta.ref;pos.frame)
MKM5 V  Spectral type (Note)   (src.spType)
r_MKS  Source code for spectral type (meta.ref;pos.frame)
varNSV 9910  Variable star name (Note)   (meta.id)
HR   HR number (Note)   (meta.id)
supp    [S] S=in Hoffleit BSS Cat. V/36 (meta.note)
HD   HD number and component (meta.id)
DMB+04 3561a  DM identification and component (Note)   (meta.id)
nameBarnard sta  Star name (meta.id)
pm10.310 arcsec/yr Total Proper motion (pos.pm)
pmPA356 deg Proper motion position angle (pos.posAng;pos.pm)
pi 0.5456 arcsec Weighted absolute parallax (pos.parallax.trig)
e_pi 1.3 mas Standard error of parallax (stat.error)
q_piG   [ GFPX]Quality of interagreement (Note)   (meta.code.qual)
o_pi13  Number of parallax observations (Note)   (meta.number)

SimbadSimbad  SIMBAD data for this star (meta.ref.url)
_RA.icrs17 57 50.5 "h:m:s" Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+04 41 31 "d:m:s" Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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