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I/238A/picat Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
The data file (8994 rows)
  GCTP=1577
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ColumnValue  Explain   (UCD)
2568recno 2568  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)
GCTP1577.00  Catalog number (Note)   (meta.id;meta.main)
compA  Double star component (Note)   (meta.code.multip)
RA190006 40 44.5 "h:m:s" Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900-16 34 43 "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-1.46 mag V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag   P indicates blue passband (meta.note)
B-V 0.00 mag B-V color (phot.color;em.opt.B;em.opt.V)
U-B-0.05 mag U-B color (phot.color;em.opt.U;em.opt.B)
r_Vmag8  Source code for photometry (meta.ref;pos.frame)
MKA1 Vm  Spectral type (Note)   (src.spType)
r_MK4  Source code for spectral type (meta.ref;pos.frame)
var   Variable star name (Note)   (meta.id)
HR2491  HR number (Note)   (meta.id)
supp    [S] S=in Hoffleit BSS Cat. V/36 (meta.note)
HD 48915  HD number and component (meta.id)
DMB-16 1591A  DM identification and component (Note)   (meta.id)
nameALP CMa  Star name (meta.id)
pm 1.328 arcsec/yr Total Proper motion (pos.pm)
pmPA204 deg Proper motion position angle (pos.posAng;pos.pm)
pi 0.3816 arcsec Weighted absolute parallax (pos.parallax.trig)
e_pi 2.2 mas Standard error of parallax (stat.error)
q_piG   [ GFPX]Quality of interagreement (Note)   (meta.code.qual)
o_pi 9  Number of parallax observations (Note)   (meta.number)

SimbadSimbad  SIMBAD data for this star (meta.ref.url)
_RA.icrs06 45 08.8 "h:m:s" Right Ascension (default ICRS column added by CDS) (pos.eq.ra)
_DE.icrs-16 42 57 "d:m:s" Declination (default ICRS column added by CDS) (pos.eq.dec)
ColumnValue  Explain   (UCD)
2569recno 2569  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)
GCTP1577.00  Catalog number (Note)   (meta.id;meta.main)
compB  Double star component (Note)   (meta.code.multip)
RA190006 40 42.0 "h:m:s" Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900-16 35 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 8.44 mag V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag   P indicates blue passband (meta.note)
B-V-0.03 mag B-V color (phot.color;em.opt.B;em.opt.V)
U-B-1.04 mag U-B color (phot.color;em.opt.U;em.opt.B)
r_VmagG  Source code for photometry (meta.ref;pos.frame)
MKDA2  Spectral type (Note)   (src.spType)
r_MKW  Source code for spectral type (meta.ref;pos.frame)
var   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-16 1591B  DM identification and component (Note)   (meta.id)
name   Star name (meta.id)
pm  arcsec/yr Total Proper motion (pos.pm)
pmPA  deg Proper motion position angle (pos.posAng;pos.pm)
pi  arcsec Weighted absolute parallax (pos.parallax.trig)
e_pi  mas Standard error of parallax (stat.error)
q_pi    [ GFPX]Quality of interagreement (Note)   (meta.code.qual)
o_pi   Number of parallax observations (Note)   (meta.number)

SimbadSimbad  SIMBAD data for this star (meta.ref.url)
_RA.icrs06 45 10.2 "h:m:s" Right Ascension (default ICRS column added by CDS) (pos.eq.ra)
_DE.icrs-16 41 13 "d:m:s" Declination (default ICRS column added by CDS) (pos.eq.dec)
  
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