VizieR

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VizieR

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I/238A/picat Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
The data file (8994 rows)
  recno=6921
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ColumnValue  Explain   (UCD)
_RAJ200019 02 39.836 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-29 52 25.60 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 59 28.970 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-29 56 49.51 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon006.850910 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-15.361459 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
6921recno 6921  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)
GCTP4415.00  (i) Catalog number (Note)   (meta.id;meta.main)
compB  Double star component (Note)   (meta.code.multip)
RA190018 56 18.0 "h:m:s" (i) Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900-30 01 00 "d:m:s" (i) Declination degrees (1900.0) (pos.eq.dec;meta.main)
u_RA1900:   [:C] : = lower precision position (Note)   (meta.code.error;pos.eq.ra)
Vmag 3.50 mag V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag   P indicates blue passband (meta.note)
B-V  mag B-V color (phot.color;em.opt.B;em.opt.V)
U-B  mag U-B color (phot.color;em.opt.U;em.opt.B)
r_VmagG  Source code for photometry (meta.ref;pos.frame)
MKA4 IV  Spectral type (Note)   (src.spType)
r_MK7  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)
DM   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.icrs19 02 39.8 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-29 52 26 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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