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=7764
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ColumnValue  Explain   (UCD)
_RAJ200020 53 18.524 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+45 10 53.50 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 51 33.570 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+44 59 28.58 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon085.519618 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 +0.307791 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)
7764recno 7764  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)
GCTP4998.00  (i) Catalog number (Note)   (meta.id;meta.main)
comp   Double star component (Note)   (meta.code.multip)
RA190020 49 48.8 "h:m:s" (i) Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900+44 48 09 "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 5.45 mag V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag   P indicates blue passband (meta.note)
B-V 1.10 mag B-V color (phot.color;em.opt.B;em.opt.V)
U-B 0.93 mag U-B color (phot.color;em.opt.U;em.opt.B)
r_Vmag8  Source code for photometry (meta.ref;pos.frame)
MKK0 II  Spectral type (Note)   (src.spType)
r_MK4  Source code for spectral type (meta.ref;pos.frame)
varNSV13391  Variable star name (Note)   (meta.id)
HR8003  HR number (Note)   (meta.id)
supp    [S] S=in Hoffleit BSS Cat. V/36 (meta.note)
HD199098  HD number and component (meta.id)
DMB+44 3617  DM identification and component (Note)   (meta.id)
name   Star name (meta.id)
pm 0.017 arcsec/yr Total Proper motion (pos.pm)
pmPA 73 deg Proper motion position angle (pos.posAng;pos.pm)
pi-0.0070 arcsec Weighted absolute parallax (pos.parallax.trig)
e_pi 9.8 mas Standard error of parallax (stat.error)
q_pi    [ GFPX]Quality of interagreement (Note)   (meta.code.qual)
o_pi 1  Number of parallax observations (Note)   (meta.number)

SimbadSimbad  SIMBAD data for this star (meta.ref.url)
_RA.icrs20 53 18.5 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+45 10 53 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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