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=7655
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ColumnValue  Explain   (UCD)
_RAJ200020 39 38.263 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.24 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.833 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 04.27 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.302416 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-15.318801 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)
7655recno 7655  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)
GCTP4923.00  (i) Catalog number (Note)   (meta.id;meta.main)
compA  Double star component (Note)   (meta.code.multip)
RA190020 34 59.5 "h:m:s" (i) Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900+15 33 33 "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 3.77 mag V magnitude or other magnitude (Note)   (phot.mag;em.opt.V)
n_Vmag   P indicates blue passband (meta.note)
B-V-0.06 mag B-V color (phot.color;em.opt.B;em.opt.V)
U-B-0.21 mag U-B color (phot.color;em.opt.U;em.opt.B)
r_Vmag8  Source code for photometry (meta.ref;pos.frame)
MKB9 IV  Spectral type (Note)   (src.spType)
r_MK4  Source code for spectral type (meta.ref;pos.frame)
varNSV13207  Variable star name (Note)   (meta.id)
HR7906  HR number (Note)   (meta.id)
supp    [S] S=in Hoffleit BSS Cat. V/36 (meta.note)
HD196867  HD number and component (meta.id)
DMB+15 4222  DM identification and component (Note)   (meta.id)
nameALP Del  Star name (meta.id)
pm 0.065 arcsec/yr Total Proper motion (pos.pm)
pmPA 90 deg Proper motion position angle (pos.posAng;pos.pm)
pi 0.0048 arcsec Weighted absolute parallax (pos.parallax.trig)
e_pi 7.5 mas Standard error of parallax (stat.error)
q_piG   [ GFPX]Quality of interagreement (Note)   (meta.code.qual)
o_pi 2  Number of parallax observations (Note)   (meta.number)

SimbadSimbad  SIMBAD data for this star (meta.ref.url)
_RA.icrs20 39 38.3 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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