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=7884
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ColumnValue  Explain   (UCD)
_RAJ200021 07 01.757 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+42 14 08.56 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 05 09.369 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+42 02 02.58 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon084.929438 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 -3.495450 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)
7884recno 7884  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)
GCTP5083.00  (i) Catalog number (Note)   (meta.id;meta.main)
comp   Double star component (Note)   (meta.code.multip)
RA190021 03 17.2 "h:m:s" (i) Right ascension hours (1900.0) (pos.eq.ra;meta.main)
DE1900+41 50 02 "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)
Vmag10.90 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_VmagO  Source code for photometry (meta.ref;pos.frame)
MKO VI  Spectral type (Note)   (src.spType)
r_MK2  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)
HD201272  HD number and component (meta.id)
DMB+41 4004  DM identification and component (Note)   (meta.id)
nameNGC 7027  Star name (meta.id)
pm 0.045 arcsec/yr Total Proper motion (pos.pm)
pmPA118 deg Proper motion position angle (pos.posAng;pos.pm)
pi 0.0096 arcsec Weighted absolute parallax (pos.parallax.trig)
e_pi13.4 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.icrs21 07 01.8 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+42 14 09 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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