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I/311/hip2 Hipparcos, the New Reduction (van Leeuwen, 2007)
The Astrometric Catalogue (117955 rows)
  recno=56325
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ColumnValue  Explain   (UCD)
_RAJ200011 35 03.753 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+20 26 29.57 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195011 32 27.346 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+20 43 05.14 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon229.7990 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat+71.3193 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)
56325recno 56325  Record number within the original table (starting from 1) (meta.record)

HIP 56508  Hipparcos identifier (meta.id;meta.main)

n_HIP   Existence of a note in the first version of Hipparcos catalog on Duplicity, Photometry or a General note; letters W, X, Y, Z indicate notes on several topics (field H70 of the 1997 edition, Cat. I/239) (meta.note)

Sn 5   [0,159] Solution type new reduction (Note 1)   (meta.id;stat.fit)
So0   [0,5] Solution type old reduction (Note 2)   (meta.id;stat.fit)
Nc1  Number of components (meta.number)
RArad173.76579319 deg Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main)
e_RArad 0.45 mas Formal error on RArad (stat.error)
DErad+20.44154838 deg Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main)
e_DErad 0.38 mas Formal error on DErad (stat.error)
Plx 8.18 mas Parallax (pos.parallax)
e_Plx 0.50 mas Formal error on Plx (stat.error;pos.parallax)
pmRA -59.23 mas/yr Proper motion in Right Ascension (pos.pm;pos.eq.ra)
e_pmRA 0.51 mas/yr Formal error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -0.33 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.48 mas/yr Formal error on pmDE (stat.error;pos.pm;pos.eq.dec)
Ntr 54  Number of field transits used (meta.id;obs.field)
F2 2.06  Goodness of fit (stat.fit.goodness)
F1 0 % Percentage rejected data (stat.value;arith.ratio)
var 0.0  Cosmic dispersion added (stochastic solution) (stat.fit.residual)
Hpmag 6.6128 mag Hipparcos magnitude (phot.mag;em.opt.V)
e_Hpmag 0.0010 mag Error on mean Hpmag (stat.error;phot.mag;em.IR.H)
sHp 0.008 mag Scatter of Hpmag (stat.error)
VA0   [0,2] Reference to variability annex (meta.note)
B-V 1.010 mag Colour index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.015 mag Formal error on colour index (stat.error;phot.color;em.opt.B)
V-I 0.950 mag V-I colour index (phot.color;em.opt.V;em.opt.I)

HIP1HIP1  Data from the first edition of the Hipparcos Catalog (1997, Cat. I/239) (meta.ref.url)
PhotPhot  Hipparcos Epoch Photometry (Plot and List) from the 1997 edition (meta.ref.url)
  
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