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I/311/hip2 Hipparcos, the New Reduction (van Leeuwen, 2007)
The Astrometric Catalogue (117955 rows)
  recno=4301
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ColumnValue  Explain   (UCD)
_RAJ200000 55 11.8900364 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-47 24 21.475609 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 52 55.5927501 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-47 40 27.336913 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon301.0964405397 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-69.7093112861 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
4301recno 4301  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 4311  (i) 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 1   [0,159] Solution type new reduction (Note 1)   (meta.id;stat.fit)
So2   [0,5] Solution type old reduction (Note 2)   (meta.id;stat.fit)
Nc1  Number of components (meta.number)
RArad013.79982962 deg (i) Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main)
e_RArad 0.41 mas Formal error on RArad (stat.error)
DErad-47.40553264 deg (i) Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main)
e_DErad 0.41 mas Formal error on DErad (stat.error)
Plx 18.62 mas Parallax (pos.parallax)
e_Plx 0.66 mas Formal error on Plx (stat.error;pos.parallax)
pmRA -80.14 mas/yr Proper motion in Right Ascension (pos.pm;pos.eq.ra)
e_pmRA 0.55 mas/yr Formal error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -178.07 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.49 mas/yr Formal error on pmDE (stat.error;pos.pm;pos.eq.dec)
Ntr192  Number of field transits used (meta.id;obs.field)
F2 0.70  Goodness of fit (stat.fit.goodness)
F1 0 % Percentage rejected data (stat.value;arith.ratio)
var 2.3  Cosmic dispersion added (stochastic solution) (stat.fit.residual)
Hpmag 6.8394 mag Hipparcos magnitude (phot.mag;em.opt.V)
e_Hpmag 0.0006 mag Error on mean Hpmag (stat.error;phot.mag;em.IR.H)
sHp 0.011 mag Scatter of Hpmag (stat.error)
VA0   [0,2] Reference to variability annex (meta.note)
B-V 0.500 mag Colour index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.004 mag Formal error on colour index (stat.error;phot.color;em.opt.B)
V-I 0.570 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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