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I/311/hip2 Hipparcos, the New Reduction (van Leeuwen, 2007)
The Astrometric Catalogue (117955 rows)
  recno=21901
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ColumnValue  Explain   (UCD)
_RAJ200004 43 07.1859262 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-07 24 42.099033 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 40 41.6894396 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-07 30 17.007492 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon204.4474162215 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-31.8394534550 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
21901recno 21901  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 21955  (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 15   [0,159] Solution type new reduction (Note 1)   (meta.id;stat.fit)
So3   [0,5] Solution type old reduction (Note 2)   (meta.id;stat.fit)
Nc2  Number of components (meta.number)
RArad070.77994058 deg (i) Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main)
e_RArad 2.60 mas Formal error on RArad (stat.error)
DErad-07.41169014 deg (i) Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main)
e_DErad 1.91 mas Formal error on DErad (stat.error)
Plx 2.90 mas Parallax (pos.parallax)
e_Plx 2.52 mas Formal error on Plx (stat.error;pos.parallax)
pmRA 0.32 mas/yr Proper motion in Right Ascension (pos.pm;pos.eq.ra)
e_pmRA 3.64 mas/yr Formal error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -1.66 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 3.05 mas/yr Formal error on pmDE (stat.error;pos.pm;pos.eq.dec)
Ntr 80  Number of field transits used (meta.id;obs.field)
F2 2.92  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 8.8512 mag Hipparcos magnitude (phot.mag;em.opt.V)
e_Hpmag 0.0022 mag Error on mean Hpmag (stat.error;phot.mag;em.IR.H)
sHp 0.015 mag Scatter of Hpmag (stat.error)
VA2   [0,2] Reference to variability annex (meta.note)
B-V 0.246 mag Colour index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.023 mag Formal error on colour index (stat.error;phot.color;em.opt.B)
V-I 0.280 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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