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I/311/hip2 Hipparcos, the New Reduction (van Leeuwen, 2007)
The Astrometric Catalogue (117955 rows)
  recno=20553
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ColumnValue  Explain   (UCD)
_RAJ200004 24 50.705 "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)
_DEJ2000-50 37 19.89 "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)
_RAB195004 23 31.870 "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)
_DEB1950-50 43 59.73 "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)
_Glon258.2811 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-43.5902 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)
20553recno 20553  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 20606  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)
RArad066.21152765 deg Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main)
e_RArad 0.48 mas Formal error on RArad (stat.error)
DErad-50.62184119 deg Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main)
e_DErad 0.46 mas Formal error on DErad (stat.error)
Plx 18.29 mas Parallax (pos.parallax)
e_Plx 0.53 mas Formal error on Plx (stat.error;pos.parallax)
pmRA -67.15 mas/yr Proper motion in Right Ascension (pos.pm;pos.eq.ra)
e_pmRA 0.59 mas/yr Formal error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -144.50 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.53 mas/yr Formal error on pmDE (stat.error;pos.pm;pos.eq.dec)
Ntr113  Number of field transits used (meta.id;obs.field)
F2 1.70  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 7.8277 mag Hipparcos magnitude (phot.mag;em.opt.V)
e_Hpmag 0.0013 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 0.722 mag Colour index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.009 mag Formal error on colour index (stat.error;phot.color;em.opt.B)
V-I 0.770 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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