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I/311/hip2 Hipparcos, the New Reduction (van Leeuwen, 2007)
The Astrometric Catalogue (117955 rows)
  recno=21764
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ColumnValue  Explain   (UCD)
_RAJ200004 41 18.856 "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 54 05.45 "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 38 22.030 "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 48 34.78 "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)
_Glon178.1723 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-16.5235 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)
21764recno 21764  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 21818  Hipparcos identifier (meta.id;meta.main)

n_HIPP  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)
RArad070.32917268 deg Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main)
e_RArad 1.02 mas Formal error on RArad (stat.error)
DErad+20.90213071 deg Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main)
e_DErad 0.55 mas Formal error on DErad (stat.error)
Plx 75.82 mas Parallax (pos.parallax)
e_Plx 1.14 mas Formal error on Plx (stat.error;pos.parallax)
pmRA -232.38 mas/yr Proper motion in Right Ascension (pos.pm;pos.eq.ra)
e_pmRA 1.05 mas/yr Formal error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -254.28 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.69 mas/yr Formal error on pmDE (stat.error;pos.pm;pos.eq.dec)
Ntr 72  Number of field transits used (meta.id;obs.field)
F2 1.21  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 8.2236 mag Hipparcos magnitude (phot.mag;em.opt.V)
e_Hpmag 0.0050 mag Error on mean Hpmag (stat.error;phot.mag;em.IR.H)
sHp 0.046 mag Scatter of Hpmag (stat.error)
VA2   [0,2] Reference to variability annex (meta.note)
B-V 1.092 mag Colour index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.005 mag Formal error on colour index (stat.error;phot.color;em.opt.B)
V-I 1.160 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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