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I/311/hip2 Hipparcos, the New Reduction (van Leeuwen, 2007)
The Astrometric Catalogue (117955 rows)
  recno=1472
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ColumnValue  Explain   (UCD)
_RAJ200000 18 22.885 "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+44 01 22.63 "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)
_RAB195000 15 31.015 "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+43 44 22.76 "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)
_Glon116.6694 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-18.4470 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)
1472recno 1472  Record number within the original table (starting from 1) (meta.record)

HIP 1475  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)
RArad004.58559072 deg Right Ascension in ICRS, Ep=1991.25 (pos.eq.ra;meta.main)
e_RArad 0.52 mas Formal error on RArad (stat.error)
DErad+44.02195596 deg Declination in ICRS, Ep=1991.25 (pos.eq.dec;meta.main)
e_DErad 0.40 mas Formal error on DErad (stat.error)
Plx 278.76 mas Parallax (pos.parallax)
e_Plx 0.77 mas Formal error on Plx (stat.error;pos.parallax)
pmRA 2888.92 mas/yr Proper motion in Right Ascension (pos.pm;pos.eq.ra)
e_pmRA 0.60 mas/yr Formal error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 410.10 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)
Ntr145  Number of field transits used (meta.id;obs.field)
F2-1.53  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 8.1451 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 0.018 mag Scatter of Hpmag (stat.error)
VA0   [0,2] Reference to variability annex (meta.note)
B-V 1.560 mag Colour index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.040 mag Formal error on colour index (stat.error;phot.color;em.opt.B)
V-I 2.480 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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