Wei

light-years
Proper names: Wei, Epsilon Scorpii, 26 Scorpii
Catalog numbers:
     Hipparcos Input Catalog (HIC) 82396, New Suspected Variable (NSV) 7983, Cordoba Durchmusterung (CD) -34°11285, Cape Photographic Durchmusterung (CPD) -34°6635, Henry Draper (HD) 151680, Fifth Fundamental Catalogue (FK5) 628, Chopped Photometric Channel (CPC) 17 8806, Smithsonian Astrophysical Observatory (SAO) 208078, Gliese (Gl) 639.1, Luyten Half-Second (LHS) 3244
Arity: singular
Right Ascension and Declination: 16h50m9.82s, -34°17'35.72" (epoch 2000.0)
Distance from Sol: 65.5 light-years (20.1 parsecs)
Standard error in distance: 1.5989%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -16.2, -51.6, -36.9
Galactic (X,Y,Z) coordinates in ly: 64.0, -12.2, 6.83
Proper motion: 0.662 arcsec/yr (292.6° from north)
Radial Velocity: -2.5 km/sec
Source for proper motion and radial velocity: Hipparcos Input Catalog
Galactic (U,V,W) velocity components in km/s: -12.0, -16.0, 59.8

What do all these fields mean?


Spectral class: K2
Luminosity Class: IIIb
Apparent visual magnitude: +2.29
Absolute visual magnitude: +0.78
Visual luminosity: 42.6 x Sol
Color indices: B-V= +1.14
Diameter: 31 x Sol
Comfort Zone (visual): 6.52 A.U.s
Angular size of star in sky in CZ: 2.533178 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 25-April-2006.