Bonner Durchmusterung +12°4499

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1259, Bonner Durchmusterung (BD) +12°4499, Giclas (G) 144-44, Luyten Half-Second (LHS) 3598, Hipparcos Input Catalog (HIC) 103256, Smithsonian Astrophysical Observatory (SAO) 106650, Vyssotsky McCormick (McC) 827
Arity: singular
Right Ascension and Declination: 20h55m6.866s, +13°10'36.39" (epoch 2000.0)
Distance from Sol: 74.1 light-years (22.7 parsecs)
Standard error in distance: 2.631%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 49.9, -52.1, 16.9
Galactic (X,Y,Z) coordinates in ly: 33.9, 60.6, -25.7
Proper motion: 0.676 arcsec/yr (55.2° from north)
Radial Velocity: -40 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -82.4, -6.30, -8.33

What do all these fields mean?


Spectral class: K3
Luminosity Class: V
Apparent visual magnitude: +8.82
Absolute visual magnitude: +7.04
Visual luminosity: 0.13 x Sol
Color indices: B-V= +1.05, U-B= +1.05, R-I= +0.42
Comfort Zone (visual): 0.36 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.