Bonner Durchmusterung -1°4323

light-years

Catalog numbers:
     Gliese (Gl) 864, Henry Draper (HD) 214100, Bonner Durchmusterung (BD) -1°4323, Luyten Half-Second (LHS) 3833, Hipparcos Input Catalog (HIC) 111571, Vyssotsky McCormick (McC) 843
Arity: singular
Right Ascension and Declination: 22h36m9.651s, +0°50'28.83" (epoch 2000.0)
Distance from Sol: 57.2 light-years (17.5 parsecs)
Standard error in distance: 3.0097%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 53.4, -20.5, 0.84
Galactic (X,Y,Z) coordinates in ly: 13.9, 36.1, -42.1
Proper motion: 0.607 arcsec/yr (175.0° from north)
Radial Velocity: 10.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 23.4, -31.1, -33.8

What do all these fields mean?


Spectral class: M1
Luminosity Class: V
Apparent visual magnitude: +9.98
Absolute visual magnitude: +8.76
Visual luminosity: 0.027 x Sol
Color indices: B-V= +1.44, U-B= +1.18, R-I= +0.77
Diameter: 0.62 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.16 A.U.s
Angular size of star in sky in CZ: 2.003675 degrees

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