Bonner Durchmusterung +3°2279

light-years

Catalog numbers:
     Gliese (Gl) 371, Henry Draper (HD) 85488, Bonner Durchmusterung (BD) +3°2279, Hipparcos Input Catalog (HIC) 48411, Smithsonian Astrophysical Observatory (SAO) 117958, Vyssotsky McCormick (McC) 558
Arity: singular
Right Ascension and Declination: 9h52m11.3s, +3°13'18.2" (epoch 2000.0)
Distance from Sol: 68.4 light-years (21.0 parsecs)
Standard error in distance: 3.1085%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -57.9, 36.1, 3.84
Galactic (X,Y,Z) coordinates in ly: -29.5, -42.0, 45.2
Proper motion: 0.44 arcsec/yr (270.7° from north)
Radial Velocity: 21.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -43.5, -18.1, -12.6

What do all these fields mean?


Spectral class: M0p
Luminosity Class: V
Apparent visual magnitude: +8.86
Absolute visual magnitude: +7.26
Visual luminosity: 0.11 x Sol
Color indices: B-V= +1.23, U-B= +1.21, R-I= +0.47
Diameter: 0.63 x Sol
Comfort Zone (visual): 0.33 A.U.s
Angular size of star in sky in CZ: 1.017207 degrees

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