Ross 85

light-years

Catalog numbers:
     Gliese (Gl) 361, Giclas (G) 42-17, Luyten Half-Second (LHS) 2173, Hipparcos Input Catalog (HIC) 47513, Vyssotsky McCormick (McC) 551, Ross 85, Catalogue Astrographique (AC) +13°1301-119, Luyten FT (LFT) 670
Arity: singular
Right Ascension and Declination: 9h41m10.401s, +13°12'33.9" (epoch 2000.0)
Distance from Sol: 37.0 light-years (11.4 parsecs)
Standard error in distance: 2.199%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -29.6, 20.5, 8.46
Galactic (X,Y,Z) coordinates in ly: -20.0, -17.6, 25.7
Proper motion: 0.648 arcsec/yr (253.5° from north)
Radial Velocity: 11.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -27.8, -17.1, -16.8

What do all these fields mean?


Spectral class: M2e
Luminosity Class: V
Apparent visual magnitude: +10.38
Absolute visual magnitude: +10.11
Visual luminosity: 0.0079 x Sol
Color indices: B-V= +1.50, U-B= +1.25, R-I= +0.92
Comfort Zone (visual): 0.089 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.