Ross 863

light-years

Catalog numbers:
     Gliese (Gl) 655, Giclas (G) 170-17, Luyten Half-Second (LHS) 5324, Hipparcos Input Catalog (HIC) 83762, Ross 863
Arity: singular
Right Ascension and Declination: 17h7m7.477s, +21°33'14.81" (epoch 2000.0)
Distance from Sol: 44.1 light-years (13.5 parsecs)
Standard error in distance: 3.9116%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -9.38, -39.9, 16.2
Galactic (X,Y,Z) coordinates in ly: 27.7, 25.4, 23.1
Proper motion: 0.481 arcsec/yr (268.6° from north)
Radial Velocity: -49.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -34.8, -47.2, -1.66

What do all these fields mean?


Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.61
Absolute visual magnitude: +10.95
Visual luminosity: 0.0036 x Sol
Color indices: B-V= +1.56, U-B= +1.30, R-I= +1.06
Comfort Zone (visual): 0.060 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.