Luyten 1159-16


Catalog numbers:
     Gliese (Gl) 83.1, Luyten Half-Second (LHS) 11 , Luyten (L) 1159-16
Arity: singular
Right Ascension and Declination: 1h57m28s, +12°50'6" (epoch 1950.0)
Distance from Sol: 14.6 light-years (4.47 parsecs)
Standard error in distance: 1.2792%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 12.4, 6.97, 3.24
Galactic (X,Y,Z) coordinates in ly: -8.48, 5.37, -10.6
Proper motion: 2.097 arcsec/yr (147.8° from north)
Radial Velocity: -31 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 14.5, -52.0, 4.71

What do all these fields mean?

Spectral class: M4.5e
Luminosity Class: V
Apparent visual magnitude: +12.28
Absolute visual magnitude: +14.03
Visual luminosity: 0.00021 x Sol
Color indices: B-V= +1.80
Mass: 0.089 x Sol
Comfort Zone (visual): 0.015 A.U.s
Orbital period in CZ: 2.15761 days
Tidal index in CZ: 28657.4

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