Wolf 294


Catalog numbers:
     Gliese (Gl) 251, Henry Draper Extension (HDE) 265866, Wolf 294, Giclas (G) 87-12, Luyten Half-Second (LHS) 1879, Hipparcos Input Catalog (HIC) 33226, Vyssotsky McCormick (McC) 482, Catalogue Astrographique (AC) +3325644
Arity: singular
Right Ascension and Declination: 6h51m35s, +33°20'18" (epoch 1950.0)
Distance from Sol: 18.0 light-years (5.52 parsecs)
Standard error in distance: 1.028%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -3.35, 14.6, 9.89
Galactic (X,Y,Z) coordinates in ly: -17.3, -0.89, 4.70
Proper motion: 0.851 arcsec/yr (242.3° from north)
Radial Velocity: 22.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -27.8, -3.21, -15.4

What do all these fields mean?

Spectral class: M3n
Luminosity Class: V
Apparent visual magnitude: +9.89
Absolute visual magnitude: +11.18
Visual luminosity: 0.0029 x Sol
Color indices: B-V= +1.57, U-B= +1.21, R-I= +1.11
Mass: 0.49 x Sol
Diameter: 0.41 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.054 A.U.s
Orbital period in CZ: 6.57232 days
Tidal index in CZ: 3088.47
Angular size of star in sky in CZ: 4.037543 degrees

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