Cincinatti obs. 20 582

light-years

Catalog numbers:
     Gliese (Gl) 397, Bonner Durchmusterung (BD) +46°1635, Giclas (G) 146-39, Luyten Half-Second (LHS) 2279, Hipparcos Input Catalog (HIC) 51525, Vyssotsky McCormick (McC) 32, Cincinatti obs. 20 (CI 20) 582, New Suspected Variable (NSV) 4880
Arity: singular
Right Ascension and Declination: 10h31m24.21s, +45°31'33.79" (epoch 2000.0)
Distance from Sol: 51.1 light-years (15.7 parsecs)
Standard error in distance: 1.8006%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -33.2, 13.5, 36.5
Galactic (X,Y,Z) coordinates in ly: -27.2, 4.73, 43.0
Proper motion: 0.822 arcsec/yr (225.4° from north)
Radial Velocity: 23.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -42.6, -49.4, 6.89

What do all these fields mean?


Spectral class: K7
Luminosity Class: V
Apparent visual magnitude: +8.88
Absolute visual magnitude: +7.90
Visual luminosity: 0.060 x Sol
Color indices: B-V= +1.33, U-B= +1.28, R-I= +0.59
Mass: 0.44 x Sol
Comfort Zone (visual): 0.25 A.U.s
Orbital period in CZ: 66.9864 days
Tidal index in CZ: 29.7309

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