Bonner Durchmusterung +33°1505

light-years

Catalog numbers:
     Gliese (Gl) 270, Bonner Durchmusterung (BD) +33°1505, Luyten Half-Second (LHS) 1912, Hipparcos Input Catalog (HIC) 35495, Vyssotsky McCormick (McC) 16
Arity: singular
Right Ascension and Declination: 7h19m31.334s, +32°49'48.48" (epoch 2000.0)
Distance from Sol: 64.5 light-years (19.8 parsecs)
Standard error in distance: 4.6192%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -18.4, 50.9, 35.0
Galactic (X,Y,Z) coordinates in ly: -60.1, -6.00, 22.5
Proper motion: 0.574 arcsec/yr (125.9° from north)
Radial Velocity: -68.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 79.1, -36.9, 4.14

What do all these fields mean?


Spectral class: M1.5
Luminosity Class: V
Apparent visual magnitude: +9.16
Absolute visual magnitude: +7.68
Visual luminosity: 0.074 x Sol
Color indices: B-V= +1.44, U-B= +0.80, R-I= +0.70
Comfort Zone (visual): 0.27 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.