Bonner Durchmusterung +65°1846

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1278, Bonner Durchmusterung (BD) +65°1846, Giclas (G) 241-41, Hipparcos Input Catalog (HIC) 113944, Vyssotsky McCormick (McC) 77
Arity: singular
Right Ascension and Declination: 23h4m30.252s, +66°45'51.58" (epoch 2000.0)
Distance from Sol: 65.3 light-years (20.0 parsecs)
Standard error in distance: 2.04%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 25.0, -6.18, 60.0
Galactic (X,Y,Z) coordinates in ly: -25.3, 59.8, 7.08
Proper motion: 0.332 arcsec/yr (107.0° from north)
Radial Velocity: 7.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -25.9, -0.59, -19.4

What do all these fields mean?


Spectral class: M1
Luminosity Class: V
Apparent visual magnitude: +9.90
Absolute visual magnitude: +8.39
Visual luminosity: 0.038 x Sol
Color indices: B-V= +1.40, U-B= +1.26, R-I= +0.66
Comfort Zone (visual): 0.20 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.