Bonner Durchmusterung +9°2636

light-years

Catalog numbers:
     Gliese (Gl) 471, Bonner Durchmusterung (BD) +9°2636, Luyten Half-Second (LHS) 2570, Hipparcos Input Catalog (HIC) 61094, Smithsonian Astrophysical Observatory (SAO) 119451, Vyssotsky McCormick (McC) 662
Arity: singular
Right Ascension and Declination: 12h31m15.832s, +8°48'37.29" (epoch 2000.0)
Distance from Sol: 43.7 light-years (13.4 parsecs)
Standard error in distance: 1.9458%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -42.8, -5.88, 6.70
Galactic (X,Y,Z) coordinates in ly: 4.77, -13.5, 41.3
Proper motion: 0.829 arcsec/yr (230.0° from north)
Radial Velocity: 19 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -15.3, -53.7, 4.38

What do all these fields mean?


Spectral class: M1
Luminosity Class: V
Apparent visual magnitude: +9.74
Absolute visual magnitude: +9.10
Visual luminosity: 0.020 x Sol
Color indices: B-V= +1.45, U-B= +1.23, R-I= +0.72
Comfort Zone (visual): 0.14 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.