Bonner Durchmusterung -3°2870

light-years

Catalog numbers:
     Gliese (Gl) 382, Bonner Durchmusterung (BD) -3°2870, Hipparcos Input Catalog (HIC) 49986, Smithsonian Astrophysical Observatory (SAO) 137411, Vyssotsky McCormick (McC) 569
Arity: singular
Right Ascension and Declination: 10h12m17.709s, -3°44'43.74" (epoch 2000.0)
Distance from Sol: 25.5 light-years (7.81 parsecs)
Standard error in distance: 1.1813%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -22.7, 11.5, -1.66
Galactic (X,Y,Z) coordinates in ly: -7.72, -17.6, 16.7
Proper motion: 0.28 arcsec/yr (214.1° from north)
Radial Velocity: 7.7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -2.70, -12.4, -2.53

What do all these fields mean?


Spectral class: M2
Luminosity Class: V
Apparent visual magnitude: +9.26
Absolute visual magnitude: +9.80
Visual luminosity: 0.010 x Sol
Color indices: B-V= +1.48, U-B= +1.19, R-I= +0.92
Comfort Zone (visual): 0.10 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.