Bonner Durchmusterung -9°3070

light-years

Catalog numbers:
     Gliese (Gl) 390, Bonner Durchmusterung (BD) -9°3070, Giclas (G) 162-52, Luyten Half-Second (LHS) 2259, Hipparcos Input Catalog (HIC) 51007, Vyssotsky McCormick (McC) 579
Arity: singular
Right Ascension and Declination: 10h25m10.82s, -10°13'44.08" (epoch 2000.0)
Distance from Sol: 40.7 light-years (12.5 parsecs)
Standard error in distance: 2.1986%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -36.7, 16.1, -7.23
Galactic (X,Y,Z) coordinates in ly: -8.10, -30.7, 25.5
Proper motion: 0.722 arcsec/yr (276.1° from north)
Radial Velocity: 7 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -38.9, -11.6, -15.1

What do all these fields mean?


Spectral class: M1.5
Luminosity Class: V
Apparent visual magnitude: +10.15
Absolute visual magnitude: +9.67
Visual luminosity: 0.012 x Sol
Color indices: B-V= +1.49, U-B= +1.14, R-I= +0.86
Comfort Zone (visual): 0.11 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.