Bonner Durchmusterung -18°359

light-years

Catalog numbers:
     Gliese (Gl) 84, Bonner Durchmusterung (BD) -18°359 , Giclas (G) 272-148, Luyten Half-Second (LHS) 149 , Luyten (L) 727-32
Arity: singular
Right Ascension and Declination: 2h5m4.839s, -17°36'53" (epoch 2000.0)
Distance from Sol: 27.6 light-years (8.47 parsecs)
Standard error in distance: 6.7194%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 22.5, 13.7, -8.36
Galactic (X,Y,Z) coordinates in ly: -9.40, -1.29, -26.0
Proper motion: 1.299 arcsec/yr (96.8° from north)
Radial Velocity: -35 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -21.1, -36.3, 46.7

What do all these fields mean?


Spectral class: M3
Luminosity Class: V?
Apparent visual magnitude: +10.19
Absolute visual magnitude: +10.55
Visual luminosity: 0.0052 x Sol
Color indices: B-V= +1.51
Comfort Zone (visual): 0.072 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.