Bonner Durchmusterung +10°1032

light-years

Catalog numbers:
     Gliese (Gl) 228, Bonner Durchmusterung (BD) +10°1032, Giclas (G) 102-53, Luyten Half-Second (LHS) 1830, Hipparcos Input Catalog (HIC) 29316, Vyssotsky McCormick (McC) 236
Arity: binary
Right Ascension and Declination: 6h10m55.34s, +10°19'5.1" (epoch 2000.0)
Distance from Sol: 35.2 light-years (10.8 parsecs)
Standard error in distance: 4.6851%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -1.65, 34.6, 6.30
Galactic (X,Y,Z) coordinates in ly: -33.1, -11.7, -2.18
Proper motion: 0.97 arcsec/yr (175.8° from north)
Radial Velocity: 55.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -36.0, -60.6, -23.9

What do all these fields mean?

Data for A and B's orbit around one other:
Combined spectrum: M2.5 V
Combined absolute visual magnitude: +10.25
Combined visual luminosity: 0.0069 x Sol
Observed Separation: 9.70 A.U.s
Year of separation observation: 1945
As seen from A:
     B would appear as magnitude -14.30
As seen from B:
     A would appear as magnitude -16.22

Data for A and B's orbit, take 2:
Observed Separation: 25.9 A.U.s
Year of separation observation: 1961
As seen from A:
     B would appear as magnitude -12.17
As seen from B:
     A would appear as magnitude -14.09


Component A:
Apparent visual magnitude: +10.58
Absolute visual magnitude: +10.42
Visual luminosity: 0.0059 x Sol
Comfort Zone (visual): 0.077 A.U.s


Component B:
Apparent visual magnitude: +12.50
Absolute visual magnitude: +12.34
Visual luminosity: 0.0010 x Sol
Comfort Zone (visual): 0.032 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.