Ross 806

light-years

Catalog numbers:
     Ross 806
Arity: binary
Right Ascension and Declination: 15h51m11s, +34°54'30" (epoch 1950.0)
Distance from Sol: 67 light-years (21 parsecs)
Standard error in distance: 11.4545%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -29, -46, 38
Galactic (X,Y,Z) coordinates in ly: 24, 35, 52
Proper motion: 0.569 arcsec/yr (151.7° from north)
Source for proper motion: Gliese

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +9.93
Combined visual luminosity: 0.009 x Sol
Observed Separation: 534 A.U.s
As seen from A:
     B would appear as magnitude -6.32
As seen from B:
     A would appear as magnitude -7.75


Component A:
Catalog numbers:
     Giclas (G) 180-8, Luyten Half-Second (LHS) 3129, Luyten Two-Tenth (LTT) 14715, Luyten FT (LFT) 1231
Spectral class: M3
Luminosity Class: V
Apparent visual magnitude: +11.75
Absolute visual magnitude: +10.19
Visual luminosity: 0.007 x Sol
Color indices: B-V= +1.51, U-B= +1.21, R-I= +1.07
Comfort Zone (visual): 0.09 A.U.s


Component B:
Catalog numbers:
     Giclas (G) 180-9, Luyten Half-Second (LHS) 3130, Luyten Two-Tenth (LTT) 14716, Luyten FT (LFT) 1232, Luyten (L) 1489-3, Luyten Palomar (LP) 274-21
Right Ascension and Declination: 15h51m11s, +34°54'0" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -29, -46, 38
Galactic (X,Y,Z) coordinates in ly: 24, 35, 52
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +13.18
Absolute visual magnitude: +11.62
Visual luminosity: 0.002 x Sol
Color indices: B-V= +1.53, R-I= +1.20
Comfort Zone (visual): 0.04 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.