Bonner Durchmusterung +16°502

light-years

Catalog numbers:
     Gliese (Gl) 150.1, Bonner Durchmusterung (BD) +16°502, Hipparcos Input Catalog (HIC) 17414, Vyssotsky McCormick (McC) 428
Arity: binary
Right Ascension and Declination: 3h43m52.47s, +16°40'19.9" (epoch 2000.0)
Distance from Sol: 56.1 light-years (17.2 parsecs)
Standard error in distance: 3.2962%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 30.1, 44.6, 16.1
Galactic (X,Y,Z) coordinates in ly: -48.7, 6.75, -27.1
Proper motion: 0.3 arcsec/yr (160.0° from north)
Radial Velocity: 36.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -29.3, -18.2, -26.7

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +8.39
Combined visual luminosity: 0.038 x Sol
Observed Separation: 1756 A.U.s
As seen from A:
     B would appear as magnitude -5.72
As seen from B:
     A would appear as magnitude -6.54


Component A:
Catalog numbers:
     Giclas (G) 6-29
Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +9.99
Absolute visual magnitude: +8.81
Visual luminosity: 0.026 x Sol
Color indices: B-V= +1.45, U-B= +1.27, R-I= +0.70
Comfort Zone (visual): 0.16 A.U.s


Component B:
Catalog numbers:
     Catalogue Astrographique (AC) +17°449-111, Giclas (G) 6-28
Right Ascension and Declination: 3h40m55s, +16°30'48" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: 30.7, 44.2, 16.0
Galactic (X,Y,Z) coordinates in ly: -48.4, 7.09, -27.6
Proper motion: 0.3 arcsec/yr (160.0° from north)
Radial Velocity: 13.3 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -9.44, -20.9, -15.9
Spectral class: M0
Luminosity Class: V
Apparent visual magnitude: +10.81
Absolute visual magnitude: +9.63
Visual luminosity: 0.012 x Sol
Color indices: B-V= +1.48, U-B= +1.22, 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.