Bonner Durchmusterung +85°161

light-years

Catalog numbers:
     Gliese (Gl) 396, Henry Draper (HD) 90343, Bonner Durchmusterung (BD) +85°161, Hipparcos Input Catalog (HIC) 51819, Smithsonian Astrophysical Observatory (SAO) 1722, AGK3 Reference (AGK3R) 9447
Arity: singular
Right Ascension and Declination: 10h35m10.991s, +84°23'58.21" (epoch 2000.0)
Distance from Sol: 68.6 light-years (21.0 parsecs)
Standard error in distance: 1.2461%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -6.24, 2.42, 68.3
Galactic (X,Y,Z) coordinates in ly: -34.7, 46.7, 36.4
Proper motion: 0.056 arcsec/yr (11.3° from north)
Radial Velocity: 9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -2.52, 10.2, 1.52

What do all these fields mean?


Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +7.29
Absolute visual magnitude: +5.68
Visual luminosity: 0.47 x Sol
Color indices: B-V= +0.82, U-B= +0.51
Diameter: 0.82 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.68 A.U.s
Angular size of star in sky in CZ: 0.640605 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.