Bonner Durchmusterung +43°1953

light-years

Catalog numbers:
     Gliese (Gl) 365, Henry Draper (HD) 84035, Bonner Durchmusterung (BD) +43°1953, Giclas (G) 116-42, Luyten Half-Second (LHS) 2180, Hipparcos Input Catalog (HIC) 47690, Smithsonian Astrophysical Observatory (SAO) 42997, Vyssotsky McCormick (McC) 552, FK5 Extension (FK5 Ext) 4863, New Suspected Variable (NSV) 4590
Arity: singular
Right Ascension and Declination: 9h43m25.635s, +42°41'29.17" (epoch 2000.0)
Distance from Sol: 58.0 light-years (17.8 parsecs)
Standard error in distance: 1.9529%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -35.3, 23.9, 39.3
Galactic (X,Y,Z) coordinates in ly: -37.5, 1.12, 44.2
Proper motion: 0.837 arcsec/yr (177.8° from north)
Radial Velocity: -12.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 14.2, -70.1, -2.06

What do all these fields mean?


Spectral class: K5
Luminosity Class: V
Apparent visual magnitude: +8.15
Absolute visual magnitude: +6.90
Visual luminosity: 0.15 x Sol
Color indices: B-V= +1.15, U-B= +1.15, R-I= +0.42
Diameter: 0.74 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.39 A.U.s
Angular size of star in sky in CZ: 1.013066 degrees

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