Bonner Durchmusterung -10°4011

light-years

Catalog numbers:
     Gliese (Gl) 571.1, Henry Draper (HD) 132683, Bonner Durchmusterung (BD) -10°4011, Giclas (G) 151-18, Hipparcos Input Catalog (HIC) 73457, Smithsonian Astrophysical Observatory (SAO) 158967, Vyssotsky McCormick (McC) 55, Luyten Two-Tenth (LTT) 5983, New Suspected Variable (NSV) 6884, Woolley (Wo) 9507
Arity: singular
Right Ascension and Declination: 15h0m43.486s, -11°8'5.43" (epoch 2000.0)
Distance from Sol: 63.6 light-years (19.5 parsecs)
Standard error in distance: 3.3195%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -44.0, -44.3, -12.3
Galactic (X,Y,Z) coordinates in ly: 47.5, -10.9, 40.9
Proper motion: 0.47 arcsec/yr (178.9° from north)
Radial Velocity: 14 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 26.0, -33.4, -17.3

What do all these fields mean?


Spectral class: M0.5
Luminosity Class: V
Apparent visual magnitude: +9.49
Absolute visual magnitude: +8.04
Visual luminosity: 0.053 x Sol
Color indices: B-V= +1.40, U-B= +1.28, R-I= +0.63
Diameter: 0.69 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.23 A.U.s
Angular size of star in sky in CZ: 1.599103 degrees

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