Bonner Durchmusterung +21°2763

light-years

Catalog numbers:
     Woolley (Wo) 9520, Bonner Durchmusterung (BD) +21°2763, Hipparcos Input Catalog (HIC) 75187, Vyssotsky McCormick (McC) 740, Bruce Proper Motion (BPM) 90688
Arity: singular
Right Ascension and Declination: 15h21m52.952s, +20°58'39.3" (epoch 2000.0)
Distance from Sol: 37.2 light-years (11.4 parsecs)
Standard error in distance: 2.1511%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -22.1, -26.8, 13.3
Galactic (X,Y,Z) coordinates in ly: 18.4, 11.1, 30.3
Proper motion: 0.145 arcsec/yr (34.7° from north)
Source for proper motion: Gliese

What do all these fields mean?


Spectral class: M0e
Luminosity Class: V
Apparent visual magnitude: +9.70
Absolute visual magnitude: +9.42
Visual luminosity: 0.015 x Sol
Color indices: B-V= +1.51, R-I= +0.94
Comfort Zone (visual): 0.12 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.