Bonner Durchmusterung +81°465

light-years

Catalog numbers:
     Gliese (Gl) 540, Bonner Durchmusterung (BD) +81°465, Giclas (G) 255-51, Luyten Half-Second (LHS) 2865, Hipparcos Input Catalog (HIC) 69064, Smithsonian Astrophysical Observatory (SAO) 2339, Vyssotsky McCormick (McC) 152
Arity: singular
Right Ascension and Declination: 14h8m13.607s, +80°35'51.63" (epoch 2000.0)
Distance from Sol: 56.1 light-years (17.2 parsecs)
Standard error in distance: 5.5194%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -7.76, -4.86, 55.3
Galactic (X,Y,Z) coordinates in ly: -22.0, 39.5, 33.1
Proper motion: 0.577 arcsec/yr (157.7° from north)
Radial Velocity: 7.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 35.4, 3.74, 31.6

What do all these fields mean?


Spectral class: M1e
Luminosity Class: V
Apparent visual magnitude: +10.39
Absolute visual magnitude: +9.21
Visual luminosity: 0.018 x Sol
Color indices: B-V= +1.43, U-B= +1.14, R-I= +0.83
Comfort Zone (visual): 0.13 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.