Denebola

light-years
Proper names: Denebola, Beta Leonis, 94 Leonis, The Lion's Tail
Catalog numbers:
     Gliese (Gl) 448, Henry Draper (HD) 102647, Bonner Durchmusterung (BD) +15°2383, Luyten Half-Second (LHS) 2462, Hipparcos Input Catalog (HIC) 57632, Smithsonian Astrophysical Observatory (SAO) 99809, Fifth Fundamental Catalogue (FK5) 444, Hoffleit Bright Star (HR) 4534
Arity: singular
Right Ascension and Declination: 11h49m3.58s, +14°34'19.35" (epoch 2000.0)
Distance from Sol: 36.18 light-years (11.09 parsecs)
Standard error in distance: 0.9775%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -34.97, 1.671, 9.102
Galactic (X,Y,Z) coordinates in ly: -3.509, -11.21, 34.22
Proper motion: 0.511 arcsec/yr (256.5° from north)
Radial Velocity: -0.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -19.86, -16.41, -7.628

What do all these fields mean?


Spectral class: A3
Luminosity Class: V
Apparent visual magnitude: +2.14
Absolute visual magnitude: +1.91
Visual luminosity: 14.98 x Sol
Color indices: B-V= +0.09, U-B= +0.07, R-I= +0.00
Mass: 2.3 x Sol
Diameter: 1.573 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 3.871 A.U.s
Orbital period in CZ: 5.02179 years
Tidal index in CZ: 0.039654
Angular size of star in sky in CZ: 0.216705 degrees

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