Nu(2) Canis Majoris

light-years
Proper names: Nu(2) Canis Majoris, 7 Canis Majoris, Nu Canis Majoris
Catalog numbers:
     Gliese (Gl) 239.1, Henry Draper (HD) 47205, Bonner Durchmusterung (BD) -19°1502, Hipparcos Input Catalog (HIC) 31592, Smithsonian Astrophysical Observatory (SAO) 151702, FK4 Supplement (FK4 Sup) 2510, Hoffleit Bright Star (HR) 2429, Woolley (Wo) 9214, New Suspected Variable (NSV) 3047
Heavy element abundance: 117% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 6h36m41.025s, -19°15'20.88" (epoch 2000.0)
Distance from Sol: 64.7 light-years (19.8 parsecs)
Standard error in distance: 1.3696%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -9.74, 60.3, -21.3
Galactic (X,Y,Z) coordinates in ly: -41.7, -47.8, -12.7
Proper motion: 0.083 arcsec/yr (139.6° from north)
Radial Velocity: 4.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 2.78, -8.28, 1.19

What do all these fields mean?


Spectral class: K1
Luminosity Class: III
Apparent visual magnitude: +3.95
Absolute visual magnitude: +2.46
Visual luminosity: 9.00 x Sol
Color indices: B-V= +1.05, U-B= +1.01
Diameter: 6.18 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 3.00 A.U.s
Angular size of star in sky in CZ: 1.098747 degrees

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