Gamma(2) Normae

light-years
Proper names: Gamma(2) Normae, Gamma Normae
Catalog numbers:
     Woolley (Wo) 9554, Henry Draper (HD) 146686, Cordoba Durchmusterung (CD) -49°10536, Hipparcos Input Catalog (HIC) 80000, Smithsonian Astrophysical Observatory (SAO) 243643, Fifth Fundamental Catalogue (FK5) 604, Hoffleit Bright Star (HR) 6072
Arity: singular
Right Ascension and Declination: 16h19m50.443s, -50°9'19.98" (epoch 2000.0)
Distance from Sol: 128 light-years (39.1 parsecs)
Standard error in distance: 3.2526%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -34.6, -74.0, -97.9
Galactic (X,Y,Z) coordinates in ly: 114, -56.6, -1.11
Proper motion: 0.162 arcsec/yr (251.0° from north)
Radial Velocity: -28.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -37.8, -11.4, 13.4

What do all these fields mean?


Spectral class: G8
Luminosity Class: III
Apparent visual magnitude: +4.02
Absolute visual magnitude: +1.06
Visual luminosity: 32.9 x Sol
Color indices: B-V= +1.08, U-B= +1.16, R-I= +0.41
Diameter: 6.97 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 5.74 A.U.s
Angular size of star in sky in CZ: 0.647609 degrees

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