9 Ceti

light-years
Proper names: 9 Ceti
Catalog numbers:
     Gliese (Gl) 17.3, Henry Draper (HD) 1835, Bonner Durchmusterung (BD) -13°60, Hipparcos Input Catalog (HIC) 1803, Smithsonian Astrophysical Observatory (SAO) 147237, Hoffleit Bright Star (HR) 88
Heavy element abundance: 150% of Sol
Standard error in heavy element abundance: 8%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: singular
Right Ascension and Declination: 0h22m51.78s, -12°12'33.9" (epoch 2000.0)
Distance from Sol: 66.5 light-years (20.4 parsecs)
Standard error in distance: 1.8215%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 64.7, 6.47, -14.1
Galactic (X,Y,Z) coordinates in ly: -3.20, 18.5, -63.8
Proper motion: 0.396 arcsec/yr (80.6° from north)
Radial Velocity: -2.6 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -35.6, -14.4, 0.32

What do all these fields mean?


Spectral class: G2
Luminosity Class: V
Apparent visual magnitude: +6.39
Absolute visual magnitude: +4.84
Visual luminosity: 1.01 x Sol
Color indices: B-V= +0.66
Diameter: 1.07 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.00 A.U.s
Angular size of star in sky in CZ: 0.570058 degrees

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