Phi(2) Ceti

light-years
Proper names: Phi(2) Ceti, 19 Ceti, Phi Ceti
Catalog numbers:
     Gliese (Gl) 37, Henry Draper (HD) 4813, Bonner Durchmusterung (BD) -11°153 , Hipparcos Input Catalog (HIC) 3909, Smithsonian Astrophysical Observatory (SAO) 147470, Fifth Fundamental Catalogue (FK5) 30, Hoffleit Bright Star (HR) 235, New Suspected Variable (NSV) 316
Age: 3100 million years
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 62% of Sol
Source for heavy element abundance: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Arity: possible spectroscopic binary
Right Ascension and Declination: 0h50m7.596s, -10°38'39.54" (epoch 2000.0)
Distance from Sol: 50.4 light-years (15.5 parsecs)
Standard error in distance: 1.5673%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 48.4, 10.8, -9.31
Galactic (X,Y,Z) coordinates in ly: -8.13, 12.1, -48.3
Proper motion: 0.322 arcsec/yr (225.5° from north)
Radial Velocity: 8.2 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 21.4, -2.11, -12.7

What do all these fields mean?


Spectral class: F7
Luminosity Class: IV-V
Apparent visual magnitude: +5.18
Absolute visual magnitude: +4.24
Visual luminosity: 1.76 x Sol
Color indices: B-V= +0.50
Diameter: 1.13 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.33 A.U.s
Angular size of star in sky in CZ: 0.454178 degrees

light-years
but not more than light-years away
Data for this star system were most recently updated on 11-May-2001.