Chi Cancri

light-years
Proper names: Chi Cancri, 18 Cancri
Catalog numbers:
     Gliese (Gl) 303, Henry Draper (HD) 69897, Bonner Durchmusterung (BD) +27°1589, Hipparcos Input Catalog (HIC) 40843, Smithsonian Astrophysical Observatory (SAO) 80104, Fifth Fundamental Catalogue (FK5) 1217, Hoffleit Bright Star (HR) 3262
Age: 3000 million years
Source for age: B. Edvardsson et al., "Chemical Evolution of the Galactic Disc", A&AP 275
Heavy element abundance: 31% of Sol
Standard error in heavy element abundance: 1%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: possible spectroscopic binary
Right Ascension and Declination: 8h20m3.856s, +27°13'3.64" (epoch 2000.0)
Distance from Sol: 59.1 light-years (18.1 parsecs)
Standard error in distance: 1.6578%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -30.2, 43.1, 27.0
Galactic (X,Y,Z) coordinates in ly: -48.6, -14.1, 30.5
Proper motion: 0.381 arcsec/yr (182.3° from north)
Radial Velocity: 33 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -23.9, -39.1, 7.70

What do all these fields mean?


Spectral class: F6
Luminosity Class: V
Apparent visual magnitude: +5.13
Absolute visual magnitude: +3.83
Visual luminosity: 2.55 x Sol
Color indices: B-V= +0.47, U-B= -0.06
Mass: 1.2 x Sol
Diameter: 1.23 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 1.60 A.U.s
Orbital period in CZ: 1.84107 years
Tidal index in CZ: 0.295026
Angular size of star in sky in CZ: 0.409877 degrees

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