Chi Ceti

light-years
Proper names: Chi Ceti, 53 Ceti
Catalog numbers:
     Woolley (Wo) 9061, Fifth Fundamental Catalogue (FK5) 1051, Hoffleit Bright Star (HR) 531
Heavy element abundance: 82% of Sol
Standard error in heavy element abundance: 5%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: binary
Right Ascension and Declination: 1h49m35.106s, -10°41'11.09" (epoch 2000.0)
Distance from Sol: 77.0 light-years (23.6 parsecs)
Standard error in distance: 2.013%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 67.2, 34.8, -14.3
Galactic (X,Y,Z) coordinates in ly: -28.0, 6.79, -71.4
Proper motion: 0.176 arcsec/yr (239.1° from north)
Radial Velocity: -0.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 18.6, 2.68, -6.05

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +2.64
Combined visual luminosity: 7.67 x Sol
Observed Separation: 4321 A.U.s
As seen from A:
     B would appear as magnitude -8.51
As seen from B:
     A would appear as magnitude -10.61


Component A:
Catalog numbers:
     Henry Draper (HD) 11171, Bonner Durchmusterung (BD) -11352, Hipparcos Input Catalog (HIC) 8497, Smithsonian Astrophysical Observatory (SAO) 148036
Spectral class: F3
Luminosity Class: III
Apparent visual magnitude: +4.65
Absolute visual magnitude: +2.78
Visual luminosity: 6.70 x Sol
Color indices: B-V= +0.33, U-B= +0.03, R-I= +0.08
Diameter: 1.62 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 2.59 A.U.s
Angular size of star in sky in CZ: 0.334413 degrees


Component B:
Catalog numbers:
     Henry Draper (HD) 11131, Bonner Durchmusterung (BD) -11351, Hipparcos Input Catalog (HIC) 8486, Smithsonian Astrophysical Observatory (SAO) 148033, Southern Reference System (SRS) 4037
Right Ascension and Declination: 1h49m23.42s, -10°42'12.7" (epoch 2000.0)
Celestial (X,Y,Z) coordinates in ly: 67.2, 34.8, -14.3
Galactic (X,Y,Z) coordinates in ly: -27.9, 6.81, -71.5
Proper motion: 0.175 arcsec/yr (239.8° from north)
Radial Velocity: -2.5 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 19.0, 2.75, -4.48
Spectral class: G1
Luminosity Class: V
Apparent visual magnitude: +6.75
Absolute visual magnitude: +4.88
Visual luminosity: 0.97 x Sol
Color indices: B-V= +0.62, U-B= +0.12, R-I= +0.22
Diameter: 0.96 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.98 A.U.s
Angular size of star in sky in CZ: 0.519927 degrees

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