CE Boötis

light-years
Proper names: CE Boötis, CE Bootis
Catalog numbers:
     Gliese (Gl) 569, Bonner Durchmusterung (BD) +16°2708, Giclas (G) 136-28, Hipparcos Input Catalog (HIC) 72944, Vyssotsky McCormick (McC) 157
Arity: binary
Right Ascension and Declination: 14h54m29.283s, +16°6'4.11" (epoch 2000.0)
Distance from Sol: 32.0 light-years (9.81 parsecs)
Standard error in distance: 1.6123%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -22.3, -21.2, 8.88
Galactic (X,Y,Z) coordinates in ly: 15.7, 5.20, 27.4
Proper motion: 0.335 arcsec/yr (108.4° from north)
Radial Velocity: -8.4 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 7.70, 4.90, -15.2

What do all these fields mean?

Data for A and B's orbit around one other:
Combined apparent visual magnitude: +10.20
Combined absolute visual magnitude: +10.24
Combined visual luminosity: 0.0070 x Sol
Observed Separation: 50.0 A.U.s
Source for orbit data: Gliese


Component A:
Spectral class: M0e
Luminosity Class: V
Color indices: B-V= +1.48, U-B= +1.15, R-I= +0.96
Diameter: 0.5 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)


Component B:

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