S.W. Burnham 701

Catalog numbers:
Gliese & Jahreiss (GJ) 1269, Henry Draper (HD) 212989, Bonner Durchmusterung (BD) +11°4804, Hipparcos Input Catalog (HIC) 110900, Smithsonian Astrophysical Observatory (SAO) 107935, Aitken Double Star (ADS) 15962, S.W. Burnham (BU) 701, Woolley (Wo) 9783, Luyten Two-Tenth (LTT) 16584
Arity: binary
Right Ascension and Declination: 22h28m7.403s, +12°14'54.89" (epoch 2000.0)
Distance from Sol: 53 light-years (16 parsecs)
Standard error in distance: 13.8889%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: 47, -20, 11
Galactic (X,Y,Z) coordinates in ly: 8.9, 41, -32
Proper motion: 0.2 arcsec/yr (92.0° from north)
Radial Velocity: 3.8 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -12, -0.8, -10

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +6.04
Combined visual luminosity: 0.3 x Sol
Observed Separation: 15 A.U.s
Year of separation observation: 1959
As seen from A:
B would appear as magnitude -16.70
As seen from B:
A would appear as magnitude -19.65

Component A:
Spectral class: K0
Luminosity Class: V
Apparent visual magnitude: +7.15
Absolute visual magnitude: +6.11
Visual luminosity: 0.3 x Sol
Diameter: 0.94 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.6 A.U.s
Angular size of star in sky in CZ: 0.896085 degrees

Component B:
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +10.10
Absolute visual magnitude: +9.06
Visual luminosity: 0.02 x Sol
Diameter: 0.68 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.1 A.U.s
Angular size of star in sky in CZ: 2.522082 degrees

Data for this star system were most recently updated on 4-April-2001.