Bonner Durchmusterung +47°2112

Catalog numbers:
Gliese (Gl) 537, Bonner Durchmusterung (BD) +47°2112, Giclas (G) 200-16, Hipparcos Input Catalog (HIC) 68588, Vyssotsky McCormick (McC) 706
Arity: binary
Right Ascension and Declination: 14h2m28.96s, +46°20'27.3" (epoch 2000.0)
Distance from Sol: 36.6 light-years (11.2 parsecs)
Standard error in distance: 4.6039%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -21.7, -12.9, 26.5
Galactic (X,Y,Z) coordinates in ly: -0.11, 14.8, 33.5
Proper motion: 0.585 arcsec/yr (94.5° from north)
Radial Velocity: -41.1 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 24.1, 1.60, -45.6

What do all these fields mean?

Component A:
Catalog numbers:
Luyten Half-Second (LHS) 2849
Spectral class: M3e
Luminosity Class: V
Apparent visual magnitude: +9.85
Absolute visual magnitude: +9.60
Visual luminosity: 0.013 x Sol
Color indices: B-V= +1.48, U-B= +1.10, R-I= +0.83
Diameter: 0.75 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.11 A.U.s
Angular size of star in sky in CZ: 3.552723 degrees

Component B:
Catalog numbers:
Luyten Half-Second (LHS) 2850
Proper motion: 0.585 arcsec/yr (94.5° from north)
Radial Velocity: -28 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: 24.0, 6.89, -33.6
Spectral class: M3e
Luminosity Class: V
Apparent visual magnitude: +9.95
Absolute visual magnitude: +9.70
Visual luminosity: 0.011 x Sol
Diameter: 0.71 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.11 A.U.s
Angular size of star in sky in CZ: 3.540158 degrees

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