11 Leonis Minoris

light-years
Proper names: 11 Leonis Minoris, SV Leonis Minoris
Catalog numbers:
     Gliese (Gl) 356, Henry Draper (HD) 82885, Bonner Durchmusterung (BD) +36°1979, Luyten Half-Second (LHS) 2156, Hipparcos Input Catalog (HIC) 47080, Smithsonian Astrophysical Observatory (SAO) 61586, Aitken Double Star (ADS) 7441, Hoffleit Bright Star (HR) 3815
Heavy element abundance: 100% of Sol
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: binary
Right Ascension and Declination: 9h35m39.481s, +35°48'36.78" (epoch 2000.0)
Distance from Sol: 36.46 light-years (11.18 parsecs)
Standard error in distance: 0.8645%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -23.90, 17.42, 21.33
Galactic (X,Y,Z) coordinates in ly: -23.91, -3.735, 27.27
Proper motion: 0.775 arcsec/yr (251.4° from north)
Radial Velocity: 14.9 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -37.15, -17.39, -15.04

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +5.17
Combined visual luminosity: 0.747 x Sol
Period: 201 years
Semimajor Axis: 42.93 A.U.s
Source for orbit data: Heintz
As seen from A:
     B would appear as magnitude -10.65
As seen from B:
     A would appear as magnitude -18.24


Component A:
Spectral class: G8
Luminosity Class: V
Apparent visual magnitude: +5.41
Absolute visual magnitude: +5.17
Visual luminosity: 0.746 x Sol
Color indices: B-V= +0.77, U-B= +0.44, R-I= +0.26
Diameter: 1.129 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.864 A.U.s
Angular size of star in sky in CZ: 0.697034 degrees


Component B:
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +13.00
Absolute visual magnitude: +12.76
Visual luminosity: 0.000687 x Sol
Diameter: 0.24 x Sol
Source for diameter: Apparent Diameters and Absolute Radii of Stars (Fracassini+ 1988)
Comfort Zone (visual): 0.0262 A.U.s
Angular size of star in sky in CZ: 4.882996 degrees

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