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11 Leonis Minoris: Wikis


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11 Leonis Minoris A/B
Observation data
Epoch J2000      Equinox J2000
Constellation Leo Minor
Right ascension 09h 35m 39.50s
Declination +35° 48' 36.48"
Apparent magnitude (V) 5.41/13.0
Spectral type G8V/M5V
U-B color index 0.44/?
B-V color index 0.77/?
Variable type RS CVn
Radial velocity (Rv) +13.4 km/s
Proper motion (μ) RA: -730.03 mas/yr
Dec.: -260.6 mas/yr
Parallax (π) 89.45 ± 0.78 mas
Distance 36.5 ± 0.3 ly
(11.18 ± 0.1 pc)
Absolute magnitude (MV) 5.16/12.8
Companion Gl 34B
Period (P) 201 yr
Semimajor axis (a) 3.84"
Eccentricity (e) 0.88
Inclination (i) 117°
Mass 1.05/? M
Other designations
11 Leonis Minoris, GJ 356, HR 3815, HD 82885, SAO 61586, HIP 47080

11 Leonis Minoris (11 LMi) is a star system 37 light years away from Earth, in the constellation Leo Minor. The primary star is a yellow dwarf (main sequence) star of spectral type G8V, which is slightly more massive but slightly dimmer than our sun. The primary is an RS Canum Venaticorum type variable star and its brightness varies by 0.04 magnitudes.

There is also a secondary star, a red dwarf star much dimmer than the primary. It orbits in a highly eccentric orbit ranging from roughly 4 AU to 63 AU from the primary.

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