Lalande 21185
Lalande 21185 is a red dwarf star approximately 2.5 pc or 8.21 light years from Earth's Solar System. It is also known as BD+36°2147, HD 95735, Vyssotsky 594, LHS 37, GCTP 2576.00 and G 119-052.
Its closest neighbour is Wolf 359, 1.24 pc or 4.03 ly away.
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Some facts about Lalande 21185
- Parallax: 0.392 arcsec
- Spectral type: M2 V
- Radial velocity: -84 km/s
- Proper Motion: 4.8 arcsec/a
- Apparent Visual Magnitude: 7.49
- Absolute Visual Magnitude: 10.46
- Luminosity: 0.023 Solar Luminosities
Lalande 21185 in fiction
- Featured in Civilization II: Test of Time.
- Was renamed Ra in Gregory Benford's novel Across the Sea of Suns.
- In Star Corps by Ian Douglas, one of Lalande 21185's gas giants holds a terrestrial, Earth-like moon where an alien race holds humans in slavery, resulting in a force of US Marines being sent in 2148 to free them.