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Proxima Centauri, or Alpha Centauri C, is a red dwarf, a small low-mass star, about 4.25 light-years from the Sun in the constellation of Centaurus.
Distance to Earth: 4.243 light years
Apparent magnitude (B): 12.95
B−V color index: 1.82
U−B color index: 1.26
Luminosity (visual, LV): 0.00005 L☉
Luminosity (bolometric): 0.0017 L☉