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Proxima Centauri

Star
Proxima Centauri is a small, low-mass star located 4.2465 light-years away from the Sun in the southern constellation of Centaurus. Its Latin name means the 'nearest [star] of Centaurus'. It was discovered in 1915 by Robert Innes and is the... Wikipedia
Distance to Earth: 4.246 light years
Spectral type: M5.5 Ve
Surface temperature: 3,042 K
Mass: 2.428 × 10^29 kg (0.1221 M☉)
Constellation: Centaurus
Radius: 66,659 mi
Coordinates: RA 14h 29m 43s | Dec -62° 40′ 46″