M-type star · red dwarf
Proxima Centauri
Proxima Centauri is a red dwarf in the constellation Centaurus 4.2 ly from Earth. Its surface is about 3,383 K, about 0.6 times the Sun's surface temperature, and it shines at 0.00006× the Sun's brightness. At magnitude 11.0 it is within reach of 4-6" (100-150 mm) telescope; the light you see left it 4 years ago.
Also catalogued as HIP 70890 · Gliese Gl 551
3,383 K
temperature
11.01
apparent magnitude
0.00006× ☉
luminosity vs Sun
M5Ve
spectral type
Distance & comparison with our Sun
4 years
at light speed from Earth
0.59×
as hot as the Sun
0.00006×
the Sun's light output
15.45
absolute magnitude
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Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.