M-type star · red
10 Dra
10 Dra is a red in the constellation Draco 371 ly from Earth. Its surface is about 3,688 K, about 0.6 times the Sun's surface temperature, and it shines at 166× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 371 years ago.
Also catalogued as HR 5226 · HD 121130 · HIP 67627
3,688 K
temperature
4.58
apparent magnitude
166× ☉
luminosity vs Sun
M3III
spectral type
Distance & comparison with our Sun
371 years
at light speed from Earth
0.64×
as hot as the Sun
166×
the Sun's light output
-0.70
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.