K-type star · orange
Omicron Dra
Omicron Dra is an orange in the constellation Draco 342 ly from Earth. Its surface is about 4,338 K, about 0.8 times the Sun's surface temperature, and it shines at 135× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 342 years ago.
Also catalogued as HR 7125 · HD 175306 · HIP 92512
4,338 K
temperature
4.63
apparent magnitude
135× ☉
luminosity vs Sun
K0II-III SB
spectral type
Distance & comparison with our Sun
342 years
at light speed from Earth
0.75×
as hot as the Sun
135×
the Sun's light output
-0.47
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.