K-type star · orange
Upsilon Dra
Upsilon Dra is an orange in the constellation Draco 344 ly from Earth. Its surface is about 4,407 K, about 0.8 times the Sun's surface temperature, and it shines at 114× the Sun's brightness. At magnitude 4.8 it is bright enough to see with the naked eye; the light you see left it 344 years ago.
Also catalogued as HR 7180 · HD 176524 · HIP 92782
4,407 K
temperature
4.82
apparent magnitude
114× ☉
luminosity vs Sun
K0III
spectral type
Distance & comparison with our Sun
344 years
at light speed from Earth
0.76×
as hot as the Sun
114×
the Sun's light output
-0.30
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.