K-type star · orange
17 Del
17 Del is an orange in the constellation Delphinus 480 ly from Earth. Its surface is about 4,474 K, about 0.8 times the Sun's surface temperature, and it shines at 158× the Sun's brightness. At magnitude 5.2 it is bright enough to see with the naked eye; the light you see left it 480 years ago.
Also catalogued as HR 8011 · HD 199253 · HIP 103294
4,474 K
temperature
5.19
apparent magnitude
158× ☉
luminosity vs Sun
K0III
spectral type
Distance & comparison with our Sun
480 years
at light speed from Earth
0.78×
as hot as the Sun
158×
the Sun's light output
-0.65
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.