K-type star · orange
7 Ari
7 Ari is an orange in the constellation Aries 558 ly from Earth. Its surface is about 4,338 K, about 0.8 times the Sun's surface temperature, and it shines at 126× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 558 years ago.
Also catalogued as HR 559 · HD 11763 · HIP 8993
4,338 K
temperature
5.76
apparent magnitude
126× ☉
luminosity vs Sun
K1III
spectral type
Distance & comparison with our Sun
558 years
at light speed from Earth
0.75×
as hot as the Sun
126×
the Sun's light output
-0.40
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.