K-type star · orange
49 Cas
49 Cas is an orange in the constellation Cassiopeia 400 ly from Earth. Its surface is about 4,856 K, about 0.8 times the Sun's surface temperature, and it shines at 107× the Sun's brightness. At magnitude 5.2 it is bright enough to see with the naked eye; the light you see left it 400 years ago.
Also catalogued as HR 592 · HD 12339 · HIP 9763
4,856 K
temperature
5.22
apparent magnitude
107× ☉
luminosity vs Sun
G8III
spectral type
Distance & comparison with our Sun
400 years
at light speed from Earth
0.84×
as hot as the Sun
107×
the Sun's light output
-0.22
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.