A-type star · white star
Iota Cas
Iota Cas is a white star in the constellation Cassiopeia 133 ly from Earth. Its surface is about 8,546 K, about 1.5 times the Sun's surface temperature, and it shines at 23.77× the Sun's brightness. At magnitude 4.5 it is bright enough to see with the naked eye; the light you see left it 133 years ago.
Also catalogued as HR 707 · HD 15089 · HIP 11569
8,546 K
temperature
4.46
apparent magnitude
23.77× ☉
luminosity vs Sun
A5p Sr
spectral type
Distance & comparison with our Sun
133 years
at light speed from Earth
1.48×
as hot as the Sun
23.77×
the Sun's light output
1.41
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.