A-type star · white star
9 Cas
9 Cas is a white star in the constellation Cassiopeia. Its surface is about 7,631 K, about 1.3 times the Sun's surface temperature, and it shines at 38,018,940× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye.
brightness mag 5.90A1III
Also catalogued as HR 9100 · HD 225180 · HIP 330
7,631 K
temperature
5.90
apparent magnitude
38,018,940× ☉
luminosity vs Sun
A1III
spectral type
Distance & comparison with our Sun
–
at light speed from Earth
1.32×
as hot as the Sun
38,018,940×
the Sun's light output
-14.10
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.