F-type star · yellow-white star

HR 233

HR 233 is a yellow-white star in the constellation Cassiopeia 640 ly from Earth. Its surface is about 6,265 K, about 1.1 times the Sun's surface temperature, and it shines at 243× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 640 years ago.

640 lybrightness mag 5.35A4V comp SB

Also catalogued as HD 4775 · HIP 3951

6,265 K
temperature
5.35
apparent magnitude
243× ☉
luminosity vs Sun
A4V comp SB
spectral type
Distance & comparison with our Sun
640 years
at light speed from Earth
1.09×
as hot as the Sun
243×
the Sun's light output
-1.11
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.3To see it no equipment neededLook toward Cassiopeia

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.