B-type star · blue-white star

HR 65

HR 65 is a blue-white star in the constellation Cassiopeia 2,398 ly from Earth. Its surface is about 12,508 K, about 2.2 times the Sun's surface temperature, and it shines at 1,694× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 2,398 years ago.

2,398 lybrightness mag 6.11O9IIInn

Also catalogued as HD 1337 · HIP 1415

12,508 K
temperature
6.11
apparent magnitude
1,694× ☉
luminosity vs Sun
O9IIInn
spectral type
Distance & comparison with our Sun
2,398 years
at light speed from Earth
2.17×
as hot as the Sun
1,694×
the Sun's light output
-3.22
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook 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.