A-type star · white star

HR 241

HR 241 is a white star in the constellation Cassiopeia 1,000 ly from Earth. Its surface is about 9,743 K, about 1.7 times the Sun's surface temperature, and it shines at 266× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 1,000 years ago.

1,000 lybrightness mag 6.22B9.5V

Also catalogued as HD 4881 · HIP 4023

9,743 K
temperature
6.22
apparent magnitude
266× ☉
luminosity vs Sun
B9.5V
spectral type
Distance & comparison with our Sun
1,000 years
at light speed from Earth
1.69×
as hot as the Sun
266×
the Sun's light output
-1.21
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To 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.