A-type star · white star

HR 499

HR 499 is a white star in the constellation Cassiopeia 277 ly from Earth. Its surface is about 8,739 K, about 1.5 times the Sun's surface temperature, and it shines at 21.20× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 277 years ago.

277 lybrightness mag 6.18A3V

Also catalogued as HD 10543 · HIP 8115

8,739 K
temperature
6.18
apparent magnitude
21.20× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
277 years
at light speed from Earth
1.51×
as hot as the Sun
21.20×
the Sun's light output
1.53
absolute magnitude
Explore from here · roam the neighborhood
HR 499A-type
Sky regionCassiopeiathis direction
StarHR 29733 ly
Star52 Cas37 ly
Star35 Cas42 ly
StarCihstar
StarSchedarstar
Nearest stars
Bright stars in Cassiopeia
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.