A-type star · white star

HR 287

HR 287 is a white star in the constellation Cassiopeia 738 ly from Earth. Its surface is about 8,820 K, about 1.5 times the Sun's surface temperature, and it shines at 114× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 738 years ago.

738 lybrightness mag 6.48A3V

Also catalogued as HD 6028 · HIP 4844

8,820 K
temperature
6.48
apparent magnitude
114× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
738 years
at light speed from Earth
1.53×
as hot as the Sun
114×
the Sun's light output
-0.29
absolute magnitude
Explore from here · roam the neighborhood
HR 287A-type
Sky regionCassiopeiathis direction
StarPhi And55 ly
StarOmicron Cas61 ly
StarHR 25669 ly
StarCihstar
StarSchedarstar
Nearest stars
Bright stars in Cassiopeia
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To 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.