M-type star · red

HD 100456

HD 100456 is a red in the constellation Leo 1,226 ly from Earth. Its surface is about 3,648 K, about 0.6 times the Sun's surface temperature, and it shines at 312× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 1,226 years ago.

1,226 lybrightness mag 6.49K5

Also catalogued as HIP 56388

3,648 K
temperature
6.49
apparent magnitude
312× ☉
luminosity vs Sun
K5
spectral type
Distance & comparison with our Sun
1,226 years
at light speed from Earth
0.63×
as hot as the Sun
312×
the Sun's light output
-1.39
absolute magnitude
Explore from here · roam the neighborhood
HD 100456M-type
Sky regionLeothis direction
StarHR 4245380 ly
StarHR 4244380 ly
StarHR 4122390 ly
StarAlgiebastar
StarZosmastar
Nearest stars
Bright stars in Leo
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Leo

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.