K-type star · orange

HR 318

HR 318 is an orange in the constellation Cassiopeia 1,673 ly from Earth. Its surface is about 3,795 K, about 0.7 times the Sun's surface temperature, and it shines at 685× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,673 years ago.

1,673 lybrightness mag 6.31K0

Also catalogued as HD 6540 · HIP 5251

3,795 K
temperature
6.31
apparent magnitude
685× ☉
luminosity vs Sun
K0
spectral type
Distance & comparison with our Sun
1,673 years
at light speed from Earth
0.66×
as hot as the Sun
685×
the Sun's light output
-2.24
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To 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.