K-type star · orange

HR 819

HR 819 is an orange in the constellation Perseus 456 ly from Earth. Its surface is about 4,904 K, about 0.8 times the Sun's surface temperature, and it shines at 52.72× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 456 years ago.

456 lybrightness mag 6.27G8III

Also catalogued as HD 17228 · HIP 12982

4,904 K
temperature
6.27
apparent magnitude
52.72× ☉
luminosity vs Sun
G8III
spectral type
Distance & comparison with our Sun
456 years
at light speed from Earth
0.85×
as hot as the Sun
52.72×
the Sun's light output
0.55
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 Perseus

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.