K-type star · orange

HR 7819

HR 7819 is an orange in the constellation Capricornus 645 ly from Earth. Its surface is about 4,745 K, about 0.8 times the Sun's surface temperature, and it shines at 92.81× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 645 years ago.

645 lybrightness mag 6.41G8III

Also catalogued as HD 194918 · HIP 101011

4,745 K
temperature
6.41
apparent magnitude
92.81× ☉
luminosity vs Sun
G8III
spectral type
Distance & comparison with our Sun
645 years
at light speed from Earth
0.82×
as hot as the Sun
92.81×
the Sun's light output
-0.07
absolute magnitude
Explore from here · roam the neighborhood
HR 7819K-type
Sky regionCapricornusthis direction
StarUpsilon Cap75 ly
StarAlpha¹ Cap87 ly
StarPi Cap100 ly
StarDeneb Algedistar
StarDabihstar
Nearest stars
Bright stars in Capricornus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Capricornus

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.