K-type star · orange

HR 7999

HR 7999 is an orange in the constellation Cygnus 400 ly from Earth. Its surface is about 4,548 K, about 0.8 times the Sun's surface temperature, and it shines at 37.46× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 400 years ago.

400 lybrightness mag 6.36K2

Also catalogued as HD 198976 · HIP 103079

4,548 K
temperature
6.36
apparent magnitude
37.46× ☉
luminosity vs Sun
K2
spectral type
Distance & comparison with our Sun
400 years
at light speed from Earth
0.79×
as hot as the Sun
37.46×
the Sun's light output
0.92
absolute magnitude
Explore from here · roam the neighborhood
HR 7999K-type
Sky regionCygnusthis direction
StarHR 808230 ly
StarHR 809432 ly
StarHR 790450 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Cygnus

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.