K-type star · orange

HR 7797

HR 7797 is an orange in the constellation Cygnus 577 ly from Earth. Its surface is about 4,012 K, about 0.7 times the Sun's surface temperature, and it shines at 100× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 577 years ago.

577 lybrightness mag 6.09K2

Also catalogued as HD 194097 · HIP 100486

4,012 K
temperature
6.09
apparent magnitude
100× ☉
luminosity vs Sun
K2
spectral type
Distance & comparison with our Sun
577 years
at light speed from Earth
0.70×
as hot as the Sun
100×
the Sun's light output
-0.15
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To 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.