K-type star · orange

HR 7809

HR 7809 is an orange in the constellation Aquila 525 ly from Earth. Its surface is about 4,323 K, about 0.7 times the Sun's surface temperature, and it shines at 82.04× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 525 years ago.

525 lybrightness mag 6.10K1III:

Also catalogued as HD 194454 · HIP 100758

4,323 K
temperature
6.10
apparent magnitude
82.04× ☉
luminosity vs Sun
K1III:
spectral type
Distance & comparison with our Sun
525 years
at light speed from Earth
0.75×
as hot as the Sun
82.04×
the Sun's light output
0.07
absolute magnitude
Explore from here · roam the neighborhood
HR 7809K-type
Sky regionAquilathis direction
StarHR 787843 ly
StarHR 778863 ly
Star68 Aql78 ly
StarTarazedstar
StarOkabstar
Nearest stars
Bright stars in Aquila
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook toward Aquila

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.