F-type star · yellow-white star

HR 8170

HR 8170 is a yellow-white star in the constellation Cygnus 88.1 ly from Earth. Its surface is about 6,243 K, about 1.1 times the Sun's surface temperature, and it shines at 1.77× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 88 years ago.

88.1 lybrightness mag 6.39F8V

Also catalogued as HD 203454 · HIP 105406

6,243 K

temperature

6.39

apparent magnitude

1.77× ☉

luminosity vs Sun

F8V

spectral type

Distance & comparison with our Sun

88 years

at light speed from Earth

1.08×

as hot as the Sun

1.77×

the Sun's light output

4.23

absolute magnitude

Explore from here · roam the neighborhood

HR 8170F-type

Sky regionCygnusthis direction

StarGliese Gl 822.1B20 ly

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.