F-type star · yellow-white star

HR 3684

HR 3684 is a yellow-white star in the constellation Vela 165 ly from Earth. Its surface is about 6,514 K, about 1.1 times the Sun's surface temperature, and it shines at 31.22× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 165 years ago.

165 lybrightness mag 4.63F3/F5V

Also catalogued as HD 79940 · HIP 45448 · Gliese Gl 339.3

6,514 K

temperature

4.63

apparent magnitude

31.22× ☉

luminosity vs Sun

F3/F5V

spectral type

Distance & comparison with our Sun

165 years

at light speed from Earth

1.13×

as hot as the Sun

31.22×

the Sun's light output

1.11

absolute magnitude

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HR 3684F-type

Sky regionVelathis direction

Nearest stars

Bright stars in Vela

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 4.6To see it no equipment neededLook toward Vela

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.