A-type star · white star

HR 3645

287 lybrightness mag 5.93F0III

Also catalogued as HD 78935 · HIP 45461

8,329 K

temperature

5.93

apparent magnitude

28.71× ☉

luminosity vs Sun

F0III

spectral type

Distance & comparison with our Sun

287 years

at light speed from Earth

1.44×

as hot as the Sun

28.71×

the Sun's light output

1.21

absolute magnitude

Explore from here · roam the neighborhood

HR 3645A-type

Sky regionUrsa Majorthis direction

Nearest stars

HR 3216 →24 ly apart
8Rho UMa →39 ly apart
HR 3885 →40 ly apart
HR 3352 →43 ly apart
6 UMa →48 ly apart
HR 3303 →49 ly apart

Bright stars in Ursa Major

Alioth →mag 1.8
Dubhe →mag 1.8
Alkaid →mag 1.9
Merak →mag 2.3
Phecda →mag 2.4
52Psi UMa →mag 3.0
Tania Australis →mag 3.1
Talitha →mag 3.1

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.9To see it no equipment neededLook toward Ursa Major

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.