F-type star · yellow-white star

HR 4421

HR 4421 is a yellow-white star in the constellation Ursa Major 109 ly from Earth. Its surface is about 6,978 K, about 1.2 times the Sun's surface temperature, and it shines at 4.50× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 109 years ago.

109 lybrightness mag 5.83F5Vawvar

Also catalogued as HD 99747 · HIP 56035

6,978 K

temperature

5.83

apparent magnitude

4.50× ☉

luminosity vs Sun

F5Vawvar

spectral type

Distance & comparison with our Sun

109 years

at light speed from Earth

1.21×

as hot as the Sun

4.50×

the Sun's light output

3.22

absolute magnitude

Explore from here · roam the neighborhood

HR 4421F-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.8To 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.