A-type star · white star

Megrez

Megrez is a white star in the constellation Ursa Major 80.5 ly from Earth. Its surface is about 9,256 K, about 1.6 times the Sun's surface temperature, and it shines at 24.93× the Sun's brightness. At magnitude 3.3 it is bright enough to see with the naked eye; the light you see left it 81 years ago.

80.5 lybrightness mag 3.32A3Vvar

Also catalogued as Delta UMa · HR 4660 · HD 106591 · HIP 59774 · Gliese Gl 459

9,256 K

temperature

3.32

apparent magnitude

24.93× ☉

luminosity vs Sun

A3Vvar

spectral type

Distance & comparison with our Sun

81 years

at light speed from Earth

1.60×

as hot as the Sun

24.93×

the Sun's light output

1.36

absolute magnitude

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MegrezA-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 3.3To 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.