F-type star · yellow-white star

HR 4051

HR 4051 is a yellow-white star in the constellation Ursa Major 102 ly from Earth. Its surface is about 6,047 K, and it shines at 2.22× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 102 years ago.

102 lybrightness mag 6.45F9V

Also catalogued as HD 89389 · HIP 50606

6,047 K

temperature

6.45

apparent magnitude

2.22× ☉

luminosity vs Sun

F9V

spectral type

Distance & comparison with our Sun

102 years

at light speed from Earth

1.05×

as hot as the Sun

2.22×

the Sun's light output

3.98

absolute magnitude

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HR 4051F-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

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BINOCULARS NEEDED

Brightness mag 6.5To see it 50 mm binocularsLook 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.