K-type star · orange dwarf

HR 4242

HR 4242 is an orange dwarf in the constellation Ursa Major 316 ly from Earth. Its surface is about 4,485 K, about 0.8 times the Sun's surface temperature, and it shines at 21.76× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 316 years ago.

316 lybrightness mag 6.44K2III

Also catalogued as HD 94084 · HIP 53157

4,485 K

temperature

6.44

apparent magnitude

21.76× ☉

luminosity vs Sun

K2III

spectral type

Distance & comparison with our Sun

316 years

at light speed from Earth

0.78×

as hot as the Sun

21.76×

the Sun's light output

1.51

absolute magnitude

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HR 4242K-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

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BINOCULARS NEEDED

Brightness mag 6.4To 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.