M-type star · red

HR 864

HR 864 is a red in the constellation Perseus 606 ly from Earth. Its surface is about 3,695 K, about 0.6 times the Sun's surface temperature, and it shines at 97.81× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 606 years ago.

606 lybrightness mag 6.22K5III

Also catalogued as HD 18153 · HIP 13732

3,695 K

temperature

6.22

apparent magnitude

97.81× ☉

luminosity vs Sun

K5III

spectral type

Distance & comparison with our Sun

606 years

at light speed from Earth

0.64×

as hot as the Sun

97.81×

the Sun's light output

-0.13

absolute magnitude

Explore from here · roam the neighborhood

HR 864M-type

Sky regionPerseusthis direction

Nearest stars

Bright stars in Perseus

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BINOCULARS NEEDED

Brightness mag 6.2To see it 50 mm binocularsLook toward Perseus

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.