B-type star · blue-white star

HR 5773

HR 5773 is a blue-white star in the constellation Lupus 351 ly from Earth. Its surface is about 10,342 K, about 1.8 times the Sun's surface temperature, and it shines at 28.84× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 351 years ago.

351 lybrightness mag 6.36B9V

Also catalogued as HD 138564 · HIP 76234

10,342 K

temperature

6.36

apparent magnitude

28.84× ☉

luminosity vs Sun

B9V

spectral type

Distance & comparison with our Sun

351 years

at light speed from Earth

1.79×

as hot as the Sun

28.84×

the Sun's light output

1.20

absolute magnitude

Explore from here · roam the neighborhood

HR 5773B-type

Sky regionLupusthis direction

Nearest stars

Bright stars in Lupus

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BINOCULARS NEEDED

Brightness mag 6.4To see it 50 mm binocularsLook toward Lupus

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.