B-type star · blue-white star

Acrab

Acrab is a blue-white star in the constellation Scorpius 404 ly from Earth. Its surface is about 11,016 K, about 1.9 times the Sun's surface temperature, and it shines at 1,266× the Sun's brightness. At magnitude 2.6 it is bright enough to see with the naked eye; the light you see left it 404 years ago.

404 lybrightness mag 2.56B0.5V

Also catalogued as Beta¹ Sco · HR 5984 · HD 144217 · HIP 78820

11,016 K

temperature

2.56

apparent magnitude

1,266× ☉

luminosity vs Sun

B0.5V

spectral type

Distance & comparison with our Sun

404 years

at light speed from Earth

1.91×

as hot as the Sun

1,266×

the Sun's light output

-2.91

absolute magnitude

Explore from here · roam the neighborhood

AcrabB-type

Sky regionScorpiusthis direction

Nearest stars

Bright stars in Scorpius

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 2.6To see it no equipment neededLook toward Scorpius

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.