B-type star · blue-white star

Pi Lup

Pi Lup is a blue-white star in the constellation Lupus 443 ly from Earth. Its surface is about 12,370 K, about 2.1 times the Sun's surface temperature, and it shines at 439× the Sun's brightness. At magnitude 3.9 it is bright enough to see with the naked eye; the light you see left it 443 years ago.

443 lybrightness mag 3.91B5

Also catalogued as HR 5605 · HD 133242 · HIP 73807

12,370 K
temperature
3.91
apparent magnitude
439× ☉
luminosity vs Sun
B5
spectral type
Distance & comparison with our Sun
443 years
at light speed from Earth
2.14×
as hot as the Sun
439×
the Sun's light output
-1.76
absolute magnitude
Explore from here · roam the neighborhood
Pi LupB-type
Sky regionLupusthis direction
StarHR 565024 ly
StarUridim38 ly
StarHR 578146 ly
StarBeta Lupstar
StarGamma Lupstar
Nearest stars
Bright stars in Lupus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.9To see it no equipment neededLook 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.