B-type star · blue-white star
Pi² Col
Pi² Col is a blue-white star in the constellation Columba 243 ly from Earth. Its surface is about 10,039 K, about 1.7 times the Sun's surface temperature, and it shines at 30.48× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 243 years ago.
Also catalogued as HR 2181 · HD 42303 · HIP 29064
10,039 K
temperature
5.50
apparent magnitude
30.48× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
243 years
at light speed from Earth
1.74×
as hot as the Sun
30.48×
the Sun's light output
1.14
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
VISIBLE TO THE NAKED EYE
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.