B-type star · blue-white star

Lambda Col

Lambda Col is a blue-white star in the constellation Columba 335 ly from Earth. Its surface is about 12,569 K, about 2.2 times the Sun's surface temperature, and it shines at 102× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 335 years ago.

335 lybrightness mag 4.88B5V

Also catalogued as HR 2056 · HD 39764 · HIP 27810

12,569 K
temperature
4.88
apparent magnitude
102× ☉
luminosity vs Sun
B5V
spectral type
Distance & comparison with our Sun
335 years
at light speed from Earth
2.18×
as hot as the Sun
102×
the Sun's light output
-0.17
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.9To see it no equipment neededLook toward Columba

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.