B-type star · blue-white star

Kappa Cen

Kappa Cen is a blue-white star in the constellation Centaurus 383 ly from Earth. Its surface is about 13,781 K, about 2.4 times the Sun's surface temperature, and it shines at 673× the Sun's brightness. At magnitude 3.1 it is bright enough to see with the naked eye; the light you see left it 383 years ago.

383 lybrightness mag 3.13B2IV

Also catalogued as HR 5576 · HD 132200 · HIP 73334

13,781 K
temperature
3.13
apparent magnitude
673× ☉
luminosity vs Sun
B2IV
spectral type
Distance & comparison with our Sun
383 years
at light speed from Earth
2.39×
as hot as the Sun
673×
the Sun's light output
-2.22
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.1To see it no equipment neededLook toward Centaurus

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.