B-type star · blue-white star

Kappa¹ Aps

Kappa¹ Aps is a blue-white star in the constellation Apus 1,240 ly from Earth. Its surface is about 12,409 K, about 2.1 times the Sun's surface temperature, and it shines at 871× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 1,240 years ago.

1,240 lybrightness mag 5.40B1npe

Also catalogued as HR 5730 · HD 137387 · HIP 76013

12,409 K
temperature
5.40
apparent magnitude
871× ☉
luminosity vs Sun
B1npe
spectral type
Distance & comparison with our Sun
1,240 years
at light speed from Earth
2.15×
as hot as the Sun
871×
the Sun's light output
-2.50
absolute magnitude
Explore from here · roam the neighborhood
Kappa¹ ApsB-type
Sky regionApusthis direction
StarHD 13736662 ly
StarHR 5644100 ly
StarKappa TrA110 ly
StarParadysstar
StarGamma Apsstar
Nearest stars
Bright stars in Apus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.4To see it no equipment neededLook toward Apus

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.