B-type star · blue-white star

HD 137366

HD 137366 is a blue-white star in the constellation Apus 1,289 ly from Earth. Its surface is about 11,779 K, about 2.0 times the Sun's surface temperature, and it shines at 378× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 1,289 years ago.

1,289 lybrightness mag 6.39B3V

Also catalogued as HIP 75959

11,779 K
temperature
6.39
apparent magnitude
378× ☉
luminosity vs Sun
B3V
spectral type
Distance & comparison with our Sun
1,289 years
at light speed from Earth
2.04×
as hot as the Sun
378×
the Sun's light output
-1.59
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook 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.