B-type star · blue-white star

HD 104839

HD 104839 is a blue-white star in the constellation Centaurus 384 ly from Earth. Its surface is about 10,738 K, about 1.9 times the Sun's surface temperature, and it shines at 30.85× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 384 years ago.

384 lybrightness mag 6.48B9V

Also catalogued as HIP 58859

10,738 K
temperature
6.48
apparent magnitude
30.85× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
384 years
at light speed from Earth
1.86×
as hot as the Sun
30.85×
the Sun's light output
1.13
absolute magnitude
Explore from here · roam the neighborhood
HD 104839B-type
Sky regionCentaurusthis direction
StarRho Cen11 ly
StarHR 451627 ly
StarDelta Cen32 ly
StarMenkentstar
StarGamma Censtar
Nearest stars
Bright stars in Centaurus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook 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.