B-type star · blue-white star
Tau Her
Tau Her is a blue-white star in the constellation Hercules 307 ly from Earth. Its surface is about 12,508 K, about 2.2 times the Sun's surface temperature, and it shines at 211× the Sun's brightness. At magnitude 3.9 it is bright enough to see with the naked eye; the light you see left it 307 years ago.
Also catalogued as HR 6092 · HD 147394 · HIP 79992
12,508 K
temperature
3.91
apparent magnitude
211× ☉
luminosity vs Sun
B5IV
spectral type
Distance & comparison with our Sun
307 years
at light speed from Earth
2.17×
as hot as the Sun
211×
the Sun's light output
-0.96
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
VISIBLE TO THE NAKED EYE
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.