A-type star · white star

Seginus

Seginus is a white star in the constellation Boötes 86.8 ly from Earth. Its surface is about 8,233 K, about 1.4 times the Sun's surface temperature, and it shines at 37.50× the Sun's brightness. At magnitude 3.0 it is bright enough to see with the naked eye; the light you see left it 87 years ago.

86.8 lybrightness mag 3.04A7IIIvar

Also catalogued as Gamma Boo · HR 5435 · HD 127762 · HIP 71075

8,233 K
temperature
3.04
apparent magnitude
37.50× ☉
luminosity vs Sun
A7IIIvar
spectral type
Distance & comparison with our Sun
87 years
at light speed from Earth
1.43×
as hot as the Sun
37.50×
the Sun's light output
0.92
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.0To see it no equipment neededLook toward Boötes

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.