B-type star · blue-white star

Sigma Aql

Sigma Aql is a blue-white star in the constellation Aquila 780 ly from Earth. Its surface is about 10,138 K, about 1.8 times the Sun's surface temperature, and it shines at 422× the Sun's brightness. At magnitude 5.2 it is bright enough to see with the naked eye; the light you see left it 780 years ago.

780 lybrightness mag 5.18B3V + B3V

Also catalogued as HR 7474 · HD 185507 · HIP 96665

10,138 K
temperature
5.18
apparent magnitude
422× ☉
luminosity vs Sun
B3V + B3V
spectral type
Distance & comparison with our Sun
780 years
at light speed from Earth
1.76×
as hot as the Sun
422×
the Sun's light output
-1.71
absolute magnitude
Explore from here · roam the neighborhood
Sigma AqlB-type
Sky regionAquilathis direction
StarHR 741550 ly
StarHR 763688 ly
Star21 Aql120 ly
StarTarazedstar
StarOkabstar
Nearest stars
Bright stars in Aquila
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.2To see it no equipment neededLook toward Aquila

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.