M-type star · red

Gamma Sge

Gamma Sge is a red in the constellation Sagitta 258 ly from Earth. Its surface is about 3,690 K, about 0.6 times the Sun's surface temperature, and it shines at 216× the Sun's brightness. At magnitude 3.5 it is bright enough to see with the naked eye; the light you see left it 258 years ago.

258 lybrightness mag 3.51K5III

Also catalogued as HR 7635 · HD 189319 · HIP 98337

3,690 K
temperature
3.51
apparent magnitude
216× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
258 years
at light speed from Earth
0.64×
as hot as the Sun
216×
the Sun's light output
-0.98
absolute magnitude
Explore from here · roam the neighborhood
Gamma SgeM-type
Sky regionSagittathis direction
StarZeta Sge11 ly
StarHR 777436 ly
Star4 Vul39 ly
StarDelta Sgestar
StarShamstar
Nearest stars
Bright stars in Sagitta
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.5To see it no equipment neededLook toward Sagitta

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.