M-type star · red

13 Sge

13 Sge is a red in the constellation Sagitta 1,019 ly from Earth. Its surface is about 3,683 K, about 0.6 times the Sun's surface temperature, and it shines at 627× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 1,019 years ago.

1,019 lybrightness mag 5.33M4IIIa

Also catalogued as HR 7645 · HD 189577 · HIP 98438

3,683 K
temperature
5.33
apparent magnitude
627× ☉
luminosity vs Sun
M4IIIa
spectral type
Distance & comparison with our Sun
1,019 years
at light speed from Earth
0.64×
as hot as the Sun
627×
the Sun's light output
-2.14
absolute magnitude
Explore from here · roam the neighborhood
13 SgeM-type
Sky regionSagittathis direction
StarPsi Aql100 ly
StarHR 7816110 ly
StarHR 7656150 ly
StarGamma Sgestar
StarDelta Sgestar
Nearest stars
Bright stars in Sagitta
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.3To 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.