K-type star · orange

Alpha Sct

Alpha Sct is an orange in the constellation Scutum 199 ly from Earth. Its surface is about 4,091 K, about 0.7 times the Sun's surface temperature, and it shines at 93.58× the Sun's brightness. At magnitude 3.9 it is bright enough to see with the naked eye; the light you see left it 199 years ago.

199 lybrightness mag 3.85K2III

Also catalogued as HR 6973 · HD 171443 · HIP 91117

4,091 K
temperature
3.85
apparent magnitude
93.58× ☉
luminosity vs Sun
K2III
spectral type
Distance & comparison with our Sun
199 years
at light speed from Earth
0.71×
as hot as the Sun
93.58×
the Sun's light output
-0.08
absolute magnitude
Explore from here · roam the neighborhood
Alpha SctK-type
Sky regionScutumthis direction
StarDelta Sct7.5 ly
StarZeta Sct13 ly
StarHR 689019 ly
StarBeta Sctstar
StarGamma Sctstar
Nearest stars
Bright stars in Scutum
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 3.9To see it no equipment neededLook toward Scutum

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.