UY Scuti is a red supergiant. 

Properties Edit

Though it was discovered long ago, we only recently discovered it's tremendous size! In 2012, it, along with KW Sagittarii and AH Scorpii were determined to be at least 1,000 times wider than the Sun. We eventually found out that it was 916 times wider than the Sun.

Diameter 1.25 billion km
Temperature 3,092 °C
Mass 10x Sun
Spectral Type M4 Ia
Apparent Magnitude +18.46
Gravity 0.8913 m/s2
Constellation Scutum