Tags: Star.
R Scuti (R Sct) is a star in the constellation of Scutum. It is a yellow supergiant and is a pulsating variable known as a RV Tauri variable.It was discovered in 1795 by Edward Pigott at a time when only a few variable stars were known to exist. R Sct is the brightest of the RV Tau-type stars and the American Association of Variable Star Observers (AAVSO) contains over 110000 observations of this star.
