It is also home to one of two newly discovered yellow supergiant eclipsing binary systems.

The progenitor may have been a highly luminous yellow supergiant with an initial mass of 18-24 solar masses.

It is a yellow supergiant.

It is a yellow supergiant and is a pulsating variable known as a RV Tauri variable.

While they do this, they do not stay for long in the yellow supergiant G classification as this is an extremely unstable place for a supergiant to be.

It has a luminosity of 5250 L. β Aquarii, sometimes called Sadalsuud, is a G0 spectral class star (yellow supergiant) named for the Arabic phrase meaning "luckiest of the lucky stars".

A yellow supergiant (YSG) is a supergiant star of spectral type F or G. These stars have initial masses between about 10 and 40 solar masses, although some yellow supergiants will have lost over half of that.

There are now two main explanations that can account for the known observed characteristics: a high mass model where the primary is a yellow supergiant of around 15 M ; and a low mass model where the primary is about 2 M and a less luminous evolved star.

By contrast, three centuries before Ptolemy, Chinese astronomers observed Betelgeuse as having a yellow coloration, suggesting that the star may have spent time as a yellow supergiant around the beginning of the common era, an intriguing possibility given current research into the complex circumstellar environment of these stars.