Cetus B is a star located in the constellation of Cetus, which is often referred to as the Whale. It is a red giant star, meaning it has expanded and cooled after exhausting the hydrogen in its core. This star is part of a larger group of stars that make up the constellation, which is visible in the night sky. The brightness of Cetus B makes it an interesting object for amateur astronomers. It is classified as a variable star, meaning its brightness can change over time. This variability can be caused by factors such as pulsations in the star's outer layers.