RW Cephei is a K-type hypergiant and a semirregular variable star in the constellation Cepheus, at the edge of the Sharpless 132 H II region and close to the small open cluster Berkeley 94.

Jan 10, 2024 · The first close-up images of the gigantic star RW Cephei explain why it appeared to mysteriously grow dimmer in recent years before brightening once more.

Jan 9, 2024 · Astronomers were able to get the first-ever close-up images of a huge star called RW Cephei that recently exhibited strange fading. The images offer novel clues regarding …

Jan 8, 2024 · Detailed images and observations along with intelligent algorithms created by the team of scientists suggest a grand eruption that launched a gas cloud from RW Cephei, …

With a radius of more than a thousand times that of the Sun, and weighing more than 25 Solar masses, RW Cephei is a giant among supergiants—a so-called “hypergiant.”

Jan 10, 2024 · Astronomers Wolfgang Vollmann and Costantino Sigismondi announced in 2022 that RW Cephei had faded dramatically over the previous few years.

Jan 12, 2024 · Astronomers have captured close-up images of a massive star, RW Cephei, that experienced a strange fading event.

3 days ago · RW Cephei is a star, so you don't need a telescope or binoculars when you look up on a clear night. The lower the magnitude, the easier it will be to see it. RW Cephei is a slow …

Jul 31, 2023 · We present the first resolved images of RW Cephei that we obtained with the CHARA Array interferometer. The angular diameter and Gaia distance estimates indicate a …

Oct 14, 2025 · RW Cephei is classified as a K2 0-Ia type star, indicating it is a massive, luminous star at a late stage of its life. The star is massive and large compared to most stars, making it …