One of the largest known stars, UY Scuti is a red supergiant with a radius 1,700 times that of the Sun, located 9,500 light-years away. Known as “Herschel’s Garnet Star” due to its red hue ...
The observations found that J085039 is a HMXB consisting of a neutron star and a red supergiant companion of spectral type M2-3. This makes it only the second known galactic X-ray binary with a ...