Betelgeuse
Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star located in the constellation Orion, the Hunter. It has an estimated radius about 764 times… Read More »Betelgeuse
Semiregular Variable Stars
Brachium (Sigma Librae)
Brachium, Sigma Librae A (σ Lib A) is the primary component of a binary star system located approximately 288 light-years from the solar system in… Read More »Brachium (Sigma Librae)
UY Scuti
UY Scuti is a red supergiant or red hypergiant star located in the direction of the constellation Scutum. With a radius of 909 solar radii,… Read More »UY Scuti
Tiaki (Beta Gruis)
Tiaki, Beta Gruis (β Gru) is a red giant star located approximately 177 light-years away in the constellation Grus (the Crane). With an apparent magnitude… Read More »Tiaki (Beta Gruis)
Minelauva (Delta Virginis)
Minelauva, Delta Virginis (δ Vir), is a red giant star located 198 light-years away in the constellation Virgo. With an apparent magnitude that varies between… Read More »Minelauva (Delta Virginis)
NML Cygni
NML Cygni is a red hypergiant star located approximately 5,250 light-years away in the northern constellation Cygnus. With an apparent magnitude of 16.60, the star… Read More »NML Cygni
VY Canis Majoris
VY Canis Majoris (VY CMa) is a red supergiant or red hypergiant star located at an approximate distance of 3,820 light-years from Earth in the… Read More »VY Canis Majoris