Beta Equulei
Encyclopedia
Beta Equulei (Beta Equ, β Equulei, β Equ) is an A-type main sequence star
in the constellation
of Equuleus. It has an overall apparent visual magnitude of approximately 5.159.
β Equulei has four optical visual companions
. They are not physically related to the star described above.
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
of Equuleus. It has an overall apparent visual magnitude of approximately 5.159.
β Equulei has four optical visual companions
Double star
In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because the pair forms a binary star, i.e...
. They are not physically related to the star described above.