VV Cephei, also known as HD 208816, is an eclipsing binary star system located in the constellation Cepheus. It is both a B[e] star and shell star. As a 5th magnitude star, it is visible to the naked eye under good observing conditions. VV Cephei is an eclipsing binary with the third longest known period.

2020年3月30日 · VV Cephei is an eclipsing binary star system located approximately 4,900 light years from Earth in the constellation Cepheus. It has an apparent magnitude of 4.91. The primary star in the system, VV Cephei A, is one of the largest known stars in the Milky Way.

Two of the most magnificent, and largest, stars of the sky lurk close together and rather anonymously within the dark interstellar dust clouds of Cepheus (the King): Herschel's Garnet Star (Mu Cephei) and the extraordinary variable and binary, VV …

VV Cephei is a eclipsing binary star in the Cepheus constellation. It is 5,000 light years from Earth. VV Cephei A is one of the largest known stars, being a red supergiant. Its diameter is more than a thousand times that of the Sun. [1] It is orbited by VV Cephei B, a blue star with 13–25 times the Solar radius.

2024年3月3日 · VV Cephei Star. In the vast cosmic expanse lies a stellar spectacle - VV Cephei, a captivating eclipsing binary star system residing in the celestial realm of Cepheus. This cosmic enigma, also known as HD 208816, beckons astronomers with its intriguing characteristics, blending the roles of a B[e] star and a shell star.

VV Cephei, also known as HD 208816, is an eclipsing binary star system located in the constellation Cepheus, approximately 4,900 light years from Earth. A red hypergiant fills the system's Roche lobe when closest to its companion blue …

2008年1月1日 · VV Cehpei is believed to be the second biggest star in our galaxy after VY Canis Majoris. Soundtrack: Backtrace by Francesco Stablum.

仙王座 VV 是一个位于仙王座的双星系统，分别由一颗红特超巨星及一颗蓝矮星组成，这两颗星各自填满了彼此的洛希瓣。这个双星系统距离地球约 4900 ly。

VV Cephei (HD208816) is the principal star of a class of massive eclipsing binary consisting of an M supergiant and a hot B type companion. Its optical spectrum is characterized by strong Balmer and [Fe II] emission line. The spectrum is of very complex type: M2Ia-Iabep + B8:Ve (composite spectra, with a very cool star and a hot star together).

VV Cephei (VV Cep / HD 208816) es una estrella variable situada en la constelación de Cefeo de magnitud aparente +4,91. Es una estrella binaria compuesta por una supergigante 3 roja, VV Cephei A, y una estrella blanco-azulada de la secuencia principal, VV Cephei B. El sistema se encuentra a unos 3000 años luz del sistema solar.