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Eta Persei (η Persei, abbreviated Eta Per, η Per), is a binary star and the 'A' component of a triple star system (the 'B' component is the star HD 237009) [8] in the constellation of Perseus. Parallax measurements by the Gaia spacecraft imply that it is 1,000 is light-years away from Earth. [1]
12 mar 2024 · Algol (Beta Persei) is a fascinating binary star system in Perseus. Known as the "Demon Star," Algol exhibits periodic eclipses, causing its brightness to vary. This variable star has captivated astronomers and sky gazers for centuries.
22 kwi 2020 · Algol (β Persei) is a triple-star system (Algol A, B, and C) in the constellation Perseus, in which the large and bright primary Algol A is regularly eclipsed by the dimmer Algol B every 2.87 days.
Perseus contains eight named stars. The proper names of stars that have been officially approved by the International Astronomical Union (IAU) are Algol, Atik, Berehinya, Menkib, Miram, Mirfak, Misam, and Muspelheim.
10 wrz 2020 · Phi Persei is a binary star located at around 720 light-years away from us. It has a combined apparent magnitude of 4.06, and it consists of a blue main-sequence star and a hot subdwarf star. Phi Persei is also a Gamma Cassiopeia variable star, with its brightness varying from magnitude 3.96 to 4.11.
Other notable star systems in Perseus include X Persei, a binary system containing a neutron star, and GK Persei, a nova that peaked at magnitude 0.2 in 1901. The Double Cluster, comprising two open clusters quite near each other in the sky, was known to the ancient Chinese.
6 lis 2019 · Zeta Persei: The third-brightest star in Perseus is a blue-white supergiant with a magnitude of 2.86. X Persei : This a binary star system. One of its two members is a neutron star.
