Algol is a three-star system, consisting of Beta Persei Aa1, Aa2, and Ab – in which the hot luminous primary β Persei Aa1 and the larger, but cooler and fainter, β Persei Aa2 regularly …

Apr 22, 2020 · Algol, Beta Persei (β Per) is a triple star system located in the constellation Perseus. Commonly known as the Demon Star, it is one of the best-known variable stars in …

Algol, also designated as β Persei (beta Persei), is a variable and multiple main-sequence star of spectral class B8 in the constellation of Perseus. Algol visual magnitude is 2.12, making it the …

Oct 31, 2024 · The primary, Algol A, is a hot, blue, main-sequence star, while Algol B is a cooler K2 giant with a yellowish cast. You can’t separate the two visually — they orbit each other far …

Feb 4, 2020 · Algol, known as Beta Persei, is a multiple star system located in the constellation of Perseus. It is one of the first non-nova variable stars to be discovered and it is also colloquially …

Apr 28, 2019 · 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 (Beta Persei, B Persei) is the second brightest star in the Constellation Perseus, after Mirfak (alpha Persei), and one of the best known variable stars in the night sky. Algol variable stars …

Algol is located in Perseus among the stars of the Milky Way. It's positioned west of first magnitude star Capella and southeast of the "W" asterism of Cassiopeia . At it's brightest, …

Feb 17, 2024 · As Algol B crosses in front of its brighter partner, it blocks a portion of its light, causing Algol to dim by about 2.3 magnitudes—a noticeable change among the sea of steady …

Algol (β Per / Beta Persei), known colloquially as the Demon Star, is a bright star in the constellation Perseus. It is one of the best known eclipsing binaries, the first such star to be …