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Algol variables or Algol-type binaries are a class of eclipsing binary stars that are similar to the prototype member of this class, β Persei (Beta Persei, Algol). An Algol binary is a system where both stars are near-spherical such that the timing of the start and end of the eclipses is well-defined.
Algol / ˈ æ l ɡ ɒ l /, [12] designated Beta Persei (β Persei, abbreviated Beta Per, β Per), known colloquially as the Demon Star, is a bright multiple star in the constellation of Perseus and one of the first non-nova variable stars to be discovered. Algol is a three-star system, consisting of Beta Persei Aa1, Aa2, and Ab – in which the ...
Pages in category "Algol variables" The following 96 pages are in this category, out of 96 total. This list may not reflect recent changes. ...
Algol variable 48 Per: c: 48: MX: 25940: 19343: 04 h 08 m 39.67 s ... [for example: multiple star status, range of variability if it is a variable star, exoplanets ...
Algol variable, V max = 10.06 m, V min = 11 m, P = 11.72 d AB Cas: AB: 12235: 02 h 37 m 31.51 s +71° 18′ 16.3″ 10.32: 888: A3Vv+... Algol and δ Sct variable, V max = 10.1 m, V min = 11.85 m, P = 1.37 d V459 Cas: V459: 01 h 11 m 29.92 s +61° 08′ 48.0″ 10.36: B9: Algol variable BY Cas: BY: 8312: 01 h 47 m 11.92 s +61° 25′ 21.0″ 10 ...
U Coronae Borealis (U CrB) is an Algol-type eclipsing binary star system in the constellation Corona Borealis. Its apparent magnitude varies between 7.66 and 8.79 over a period of 3.45 days. [3] The component stars are a blue-white main sequence star of spectral type B6V and a cooler yellow-white subgiant star of spectral type F8III-IV. [4]
The second variable star to be described was the eclipsing variable Algol, by Geminiano Montanari in 1669; John Goodricke gave the correct explanation of its variability in 1784. Chi Cygni was identified in 1686 by G. Kirch, then R Hydrae in 1704 by G. D. Maraldi. By 1786, ten variable stars were known.
DN Orionis is an Algol variable [7] located in the constellation of Orion. The primary star is a spectral type A0 star and the secondary is an evolved giant star of type G5III. [ 4 ] The pair form a classical Algol-type system in which each star eclipses the other once per orbit, dropping the visual magnitude from 9.14 down to 9.62 at primary ...