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An eclipsing binary star is a binary star system in which the orbital plane of the two stars lies so nearly in the line of sight of the observer that the components undergo mutual eclipses. [20] In the case where the binary is also a spectroscopic binary and the parallax of the system is known, the binary is quite valuable for stellar analysis.
A binary system whose stars share an envelope may also be called an overcontact binary. [1] [2] The term "contact binary" was introduced by astronomer Gerard Kuiper in 1941. [3] Almost all known contact binary systems are eclipsing binaries; [4] eclipsing contact binaries are known as W Ursae Majoris variables, after their archetype star, W ...
The following is a list of variable stars that are well-known, ... Eclipsing binary Algol type (EA/GS) R Aur: Auriga 6 m.7 13 m.9 7.2: 458 d Mira variable (M)
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.
In 1996, this star was found to be an Algol-type eclipsing binary based on photometric observations made with the Hipparcos space observatory. It was assigned the variable-star designation LL Aqr in 1999. [9] This is a detached system forming a double-lined spectroscopic binary.
This is an eclipsing binary variable, first identified by the Northern Sky Variability Survey survey in 2004 [4] and given its variable-star designation BX Trianguli in 2010. Both stars in the system eclipse each other as seen from Earth, causing the brightness of the system to drop from a magnitude of 12.35 to 12.6/12.7 on the secondary ...
Both stars (the filled regions) overfill their Roche lobes (enclosed by the black lines). A W Ursae Majoris variable, also known as a low mass contact binary, is a type of eclipsing binary variable star. These stars are close binaries of spectral types F, G, or K that share a common envelope of material and are thus in contact with one another.
Pages in category "Eclipsing binaries" ... This list may not reflect recent changes. * Eclipsing binary; 0–9. 1 Persei; 2 Lyncis;