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  2. Binary star - Wikipedia

    en.wikipedia.org/wiki/Binary_star

    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.

  3. LL Aquarii - Wikipedia

    en.wikipedia.org/wiki/LL_Aquarii

    LL Aquarii is an eclipsing binary star system in the equatorial constellation of Aquarius, abbreviated LL Aqr.At peak brightness it has a combined apparent visual magnitude of 9.23, [1] which is too dim to be visible to the naked eye.

  4. BX Trianguli - Wikipedia

    en.wikipedia.org/wiki/BX_Trianguli

    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 ...

  5. Algol variable - Wikipedia

    en.wikipedia.org/wiki/Algol_variable

    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.

  6. List of variable stars - Wikipedia

    en.wikipedia.org/wiki/List_of_variable_stars

    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)

  7. Contact binary - Wikipedia

    en.wikipedia.org/wiki/Contact_binary

    In astronomy, a contact binary is a binary star system whose component stars are so close that they touch each other or have merged to share their gaseous envelopes. 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]

  8. Category:Eclipsing binaries - Wikipedia

    en.wikipedia.org/wiki/Category:Eclipsing_binaries

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  9. VV Cephei - Wikipedia

    en.wikipedia.org/wiki/VV_Cephei

    VV Cephei is an eclipsing binary with the third longest known period. A red supergiant fills its Roche lobe when closest to a companion blue star, the latter appearing to be on the main sequence. Matter flows from the red supergiant onto the blue companion for at least part of the orbit and the hot star is obscured by a large disk of material.