Алголь

Also known as Beta Persei, 26 Persei

кратная затменная переменная звезда в созвездии Персея

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Algol is a bright star in the constellation Perseus, also known as the "Demon Star," that consists of multiple stars orbiting together. It is historically significant because it was one of the earliest variable stars discovered—stars whose brightness visibly changes over time—making it important in the development of astronomy.

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Wikidata facts

Constellation: Perseus
Distance from Earth: 93
Diameter: 5750000
Variable-star type: eclipsing binary star
Image: Algol AB movie imaged with the CHARA interferometer - labeled.gif

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Commons category: Algol
catalog code: UBV M 9337
spectral class: B8
parallax: 36.27
absolute magnitude: -0.15
color index: -0.37
radial velocity: 4.0
Commons gallery: Algol
described by source: Encyclopædia Britannica 11th edition
apparent magnitude: 2.08
stellar rotational velocity: 67
right ascension: 47.04221855625
declination: 40.95564667028
effective temperature: 12445
epoch: J2000.0
right ascension component of proper motion: 11
declination component of proper motion: -28
age estimated by a dating method: 570
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4

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Article · Русский

Алго́ль (β Per, 26 Per, Бета Персея) — кратная (тройная) затменная переменная звезда в созвездии Персея. Находится на расстоянии около 92,8 св. года от Солнца. Около 7,3 млн лет назад Алголь прошёл в 9,8 св. года от Солнечной системы и его видимая звёздная величина тогда составляла около −2,5m.

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Алголь

Wikidata facts

Article · Русский

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