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Alamak [Astro Entity]
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Užitečné informace pro astronomická pozorování.

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03

Témata pozorování
březen 2020

Webkamera na hvězdárně

astro:katalog:alamak

Alamak

(γ a / γ Andromedae)

  • Systém čtyř hvězd v souhvězdí Andromedy.
  • Taktéž znám pod názvem Almach (někdy psané jako Almaach, Almaack, Almak, Alamak).

Poznámky k demonstrování

  • Již v malých dalekohledech lze rozpoznat, že γ Andromedae je dvojhvězda.
  • Hlavní hvězda (γ1) má jasnost 2,13m a jedná se o silně zářivého oranžového jasného obra spektrálního typu K3IIb.
  • Menší složka (γ2) má jasnost 4,84m a od hlavní hvězdy je vzdálena 9,6 vteřin na pozičním úhlu 63°.

Odkazy

Autor fotografie Michal Kodriš michalkodris@tiscali.cz http://hvezdnouoblohou.wz.cz/andromeda.php#alamak
http://cs.wikipedia.org/wiki/Alamak


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astro/katalog/alamak.txt · Last modified: 07.04.2017 16:15 by tokubi

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