
Accueil > Termes > Philippin (TL) > Algol (beta Per, Demon bituin)
Algol (beta Per, Demon bituin)
1) ng isang eclipsing sistema ng hindi bababa sa tatlong bahagi (B8 V, K0, Naiistorbo). Panahon ng bahagi A at B ay tungkol sa 68.8 oras; panahon ng bahagi A, B, at C ay tungkol sa 1.9 taon. Long term obserbasyon ring ipahiwatig ang isang napakalaking, tago na ikaapat na bahagi sa isang panahon ng tungkol sa 190 taon. Algol din ang isang mali-mali source radio ng tungkol sa 0.5 AU diameter.
2) Ang pinaka-tanyag eclipsing binary, Algol ay marahil ang unang variable bituin natuklasan. Namamalagi sa konstelasyon ng Perseus at binubuo ng dalawang bituin na orbit bawat isa sa bawat 2.87 na araw. Kapag ang isang bituin ay magbabalik sa harap ng iba pang, ang liwanag ng sistema ang dims.
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- Secteur d’activité/Domaine : Astronomie
- Catégorie : l'astronomie générale
- Company: Caltech
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