Alpha Cygni variable
Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time others parts expand. They are supergiant stars of spectral types B or A. Variations in brightness on the order of 0.1 magnitudes are associated with the pulsations, which often seem irregular, due to beating of multiple pulsation periods. The pulsations typically have periods of several days to several weeks. A large number (32) were discovered by Christoffel Waelkens and colleagues analysing Hipparcos data in a 1998 study.
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Alpha Cygni variable
Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time others parts expand. They are supergiant stars of spectral types B or A. Variations in brightness on the order of 0.1 magnitudes are associated with the pulsations, which often seem irregular, due to beating of multiple pulsation periods. The pulsations typically have periods of several days to several weeks. A large number (32) were discovered by Christoffel Waelkens and colleagues analysing Hipparcos data in a 1998 study.
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Alpha Cygni variables are vari ...... ipparcos data in a 1998 study.
@en
Alpha-Cygni-Sterne sind veränd ...... und die Stärke des Sternwinds.
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Las variables Alfa Cygni son e ...... entre magnitud +1,21 y +1,29.
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Les variables de type Alpha Cy ...... les magnitudes +1,21 et +1,29.
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Una variabile Alfa Cygni è una ...... di non ancora ben determinati.
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Переменные типа альфы Лебедя п ...... диапазоне от +1,21m до +1,29m.
@ru
はくちょう座α型変光星（はくちょうざアルファがたへんこうせい ...... おおいぬ座η星、おおいぬ座ο2星、カシオペヤ座κ星等がある。
@ja
天鵝座α型變星是顯示出非徑向脈動的變星，意味著當恆星表面有些 ...... 年的研究，分析依巴谷衛星的資料，發現了大量（32）此類變星。
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Alpha Cygni variables are vari ...... ipparcos data in a 1998 study.
@en
Alpha-Cygni-Sterne sind veränd ...... -Supernova explodieren werden.
@de
Las variables Alfa Cygni son e ...... varios días a varias semanas.
@es
Les variables de type Alpha Cy ...... les magnitudes +1,21 et +1,29.
@fr
Una variabile Alfa Cygni è una ...... con periodi abbastanza lunghi.
@it
Переменные типа альфы Лебедя п ...... диапазоне от +1,21m до +1,29m.
@ru
はくちょう座α型変光星（はくちょうざアルファがたへんこうせい ...... おおいぬ座η星、おおいぬ座ο2星、カシオペヤ座κ星等がある。
@ja
天鵝座α型變星是顯示出非徑向脈動的變星，意味著當恆星表面有些 ...... 年的研究，分析依巴谷衛星的資料，發現了大量（32）此類變星。
@zh
label
Alpha Cygni variable
@en
Alpha-Cygni-Stern
@de
Estrella variable Alfa Cygni
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Variabile Alfa Cygni
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Étoile variable de type Alpha Cygni
@fr
Переменная типа Альфы Лебедя
@ru
はくちょう座アルファ型変光星
@ja
天鵝座α型變星
@zh