Зорі типу SX Овна

Крива блиску зорі SX Овна за даними космічного апарату STEREO[1]

Зорі типу SX Овна — клас змінних зір. Зазвичай це зорі головної послідовності спектрального класу B підкласів від B0p до B9p. Вони є високотемпературними аналогами змінних типу α2 Гончих Псів і демонструють сильні магнітні поля та інтенсивні спектральні лінії He Я і Сі III[2]. Вони мають коливання яскравості приблизно 0,1 зоряної величини з періодами близько одного дня. Прототипом цього класу є зоря SX Овна, також відома під назвами 56 Овна і HD19832.

Примітки

  1. ↑ Wraight, K. T.; Fossati, L.; Netopil, M.; Paunzen, E.; Rode-Paunzen, M.; Bewsher, D.; Norton, A. J.; White, Glenn J. (February 2012). A photometric study of chemically peculiar stars with the STEREO satellites – I. Magnetic chemically peculiar stars. Monthly Notices of the Royal Astronomical Society. 420 (1): 757—772. doi:10.1111/j.1365-2966.2011.20090.x. Процитовано 26 жовтня 2021. 
  2. ↑ Good, Gerry A. (2012), Observing Variable Stars, The Patrick Moore Practical Astronomy Series, Springer Science & Business Media, с. 139, ISBN 9781447100553. 

Література

  • Samus N.N., Durlevich O.V., et al. Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.)

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