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16421

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DataCite Commons2023-04-21 更新2025-04-15 收录
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http://esdcdoi.esac.esa.int/doi/html/data/astronomy/hst/16421.html
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资源简介:
Magnetic grand minima (MGM) are mysterious episodes when the Sun.s magnetic dynamo cycle d_commatakes a siestad_comma and goes into temporary quiescence. The phenomenon has never been observed in modern times what was the Sun like thenquestionMark Recently a star was observed to have a decaying cycle amplitude (in Ca HK) comma making it a strong candidate for an MGM episode. We propose to study the star with Chandra and HST comma to explore magnetic heating throughout its outer atmosphere. Results will be compared with cycle minima and stars with d_commaflat activityd_comma (objects which may be in MGM or have d_commadeadd_comma dynamos) to explore similarities and differences comma and reveal what may lie in store for our own Sun in the near future.
提供机构:
European Space Agency
创建时间:
2023-04-21
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