Диагностика фотосферных джетов спокойной атмосферы Солнца

1Стодилка, МИ, 2Сухоруков, АВ, 1Присяжный, АИ
1Астрономическая обсерватория Львовского национального университета имени Ивана Франко, Львов, Украина
2Главная астрономическая обсерватория Национальной академии наук Украины, Киев, Украина
Kinemat. fiz. nebesnyh tel (Online) 2019, 35(5):48-84
Start Page: Физика Солнца
Мова: украинский
Анотація: 

По данным спектральных 2D-наблюдений спокойного участка центра диска Солнца в линии Fe I 557.609 нм путем решения обратной задачи переноса излучения построены гидродинамические 3D-модели фотосферных джетов. Полученные модели описывают термодинамические параметры и полное поле скоростей (вертикальных и горизонтальных). Показано, что рассматриваемые фотосферные джеты возникают при взаимодействии окружающей среды с полем магнитной трубки. Джеты находятся в области униполярного замагниченного нисходящего потока на месте столкновения двух горизонтальных потоков и возникают преимущественно на краю магнитных трубок. Наблюдаемые скорости движения газа являются дозвуковыми в нисходящих потоках джетов. Энерговыделение в фотосферных джетах локализовано преимущественно в слоях средней фотосферы, где избыточное давление оказывается максимальным. В сравнении с окружающей средой, плотность вещества в джетах существенно увеличена в верхних слоях и уменьшена в нижних слоях фотосферы.

Ключові слова: джеты, диагностика, Солнце, фотосфера
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