Діагностика фотосферних джетів спокійної атмосфери Сонця

1Стоділка, МІ, 2Сухоруков, АВ, 1Присяжний, АІ
1Астрономічна обсерваторія Львівського національного університету імені Івана Франка, Львів, Україна
2Головна астрономічна обсерваторія Національної академії наук України, Київ, Україна
Kinemat. fiz. nebesnyh tel (Online) 2019, 35(5):48-84
Start Page: Фізика Сонця
Мова: українська
Анотація: 

За даними спектральних 2D-спостережень спокійної ділянки центра диска Сонця в лінії Fe I 557.609 нм шляхом розв’язання оберненої задачі переносу випромінювання побудовано гідродинамічні 3D-моделі фотосферних джетів. Отримані моделі описують термодинамічні параметри і повне поле швидкостей (вертикальних і горизонтальних). Показано, що розглянуті фотосферні джети виникають при взаємодії навколишнього середовища з полем магнітної трубки. Джети перебувають в області уніполярного замагніченого низхідного потоку на місці зіткнення двох горизонтальних потоків і виникають здебільшого на краю магнітних трубок. Спостережувані швидкості руху газу є дозвуковими в низхідних потоках джетів. Енерговиділення у фотосферних джетах локалізоване переважно в шарах середньої фото-сфери, де надлишковий тиск виявляється максимальним. Порівняно з навколишнім середовищем, щільність речовини в джетах істотно збільшена у верхніх шарах і зменшена у нижніх шарах фотосфери.

Ключові слова: діагностика, джети, Сонце, фотосфера
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