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Lyman alpha and h alpha solar activity monitoring from satellites and ground stations : Space weather predictions and application / Safinaz Ahmed Abdelrahman Khaled ; Supervised Magdy Yousef Amin , Shahinaz Yousef , Ahmed Ghitas

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Safinaz Ahmed Abdelrahman Khaled , 2020Description: 103 P. : charts , facsimiles ; 25cmOther title:
  • أستخدام الاقمار الصناعية و المحطات الارضيه لمراقبه النشاط الشمسى فى خطوط ليمان الفا واتش الف فى إطار التنبؤ و التطبيقات للبيئة الفضائية [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology Summary: This thesis studied the conditions of pre-eruptive filaments emerging regions several hours before maximum phase of filament eruptions.The study focused on the Lyman Alpha flux of the solar disk. we combined Lyman- Alpha flux with both H-Alpha and 171 Ao images from SDO to have better explanation of filament 3D shape eruptions. Lyman-Alpha data can provide early (precursor) detection on the disk, hours before filament/prominence eruptions.In order to have a good understanding of the pre-eruption conditions we need to identify the conditions for each case of eruption. We have thus created a list of filament eruptions and performed the allowing statistical study for it. This Filament\ Prominence eruption list divides in to confined and ejective eruptions. We use the solar dynamic observation SDO with AIA instrument 171 Ao) to determine the twist angle of the filament eruption for selecting confined or ejective filament
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.Ph.D.2020.Sa.L (Browse shelf(Opens below)) Not for loan 01010110083847000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.Ph.D.2020.Sa.L (Browse shelf(Opens below)) 83847.CD Not for loan 01020110083847000

Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology

This thesis studied the conditions of pre-eruptive filaments emerging regions several hours before maximum phase of filament eruptions.The study focused on the Lyman Alpha flux of the solar disk. we combined Lyman- Alpha flux with both H-Alpha and 171 Ao images from SDO to have better explanation of filament 3D shape eruptions. Lyman-Alpha data can provide early (precursor) detection on the disk, hours before filament/prominence eruptions.In order to have a good understanding of the pre-eruption conditions we need to identify the conditions for each case of eruption. We have thus created a list of filament eruptions and performed the allowing statistical study for it. This Filament\ Prominence eruption list divides in to confined and ejective eruptions. We use the solar dynamic observation SDO with AIA instrument 171 Ao) to determine the twist angle of the filament eruption for selecting confined or ejective filament

Issued also as CD

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