𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Magnetic Twist and Writhe of δ Active Regions

✍ Scribed by Lirong Tian; David Alexander; Yang Liu; Jing Yang


Book ID
106532226
Publisher
Springer
Year
2005
Tongue
English
Weight
754 KB
Volume
229
Category
Article
ISSN
0038-0938

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The magnetic fields of active regions
✍ Robert F. Howard 📂 Article 📅 1991 🏛 Springer 🌐 English ⚖ 720 KB

Magnetogram data are analyzed to study daily variations of tilt angles of the magnetic axes of active regions defined by magnetic fields measured with the Mount Wilson magnetograph. The period covered by this daily data set is 1967 through April 9, 1990. It is found that on average regions with posi