Alternate Definitions for arch filament system

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Term: arch filament system
Definition:

A system of small, arched linear-absorption H-alpha features connecting bright, compact plage of opposite polarity. An AFS is a sign of emerging bipolar magnetic flux and possibly rapid or continued growth in an active region.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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