Reformation of a coronal helmet streamer by magnetic reconnection after a coronal mass ejection

Details Reformation of a coronal helmet streamer by magnetic reconnection after a coronal mass ejection Reformation of a coronal helmet streamer by magnetic reconnection after a coronal mass ejection

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.2785h&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 24, p. 2785-2788

Astronomy and Astrophysics

Astronomy

106

Astronomical Models, Coronal Loops, Solar Flares, Stellar Mass Ejection, Image Processing, Magnetic Fields, Neutral Sheets, Solar Observatories, Solar X-Rays

Scientific paper

A bright feature observed on Jan. 24-26, 1992 with the soft X-ray telescope on the YOHKOH spacecraft and with the coronameter at the Mauna Loa Solar Observatory assumed the appearance of a coronal helmet streamer as it slowly expanded. Mauna Loa observations from Jan. 22-24 indicate that a prominence eruption and coronal mass ejection occurred before this feature was seen. We interpret the Jan. 24-26 observations as evidence for 'reformation' of a magnetically closed helmet structure as a consequence of magnetic reconnection that proceeded along a vertical magnetic neutral sheet formed by the mass ejection.

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