Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.1008a&link_type=abstract
American Astronomical Society, SPD meeting #40, #10.08; Bulletin of the American Astronomical Society, Vol. 41, p.824
Astronomy and Astrophysics
Astronomy
Scientific paper
It is known that the fine structures of filaments/prominences show counter-streaming motion. We found that the counter-streaming could be an outcome of return flows at the edge of filaments/prominences. We picked an intermediate prominence that showed a dominant horizontal motion. The trajectories of the plasma fragments in this prominence showed that most of the plasma in this prominence changed their direction near the edge of prominence structure. This implies that the counter-streaming may be represented by plasma which move back and forth along the horizontal magnetic field lines. We assumed that there could be magnetic pillar-like structures near the edge, so that they could increase magnetic pressure near the edge, pulling the plasma back to the original position.
Ahn Kwangsu
Chae Jongchul
Goode Philip
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