The surge events of June 28 and October 30, 1980

Details The surge events of June 28 and October 30, 1980 The surge events of June 28 and October 30, 1980

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...238..347h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 238, no. 1-2, Nov. 1990, p. 347-353.

Astronomy and Astrophysics

Astrophysics

1

Solar Activity, Solar Maximum Mission, Emission Spectra, H Alpha Line, Solar Prominences, X Ray Imagery

Scientific paper

Similarities between two surge events, observed using the High Altitude Observatory's Prominence Monitor on Mauna Loa, Hawaii and the Hard X-ray Imaging Spectrometer on NASA's Solar Maximum Mission, are discussed. In both events, a soft X-ray burst occurs adjacent to a large quiescent prominence structure. After the onset of the burst, a surge occurs in loop structures adjacent to the burst side and on the side remote from the prominence. It is observed that, even though the surge is removed physically from the burst side, it appears to be related to the burst activity. It is suggested that the burst activity and H-alpha ejecta are different manifestations of a single event involving a large-scale structure. These results are not consistent with those obtained using previous models of such events.

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