He I 10830 observations of the 3N/M4.0 flare of 4 September, 1982

Details He I 10830 observations of the 3N/M4.0 flare of 4 September, 1982 He I 10830 observations of the 3N/M4.0 flare of 4 September, 1982

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984soph...91..127h&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 91, March 1984, p. 127-139. USAF-supported research.

Astronomy and Astrophysics

Astronomy

14

Helium, Infrared Astronomy, Solar Corona, Solar Flares, Spectroheliographs, Coronal Loops, H Alpha Line, X Ray Astronomy

Scientific paper

He I 10830 Å spectroheliograms of a major 3N two-ribbon flare occurring in Boulder Region 3885/3886 early on 4 September, 1982 are discussed and compared with Hα and soft X-ray observations of the event. This flare, observed for more than 60 hr in He I 10830, was associated with the eruption of a large filament in the active region complex, the formation of coronal holes, a long-duration soft X-ray event, and was the probable source of an earthward coronal mass ejection and the largest geomagnetic storm of this solar cycle. The results of this study suggest the He I flare is a chromospheric manifestation of the X-ray coronal loop structures associated with flares.

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