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On the presence of linear polarization in the flare on 26 June, 1999
Solar flare on 26 June 1999 was accompanied by radio bursts giving an indirect evidence of accelerated superthermal particle beams. It is generally believed that this effect can stimulate an impact linear polarization in Balmer series spectral lines. The flare was observed simultaneously by the Ondř...
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Published in: | Proceedings of the International Astronomical Union 2004-06, Vol.2004 (IAUS223), p.463-464 |
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container_issue | IAUS223 |
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container_title | Proceedings of the International Astronomical Union |
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creator | Kotrč, P. Kashapova, L. K. Kupryakov, J. A. |
description | Solar flare on 26 June 1999 was accompanied by radio bursts giving an indirect evidence of accelerated superthermal particle beams. It is generally believed that this effect can stimulate an impact linear polarization in Balmer series spectral lines. The flare was observed simultaneously by the Ondřejov Multichannel Flare Spectrograph (MFS) and by the Large Solar Vacuum Telescope (LSVT) using the polarization optics in the H$\alpha$ line. Spectropolarimetric data obtained by the two instruments are analyzed, however no substantial linear polarization was detected. Both spectral and auxiliary data, including radio and X-ray observations are analyzed to discuss possible reasons of the lack of linear polarization.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html |
doi_str_mv | 10.1017/S1743921304006519 |
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title | On the presence of linear polarization in the flare on 26 June, 1999 |
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