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The energy sources of CME acceleration
We investigate the possibility that during the fast acceleration phase of a coronal mass ejection (CME), a freely propagating shock wave could be launched. We test this hypothesis by calculating the speeds of blast waves by using the Taylor-Sedov equation in changing density solar atmosphere, and co...
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Головна астрономічна обсерваторія НАН України
2012
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| Series: | Advances in Astronomy and Space Physics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/119190 |
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irk-123456789-1191902017-06-05T03:04:00Z The energy sources of CME acceleration Allawi, H. Pohjolainen, S. We investigate the possibility that during the fast acceleration phase of a coronal mass ejection (CME), a freely propagating shock wave could be launched. We test this hypothesis by calculating the speeds of blast waves by using the Taylor-Sedov equation in changing density solar atmosphere, and compare these speeds with the radio type II burst speeds during the CME event on 17 February 2000. The matching speeds and the realistic value of the blast wave energy, 10²⁴ J, lead us to suggest that the CME acceleration phase may involve shocks separating from the initial CME driver. 2012 Article The energy sources of CME acceleration / H. Allawi, S. Pohjolainen // Advances in Astronomy and Space Physics. — 2012. — Т. 2., вип. 2. — С. 157-160. — Бібліогр.: 14 назв. — англ. 2227-1481 http://dspace.nbuv.gov.ua/handle/123456789/119190 en Advances in Astronomy and Space Physics Головна астрономічна обсерваторія НАН України |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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English |
| description |
We investigate the possibility that during the fast acceleration phase of a coronal mass ejection (CME), a freely propagating shock wave could be launched. We test this hypothesis by calculating the speeds of blast waves by using the Taylor-Sedov equation in changing density solar atmosphere, and compare these speeds with the radio type II burst speeds during the CME event on 17 February 2000. The matching speeds and the realistic value of the blast wave energy, 10²⁴ J, lead us to suggest that the CME acceleration phase may involve shocks separating from the initial CME driver. |
| format |
Article |
| author |
Allawi, H. Pohjolainen, S. |
| spellingShingle |
Allawi, H. Pohjolainen, S. The energy sources of CME acceleration Advances in Astronomy and Space Physics |
| author_facet |
Allawi, H. Pohjolainen, S. |
| author_sort |
Allawi, H. |
| title |
The energy sources of CME acceleration |
| title_short |
The energy sources of CME acceleration |
| title_full |
The energy sources of CME acceleration |
| title_fullStr |
The energy sources of CME acceleration |
| title_full_unstemmed |
The energy sources of CME acceleration |
| title_sort |
energy sources of cme acceleration |
| publisher |
Головна астрономічна обсерваторія НАН України |
| publishDate |
2012 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/119190 |
| citation_txt |
The energy sources of CME acceleration / H. Allawi, S. Pohjolainen // Advances in Astronomy and Space Physics. — 2012. — Т. 2., вип. 2. — С. 157-160. — Бібліогр.: 14 назв. — англ. |
| series |
Advances in Astronomy and Space Physics |
| work_keys_str_mv |
AT allawih theenergysourcesofcmeacceleration AT pohjolainens theenergysourcesofcmeacceleration AT allawih energysourcesofcmeacceleration AT pohjolainens energysourcesofcmeacceleration |
| first_indexed |
2023-10-18T20:33:58Z |
| last_indexed |
2023-10-18T20:33:58Z |
| _version_ |
1796150534312296448 |