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STEREO observations of shock formation in the solar wind
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| Zeitschriftentitel: | Geophysical Research Letters |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Geophysical Research Letters, 36, 2009, 2 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Russell, C. T. Jian, L. K. Blanco Cano, X. Luhmann, J. G. Zhang, T. L. Russell, C. T. Jian, L. K. Blanco Cano, X. Luhmann, J. G. Zhang, T. L. |
|---|---|
| author |
Russell, C. T. Jian, L. K. Blanco Cano, X. Luhmann, J. G. Zhang, T. L. |
| spellingShingle |
Russell, C. T. Jian, L. K. Blanco Cano, X. Luhmann, J. G. Zhang, T. L. Geophysical Research Letters STEREO observations of shock formation in the solar wind General Earth and Planetary Sciences Geophysics |
| author_sort |
russell, c. t. |
| spelling |
Russell, C. T. Jian, L. K. Blanco Cano, X. Luhmann, J. G. Zhang, T. L. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2008gl036337 <jats:p>During solar minimum, the majority of shocks observed at 1 AU are associated with interactions between fast and slow streams, appearing as the pressure ridge between the streams narrows, and as the fast mode speed becomes smaller than the velocity jump between streams. Shocks are believed to strengthen when following shock waves catch up with the leading shock. STEREO observations confirm this behavior for very weak shocks. We can also put limits on the location of the shock‐forming region by examining the periods of alignment between Venus and STEREO. In a period in which we see nine shocks at 1 AU, we see no shocks at 0.72 AU. Hence, stream interactions from 0.72 AU to 1 AU are responsible for the development of most of the shocks observed at 1 AU during solar minimum.</jats:p> STEREO observations of shock formation in the solar wind Geophysical Research Letters |
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American Geophysical Union (AGU) |
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Geophysical Research Letters |
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| title |
STEREO observations of shock formation in the solar wind |
| title_unstemmed |
STEREO observations of shock formation in the solar wind |
| title_full |
STEREO observations of shock formation in the solar wind |
| title_fullStr |
STEREO observations of shock formation in the solar wind |
| title_full_unstemmed |
STEREO observations of shock formation in the solar wind |
| title_short |
STEREO observations of shock formation in the solar wind |
| title_sort |
stereo observations of shock formation in the solar wind |
| topic |
General Earth and Planetary Sciences Geophysics |
| url |
http://dx.doi.org/10.1029/2008gl036337 |
| publishDate |
2009 |
| physical |
|
| description |
<jats:p>During solar minimum, the majority of shocks observed at 1 AU are associated with interactions between fast and slow streams, appearing as the pressure ridge between the streams narrows, and as the fast mode speed becomes smaller than the velocity jump between streams. Shocks are believed to strengthen when following shock waves catch up with the leading shock. STEREO observations confirm this behavior for very weak shocks. We can also put limits on the location of the shock‐forming region by examining the periods of alignment between Venus and STEREO. In a period in which we see nine shocks at 1 AU, we see no shocks at 0.72 AU. Hence, stream interactions from 0.72 AU to 1 AU are responsible for the development of most of the shocks observed at 1 AU during solar minimum.</jats:p> |
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| author | Russell, C. T., Jian, L. K., Blanco Cano, X., Luhmann, J. G., Zhang, T. L. |
| author_facet | Russell, C. T., Jian, L. K., Blanco Cano, X., Luhmann, J. G., Zhang, T. L., Russell, C. T., Jian, L. K., Blanco Cano, X., Luhmann, J. G., Zhang, T. L. |
| author_sort | russell, c. t. |
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| description | <jats:p>During solar minimum, the majority of shocks observed at 1 AU are associated with interactions between fast and slow streams, appearing as the pressure ridge between the streams narrows, and as the fast mode speed becomes smaller than the velocity jump between streams. Shocks are believed to strengthen when following shock waves catch up with the leading shock. STEREO observations confirm this behavior for very weak shocks. We can also put limits on the location of the shock‐forming region by examining the periods of alignment between Venus and STEREO. In a period in which we see nine shocks at 1 AU, we see no shocks at 0.72 AU. Hence, stream interactions from 0.72 AU to 1 AU are responsible for the development of most of the shocks observed at 1 AU during solar minimum.</jats:p> |
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| imprint_str_mv | American Geophysical Union (AGU), 2009 |
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| source_id | 49 |
| spelling | Russell, C. T. Jian, L. K. Blanco Cano, X. Luhmann, J. G. Zhang, T. L. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2008gl036337 <jats:p>During solar minimum, the majority of shocks observed at 1 AU are associated with interactions between fast and slow streams, appearing as the pressure ridge between the streams narrows, and as the fast mode speed becomes smaller than the velocity jump between streams. Shocks are believed to strengthen when following shock waves catch up with the leading shock. STEREO observations confirm this behavior for very weak shocks. We can also put limits on the location of the shock‐forming region by examining the periods of alignment between Venus and STEREO. In a period in which we see nine shocks at 1 AU, we see no shocks at 0.72 AU. Hence, stream interactions from 0.72 AU to 1 AU are responsible for the development of most of the shocks observed at 1 AU during solar minimum.</jats:p> STEREO observations of shock formation in the solar wind Geophysical Research Letters |
| spellingShingle | Russell, C. T., Jian, L. K., Blanco Cano, X., Luhmann, J. G., Zhang, T. L., Geophysical Research Letters, STEREO observations of shock formation in the solar wind, General Earth and Planetary Sciences, Geophysics |
| title | STEREO observations of shock formation in the solar wind |
| title_full | STEREO observations of shock formation in the solar wind |
| title_fullStr | STEREO observations of shock formation in the solar wind |
| title_full_unstemmed | STEREO observations of shock formation in the solar wind |
| title_short | STEREO observations of shock formation in the solar wind |
| title_sort | stereo observations of shock formation in the solar wind |
| title_unstemmed | STEREO observations of shock formation in the solar wind |
| topic | General Earth and Planetary Sciences, Geophysics |
| url | http://dx.doi.org/10.1029/2008gl036337 |