Characterization of the slow wind in the outer corona
The study concerns the streamer belt observed at high spectral resolution during the minimum of solar cycle 23 with the Ultraviolet Coronagraph Spectrometer (UVCS) onboard SOHO. On the basis of a spectroscopic analysis of the O VI doublet, the solar wind plasma parameters are inferred in the extende...
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| Veröffentlicht in: | Advances in space research 2010-12, Vol.46 (11), p.1400-1408 |
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| container_issue | 11 |
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| container_title | Advances in space research |
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| creator | Abbo, Lucia Antonucci, Ester Mikić, Zoran Linker, Jon A. Riley, Pete Lionello, Roberto |
| description | The study concerns the streamer belt observed at high spectral resolution during the minimum of solar cycle 23 with the Ultraviolet Coronagraph Spectrometer (UVCS) onboard SOHO. On the basis of a spectroscopic analysis of the O VI doublet, the solar wind plasma parameters are inferred in the extended corona. The analysis accounts for the coronal magnetic topology, extrapolated through a 3D magneto-hydrodynamic model, in order to define the streamer boundary and to analyse the edges of coronal holes. The results of the analysis allow an accurate identification of the source regions of the slow coronal wind that are confirmed to be along the streamer boundary in the open magnetic field region. |
| doi_str_mv | 10.1016/j.asr.2010.08.008 |
| format | Article |
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| issn | 0273-1177 1879-1948 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Astronomy Corona Earth, ocean, space Exact sciences and technology External geophysics MHD model Solar wind Sun |
| title | Characterization of the slow wind in the outer corona |
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