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Persistent URL http://purl.org/net/epubs/work/11259534
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Record Id 11259534
Title The 2009 Heliosphere Campaign: MESSENGER Data Analysis and Preliminary Results
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Abstract From 2007 to 2009, the Sun experienced its longest solar minimum in a century. Around November 2009, observations were made of this unusually-generated solar wind from 1 to 215 solar radii using the Greenbank Telescope (GBT), Effelsberg Telescope (Eff), the Ootacamund (Ooty) Radio Telescope (ORT), BSA-LPI, and the Solar-Terrestrial Environment Laboratory (STELab) arrays. Each observed a different set of radio sources and/or different frequencies (Table below). GBT measured the Faraday rotation (FR) of the MESSENGER (MESS) radio frequency (RF) signal from 1 to 5.5 solar radii, and Eff measured the scintillation of MESS (5.5 solar radii). We discovered a semi-periodic fluctuation in FR on 08 November around 20 minutes potentially consisting of an MHD wave, and on 10 November, a spatially limited discrete structure was present reversing the FR by 80 degrees. We will discuss our continuing analysis of this unique dataset.
Organisation STFC , RALSP
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Language English (EN)
Type Details URI(s) Local file(s) Year
Presentation Presented at AGU Fall Meeting 2010, San Francisco, California, USA, 13-17 Dec 2010. 2010
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