Measurements of Faraday Rotation Through the Solar Corona During the 2009 Solar Minimum with the MESSENGER Spacecraft

被引:0
作者
Elizabeth A. Jensen
Mario M. Bisi
Andrew R. Breen
Carl Heiles
Toney Minter
Faith Vilas
机构
[1] Planetary Science Institute,Institute of Mathematics and Physics (IMAPS)
[2] ACS Consulting/ACS Engineering & Safety,Department of Astronomy
[3] Aberystwyth University (AU),undefined
[4] University of California,undefined
[5] Berkeley,undefined
[6] National Radio Astronomy Observatory,undefined
来源
Solar Physics | 2013年 / 285卷
关键词
Solar Corona; Faraday Rotation; Solar Magnetic Field; Polarization Observation; Messenger Signal;
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摘要
Measurements of Faraday rotation through the solar corona were collected using the radio beacon aboard the MESSENGER spacecraft during the longest solar minimum in a century. As MESSENGER entered superior conjunction, the plane of polarization of its radio signal was observed to rotate as it traversed the circularly birefringent plasma of the Sun’s atmosphere. On time scales of less than three hours, these uncalibrated plane of polarization observations of Faraday rotation can be used to investigate the dynamic processes in the solar plasma, such as magnetohydrodynamic (MHD) waves and coronal mass ejections (CMEs). Here we describe the MESSENGER Faraday rotation experiment, the data processing conducted to obtain the plane of polarization, and the estimation of error.
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页码:83 / 95
页数:12
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