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

被引：15

作者：

Jensen, Elizabeth A. ^{[1
,2
]}

Bisi, Mario M. ^{[3
]}

Breen, Andrew R. ^{[3
]}

Heiles, Carl ^{[4
]}

Minter, Toney ^{[5
]}

Vilas, Faith ^{[1
]}

机构：

[1] Planetary Sci Inst, Tucson, AZ 85719 USA

[2] ACS Consulting ACS Engn & Safety, Houston, TX 77090 USA

[3] Aberystwyth Univ AU, Inst Math & Phys IMAPS, Aberystwyth SY23 3BZ, Ceredigion, Wales

[4] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[5] Natl Radio Astron Observ, Green Bank, WV 24944 USA

来源：

SOLAR PHYSICS | 2013年 / 285卷 / 1-2期

关键词：

Solar Corona; Faraday Rotation; Solar Magnetic Field; Polarization Observation; Messenger Signal;

D O I：

10.1007/s11207-012-0213-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

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.

引用

页码：83 / 95

页数：13

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