期刊
PLANETARY AND SPACE SCIENCE
卷 52, 期 15, 页码 1423-1434出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pss.2004.09.010
关键词
solar radio bursts; planetary emissions; space weather; LOFAR; emission processes; stellar radiophysics; extra-solar planets
The low frequency array (LOFAR) radiotelescope will be a powerful instrument for answering fundamental, unresolved scientific questions concerning solar system radio phenomena and related emissions from nearby stellar systems. This paper reviews the phenomena, emission mechanisms, open scientific questions, and LOFAR's capabilities. LOFAR will detect metric solar radio bursts in the corona and interplanetary medium, out to distances of order 10 solar radii, as well as Jovian radio emissions. Arguments are given that LOFAR may be sufficiently sensitive to detect stellar analoges of solar type II and III bursts, and may detect cyclotron-maser emissions from extra-solar planets. LOFAR may also aid space weather research, by passively detecting coronal mass ejections (CMEs) via scintillation and Faraday rotation effects, or by detecting radar signals bounced off CMEs and coronal density structures if a suitable solar radar is developed. (C) 2004 Elsevier Ltd. All rights reserved.
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