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STEREO-Wind Radio Positioning of an Unusually Slow Drifting Event
Martinez-Oliveros, J. C.; Raftery, C.; Bain, H.; Liu, Y.; Pulupa, M.; Saint-Hilaire, P.; Higgins, P.; Krupar, V.; Krucker, Saem; Bale, S. D.; Martinez-Oliveros, JC (reprint author), Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA.
Department空间科学部
Source PublicationSOLAR PHYSICS
2015
Volume290Issue:3Pages:891-901
ISSN0038-0938
Language英语
KeywordSolar Radio Emission Solar Radio Bursts Type Ii
AbstractOn 13 March 2010 an unusually long-duration event was observed by radio spectrographs onboard the STEREO-B and Wind spacecraft. The event started at about 13: 00 UT and ended at approximately 06: 00 UT on 14 March. The event presents itself as slow drifting, quasi-continuous emission in a very narrow frequency interval, with an apparent frequency drift from about 625 kHz to approximately 425 kHz. Using the Leblanc, Dulk, and Bougeret (Solar Phys. 183, 165, 1998) interplanetary density model, we determined that the drift velocities of the radio source are approximate to 33 kms(-1) and approximate to 52 kms(-1) for 0.2 and 0.5 times the densities of Leblanc model, respectively, with a normalization density of 7.2 cm(-3) at 1 AU and assuming harmonic emission. A joint analysis of the radio direction-finding data, coronograph white-light observations and modeling revealed that the radio sources appear to be located in interaction regions with relatively high density and slow solar wind speed.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4601
Collection空间科学部
Corresponding AuthorMartinez-Oliveros, JC (reprint author), Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA.
Recommended Citation
GB/T 7714
Martinez-Oliveros, J. C.,Raftery, C.,Bain, H.,et al. STEREO-Wind Radio Positioning of an Unusually Slow Drifting Event[J]. SOLAR PHYSICS,2015,290(3):891-901.
APA Martinez-Oliveros, J. C..,Raftery, C..,Bain, H..,Liu, Y..,Pulupa, M..,...&Martinez-Oliveros, JC .(2015).STEREO-Wind Radio Positioning of an Unusually Slow Drifting Event.SOLAR PHYSICS,290(3),891-901.
MLA Martinez-Oliveros, J. C.,et al."STEREO-Wind Radio Positioning of an Unusually Slow Drifting Event".SOLAR PHYSICS 290.3(2015):891-901.
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