Journal
SOLAR PHYSICS
Volume 293, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1007/s11207-018-1263-z
Keywords
Radio burst; Dynamic spectrum; Radio spike; Electron cyclotron maser emission
Categories
Funding
- NNSFC-CAS [U1431103]
- NNSFC [41331068, 11790303 (11790300), 11503014, 41504131, 11703017]
- NSF of Shandong Province [ZR201702100072, ZR2016AP13]
- Specialized Research Fund for the State Key Laboratories
Ask authors/readers for more resources
This paper presents the latest observations from the newly built solar radio spectrograph at the Chashan Solar Observatory. On July 18, 2016, the spectrograph records a solar spike burst event, which has several episodes showing harmonic structures, with the second, third, and fourth harmonics. The lower harmonic radio spike emissions are observed later than the higher harmonic bands, and the temporal delay of the second (third) harmonic relative to the fourth harmonic is about 30 - 40 (10) ms. Based on the electron cyclotron maser emission mechanism, we analyze possible causes of the temporal delay and further infer relevant coronal parameters, such as the magnetic field strength and the electron density at the radio source.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available