Statistical survey of type III radio bursts at long wavelengths observed by the Solar TErrestrial RElations Observatory (STEREO)/Waves instruments: radio flux density variations with frequency

0431948 - ÚFA 2015 RIV NL eng J - Journal Article
Krupař, Vratislav - Maksimovic, M. - Santolík, Ondřej - Kontar, E. P. - Cecconi, B. - Hoang, S. - Krupařová, Oksana - Souček, Jan - Reid, H. - Zaslavsky, A.
Statistical survey of type III radio bursts at long wavelengths observed by the Solar TErrestrial RElations Observatory (STEREO)/Waves instruments: radio flux density variations with frequency.
Solar Physics. Roč. 289, č. 8 (2014), s. 3121-3135. ISSN 0038-0938. E-ISSN 1573-093X
R&D Projects: GA ČR(CZ) GAP209/12/2394; GA ČR GP13-37174P; GA ČR GAP205/10/2279
Institutional support: RVO:68378289
Keywords : solar radio emissions * plasma radiation
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
Impact factor: 4.039, year: 2014
http://link.springer.com/article/10.1007%2Fs11207-014-0522-x

We have performed a statistical study of 152 Type III radio bursts observed by Solar TErrestrial RElations Observatory (STEREO)/Waves between May 2007 and February 2013. We investigated the flux density between 125 kHz and 16 MHz. Both high- and low-frequency cutoffs were observed in 60 % of events, suggesting an important role of propagation. As already reported by previous authors, we observed that the highest flux density occurs at 1 MHz on both spacecraft. We developed a simplified analytical model of the flux density as a function of radial distance and compared it with the STEREO/Waves data.
Permanent Link: http://hdl.handle.net/11104/0236534