Type III solar radio bursts

Decameter type III bursts with changing frequency drift-rate signs
by V. Melnik et al.*

2016-10-18

We discuss properties of type III bursts that change the sign of their drift rate from negative to positive and vice versa. Moreover, these bursts may change the sign of their drift rates more than once. These particular type III bursts were observed simultaneously by the radio telescopes UTR-2, URAN-2, and NDA in the frequency range 8-41 MHz. The negative drift rates of these bursts are similar to those of […]

Decameter U-burst Harmonic Pair from a High Loop
by Dorovskyy, Melnik, Konovalenko, Bubnov , Gridin, Shevchuk, Rucker, Poedts and Panchenko

2016-08-16

We discuss the results of recent observations of a solar U-burst harmonic pair in the frequency range 10-70 MHz, performed by the radio telescope UTR-2 and the recently built first section of the new Giant Ukrainian Radio Telescope (GURT) (see Dorovskyy et al. 2015). A considerably extended frequency range of the new telescope makes the detection of harmonically connected pairs much more probable. In particular, we focus on interpreting the time delay […]

Type III bursts, magnetic field extrapolations, and the propagation of solar energetic particles
by Karl-Ludwig Klein

2008-08-21

Energetic particle propagation from the Sun to Earth Enhanced fluxes of solar energetic particles (SEP) — so-called SEP events — result from processes of explosive energy conversion in the corona, notably flares and coronal mass ejections. From Parker’s model of the interplanetary magnetic field, it is expected that particles accelerated in the corona reach the Earth, provided they are injected into interplanetary magnetic flux tubes near 50°—60° western longitude. Statistically […]

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