Радиоизлучение Солнца И Планет

Железняков, Владимир Васильевич

doi:10.3367/ufnr.0064.195801e.0113

Cited by 9 publications

(5 citation statements)

References 6 publications

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“…. The mechanism of electron acceleration up to the energies E ~ 10 6 eV is briefly discussed in [5]. At the same time the problem of the magnetobremsstrah lung mechanism is not yet sufficiently clear, since the model taken in [12] needs modification (see [5]).…”

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

“…The mechanism of electron acceleration up to the energies E ~ 10 6 eV is briefly discussed in [5]. At the same time the problem of the magnetobremsstrah lung mechanism is not yet sufficiently clear, since the model taken in [12] needs modification (see [5]). For this reason it is difficult to say whether it is possible to provide, on the basis of the magnetobremsstrahlung mechanism, the predominance of the ordinary component in the high-level radiation.…”

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

“…The bursts of types II and III also cannot be connected with the magnetobremsstrahlung radiation (at any rate, if one assumes electrons to be weakly relativistic, which is necessary to explain harmonics). In [13], where the magnetobremsstrahlung mechanism of the outburst radiation is proposed, the reabsorption, which radically changes the conclusions (see [5]), was not taken into account.…”

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

“…radio, waves takes place only owing to scattering on fluctuations of the electron concentration 8N = dN' -f dN"'. In an inhomogeneous isotropic plasma, besides the transformation due to scattering, a regular transition of plasma waves into radio waves can take place in the regions where coo = (4ne*N/m) 112 ~ co; at the same time the plasma waves must fall at small, but not zero, angles toward the gradient N (see [4,5]). For the plasma waves with a wide angular spectrum, the correspond ing coefficient of transformation Q < 10" …”

Section: Propagation and Emission Of Electromagnetic Wavesmentioning

confidence: 99%

“…The excitation mecha nism of such oscillations is, however, obscure (perhaps shock-magnetohydrodynamical waves play the role of an exciting agent). * In [16] (see also [5]) the mechanism of free oscillations of the ionospheric plasma is put forward to explain the short sporadic type I bursts emitted by Jupiter and Venus.…”

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

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On the mechanisms of sporadic solar radio emission

Ginzburg

Железняков²

1959

Symp. - Int. Astron. Union

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The mechanism that generates sporadic (nonthermal) solar radio emission, which is of great interest to radio astronomy and sclar physics, is rather obscure. Recently the authors considered this problem [1,2,3] and this report gives their summary.It is convenient to classify the mechanisms as (a) incoherent or coherent, or (b) involving an isotropic plasma or a magnetoactive one. In addition, it is convenient to consider first the conditions of propagation in, and emission of electromagnetic waves from, the solar corona. In the isotropic coronal plasma, electron streams generate only plasma waves; however, we are interested in transverse waves escaping from the corona. In a homogeneous plasma, the transformation of plasma waves into trans verse, e.g. radio, waves takes place only owing to scattering on fluctuations of the electron concentration 8N = dN' -f dN"'. Here dN' represents 574 available at https://www.cambridge.org/core/terms. https://doi PROPAGATION AND EMISSION OF ELECTROMAGNETIC WAVES

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Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

Section: Propagation and Emission Of Electromagnetic Wavesmentioning

confidence: 99%

Section: Under Certain Assumptions (Assuming Fo> Wandmentioning

confidence: 99%

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On the mechanisms of sporadic solar radio emission

Ginzburg

Железняков²

1959

Symp. - Int. Astron. Union

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Anisotropic Plasma

Shokri¹,

Rukhadze²

2019

Electrodynamics of Conducting Dispersive Media

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Common origin for UV and radio fluctuations?

Poletto

1980

Sol Phys

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Brightness temperature fluctuations induced by a shock wave transit through the solar transition region are computed at several decimetric wavelengths. A simplified method previously used to reproduce the observed UV line intensity fluctuations is shown to give oscillation amplitudes which are consistent with experimental results. The detectability of shock-induced radio fluctuations is briefly discussed, to check the possibility of a common origin for the observed UV and radio phenomena.

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Радиоизлучение Солнца И Планет

Cited by 9 publications

References 6 publications

On the mechanisms of sporadic solar radio emission

On the mechanisms of sporadic solar radio emission

Anisotropic Plasma

Common origin for UV and radio fluctuations?

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