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On the zebra structure in microwave bursts. / Yasnov, L. V.; Chernov, G. P.; Yan, Y.; Fu, Q.

в: European Space Agency, (Special Publication) ESA SP, № 506 II, 01.12.2002, стр. 791-794.

Результаты исследований: Научные публикации в периодических изданиях › статья в журнале по материалам конференции › Рецензирование

Harvard

Yasnov, LV, Chernov, GP, Yan, Y & Fu, Q 2002, 'On the zebra structure in microwave bursts', European Space Agency, (Special Publication) ESA SP, № 506 II, стр. 791-794.

APA

Yasnov, L. V., Chernov, G. P., Yan, Y., & Fu, Q. (2002). On the zebra structure in microwave bursts. European Space Agency, (Special Publication) ESA SP, (506 II), 791-794.

Vancouver

Yasnov LV, Chernov GP, Yan Y, Fu Q. On the zebra structure in microwave bursts. European Space Agency, (Special Publication) ESA SP. 2002 Дек. 1;(506 II):791-794.

Author

Yasnov, L. V. ; Chernov, G. P. ; Yan, Y. ; Fu, Q. / On the zebra structure in microwave bursts. в: European Space Agency, (Special Publication) ESA SP. 2002 ; № 506 II. стр. 791-794.

BibTeX

@article{6dc7e2b603004899986bae62511e942c,
title = "On the zebra structure in microwave bursts",
abstract = "We presented nineteen cases of zebra pattern structure (ZPS) and fiber bursts (FB) in four radio bursts at the frequency range about 3 GHz, using the new microwave spectrometer of NAOC between 2.6-3.8 GHz (China, Huairou station) with high resolution (10 MHz and 8 ms). FB and ZPS have about the same spectral parameters, and the main one - the frequency separation between the emission and the neighbouring low frequency absorption ∼30 MHz. Therefore we consider both fine structures as whistler manifestation. New calculations show an increase of the whistler growth rate with the increase of temperature near flare region, a decrease of electron cyclotron damping and a decrease of whistler frequency up to 0,1 of electron cyclotron frequency. The duration of fiber bursts about 2 sec corresponds to the whistler waves propagating undamped at about 2 sec, which requires the whistler increment <0,5 1/s. This finding is used to obtain the magnetic field strength in the generation region. For reasonable value of electron temperature (2-20 MK) B=125-190 G for regions, where the electron density is (8-18) × 1010 cm-3.",
author = "Yasnov, {L. V.} and Chernov, {G. P.} and Y. Yan and Q. Fu",
year = "2002",
month = dec,
day = "1",
language = "English",
pages = "791--794",
journal = "European Space Agency, (Special Publication) ESA SP",
issn = "0379-6566",
publisher = "ESA Publication Division",
number = "506 II",
note = "The 10th European Solar Physics Meeting; Solar Variability: From Core to Outer Frontiers ; Conference date: 09-09-2002 Through 14-09-2002",

}

RIS

TY - JOUR

T1 - On the zebra structure in microwave bursts

AU - Yasnov, L. V.

AU - Chernov, G. P.

AU - Yan, Y.

AU - Fu, Q.

PY - 2002/12/1

Y1 - 2002/12/1

N2 - We presented nineteen cases of zebra pattern structure (ZPS) and fiber bursts (FB) in four radio bursts at the frequency range about 3 GHz, using the new microwave spectrometer of NAOC between 2.6-3.8 GHz (China, Huairou station) with high resolution (10 MHz and 8 ms). FB and ZPS have about the same spectral parameters, and the main one - the frequency separation between the emission and the neighbouring low frequency absorption ∼30 MHz. Therefore we consider both fine structures as whistler manifestation. New calculations show an increase of the whistler growth rate with the increase of temperature near flare region, a decrease of electron cyclotron damping and a decrease of whistler frequency up to 0,1 of electron cyclotron frequency. The duration of fiber bursts about 2 sec corresponds to the whistler waves propagating undamped at about 2 sec, which requires the whistler increment <0,5 1/s. This finding is used to obtain the magnetic field strength in the generation region. For reasonable value of electron temperature (2-20 MK) B=125-190 G for regions, where the electron density is (8-18) × 1010 cm-3.

AB - We presented nineteen cases of zebra pattern structure (ZPS) and fiber bursts (FB) in four radio bursts at the frequency range about 3 GHz, using the new microwave spectrometer of NAOC between 2.6-3.8 GHz (China, Huairou station) with high resolution (10 MHz and 8 ms). FB and ZPS have about the same spectral parameters, and the main one - the frequency separation between the emission and the neighbouring low frequency absorption ∼30 MHz. Therefore we consider both fine structures as whistler manifestation. New calculations show an increase of the whistler growth rate with the increase of temperature near flare region, a decrease of electron cyclotron damping and a decrease of whistler frequency up to 0,1 of electron cyclotron frequency. The duration of fiber bursts about 2 sec corresponds to the whistler waves propagating undamped at about 2 sec, which requires the whistler increment <0,5 1/s. This finding is used to obtain the magnetic field strength in the generation region. For reasonable value of electron temperature (2-20 MK) B=125-190 G for regions, where the electron density is (8-18) × 1010 cm-3.

UR - http://www.scopus.com/inward/record.url?scp=0036977984&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:0036977984

SP - 791

EP - 794

JO - European Space Agency, (Special Publication) ESA SP

JF - European Space Agency, (Special Publication) ESA SP

SN - 0379-6566

IS - 506 II

T2 - The 10th European Solar Physics Meeting; Solar Variability: From Core to Outer Frontiers

Y2 - 9 September 2002 through 14 September 2002

ER -

ID: 36546669