Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-09-16
Astronomy and Astrophysics
Astrophysics
26 pages, 13 Postscript figures for better resolution pics, see http://www.sao.ru/hq/sun/pdf/paper9415.pdf
Scientific paper
The results of the microwave observations of the Sun made with the RATAN-600 have shown the existence of many types of spectral peculiarities in polarized emission of active regions, which produce powerful flares. These phenomena happen at microwaves and reflect inhomogeneous structure of magnetic field in magnetospheres of flaring active regions in wide range of heights above the photosphere. In this presentation we demonstrate an analysis of the AR 9415 during all the period of its passage across the solar disk. Results of the study point out to existence of different scenarios of circular polarization variations in the radio wave band. Here, we separated the phenomenon of the cyclotron emission passage through the quasi-transverse magnetic field (QT-region) and several effects connected with flare activity of active region. New observational data are presented and compared with the data of several observatories: SSRT, NoRH, MDI SOHO, GOES and MEES. The preliminary interpretation of the phenomena are given.
Bogod Vladimir M.
Drago Ch. F.
Gelfreikh George B.
Kaltman T. I.
Maximov V. P.
No associations
LandOfFree
Analysis of polarized microwave emission of Flare-Productive Active Region 9415 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Analysis of polarized microwave emission of Flare-Productive Active Region 9415, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Analysis of polarized microwave emission of Flare-Productive Active Region 9415 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-690106