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D. Bezrukov Ventspils International Radio Astronomy Center LATVIA. Recent Advances in Solar Physics at VIRAC: Analysis of Solar Active Regions on the Base of Microwave Observations. Tartu 2011. Coronal Magnetography through Quasi-Transverse Propagation of Microwaves
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D. Bezrukov Ventspils International Radio Astronomy Center LATVIA Recent Advances in Solar Physics at VIRAC: Analysis of Solar Active Regions on the Base of Microwave Observations Tartu 2011
Coronal Magnetography through Quasi-Transverse Propagation of Microwaves Analysis of a Stable Sunspot with Sharp Changes in Ordinary Mode Radiation at Microwaves
Coronal Magnetography through Quasi-Transverse Propagation of Microwaves Ryabov, B.I., Pilyeva, N.A., Alissandrakis C.E., Shibasaki, K., Bogod, V.M., Garaimov, V.I., Gelfreikh, G.B. 1999, Solar Phys., 185, 157 B.I. Ryabov, V.M. Bogod, G.B. Gelfreikh, V.P. Maksimov, F. Drago, B.I. Lubyshev, N.G. Peterova, T.P. Borisevich, D.A. Bezrukov, “Coronal magnetograms of solar active regions”, Multi-Wave Investigations of Solar Activity Proceedings IUA Symposium, No. 223, 2004. Bezrukov D.A., Ryabov B.I., Bogod V.M., Gelfreikh G.B., and all,“On thetechnique of coronal magnetography through quasi-transverse propagation of microwaves”, Baltic Astronomy, 2005, vol.14, N 1, pp.83-103
Time dependence of polarization inversion fits the model properties of QT-region. NOAA 9068 Model prediction of QT-region QTR NoRH maps & KPNO magnetograms
Daily 2D coronal magnetograms of the NOAA 9068 daily coronal magnetograms of the NOAA 9068
3D QT-surface positions determined at B=21 Gs for NOAA 9415
Model Analysis of a Stable Sunspot with Sharp Changes in Ordinary Mode Radiation at Microwaves
AR 10325 during March 30 - April 2, 2003 RATAN-600 r.c.p. (red) and l.c.p. (blue) λ = 2.24 cm 2.32 cm 2.67 cm 2.74 cm March 30 March 31 April 1 April 2
AR 10325 on March 31, April 2 and 4 of 2003 Nobeyama Radio Heliograph (r.c.p. and l.c.p.)
AR 10325 on 2003 April 2 SOHO CDS (EUV lines) over MDI (white light)
D. A. Bezrukov, B. I. Ryabov, N. G. Peterova, N. A. Topchilo, “Sharp Changes in the Ordinary Mode Microwave Emission from a Stable Sunspot: Model Analysis”, Latvian Journal of Physics and Technical Sciences, 2011, N 2
Solar Observations by VIRAC RT-32 Radio Telescopecurrent status 2 channels x 16 sub bands spectral polarimeter for 6.3-9.3 GHz band VIRAC radio telescope RT-32 Time-wavelength chart overlapping for NoRH, SSRT, RATAN-600 and VIRAC RT-32