Boris RYABOV Affiliation: Senior Researcher Ventspils International Radio Astronomy Centre (VIRAC) 101a Inzenieru Street Ventspils, LV-3600 LATVIA Phone: +371-67-03 45 85 Fax: +371-63-62 83 03 E-mail: ryabov@latnet.lv Mobile: 29605980 Institute of Astronomy of the University of Latvia Boulevard Rainis 19 Riga, LV-1586 LATVIA Phone: +371-67-03 45 85 Fax: +371-67-03 45 82 E-mail: ryabov@latnet.lv Homepage: http://www.ltn.lv/~ryabov

• Curriculum vitae: [pdf], [doc], [Latvian.doc]


• Interests:
  • Solar coronal magnetic fields
  • Large - scale coronal structures

• Languages: Russian, English, and Latvian

• Education:
  • Leningrad State University (Mathematics and Mechanics Department), Russia, 1969 - 1974
  • Work on probation, Pulkovo Astronomical Observatory, Russia, 1974 - 1976
  • Work as graduate student under Prof. G.B.Gelfreikh supervision, Pulkovo Astronomical Observatory, Russia, 1977 - 1979
  • Ph.D. in Solar Physics, Pulkovo Astronomical Observatory, Russia, 1983
  
  
• Experience:
  • Junior Researcher and Senior Researcher, Radioastrophysical Observatory, Latvian AS, 1979 - 1997
  • Visiting astronomer, research in collaboration with the Pulkovo group of solar radioastronomers, Pulkovo Astronomical Observatory (PO), Russian AS, 1984, 1987
  • Visiting astronomer, research in collaboration with the Solar group of RATAN-600, Special Astrophysical Observatory (SAO), Russian AS, 1992 - 1993
  • Senior Researcher, Ventspils International Radio Astronomy Centre (VIRAC), Latvia, 1998-2009
  • Visiting astronomer, research in collaboration with the Nobeyama solar group, Nobeyama Radio Observatory (NAOJ), Japan, April, 2001
  
  
• Professional Activities and Memberships:
  • Member, European Astronomical Society
  • Member, International Astronomical Union
  
  
• Courses and Teaching:
  • Introductory Solar Radio Astronomy, Ventspils University College (VUC), Latvia, 2007 - 2013, 2015
  
  
• Recent/Representative Publications:
  • "Depressed emission between magnetic arcades near a sunspot"
    Ryabov B. I., Shibasaki K., Baltic Astronomy, 2016, vol.25, N2, pp.225-235 [pdf ]
  • "Reduced coronal emission above large isolated sunspots"
    Ryabov B. I., Gary D. E., Peterova N. G., Shibasaki K., and Topchilo N. A., Solar Physics, 2015, vol.290, N1, pp.21-35 [pdf ]
  • "Isolated sunspot with a dark patch in the coronal emission"
    Bezrukov D. A., Ryabov B. I., Shibasaki K., Baltic Astronomy, 2012, vol.21, N4, pp.509-516 [pdf ]
  • "Sharp changes in the ordinary mode microwave emission from a stable sunspot: model analysis"
    Bezrukov D., Ryabov B., Peterova N., Topchilo N., Latvian Journal of Physics and Technical Sciences, 2011,vol.48, N2, pp.56-69 [pdf]
  • “Coronal magnetograms of solar active regions”
    Ryabov B.I., “Solar Physics with the Nobeyama Radioheliograph”, Proceedings of Nobeyama Symposium 2004, NSRO Report No.1, December 2006, pp.111-119 [pdf]
  • “Coronal magnetography of solar active region 8365 with the SSRT and NoRH radio heliographs”
    Ryabov B.I., Maksimov V.P., Lesovoi S.V., Shibasaki K., Nindos A., Pevtsov A., Solar Physics, 2005, vol.226, N2, pp.223-237 [pdf ]
  • “On the technique of coronal magnetography through quasi-transverse propagation of microwaves”
    Bezrukov D.A., Ryabov B.I., Bogod V.M., Gelfreikh G.B., Maksimov V.P., Drago F., Lubyshev B.I., Peterova N.G., Borisevich T.P., Baltic Astronomy, 2005, vol.14, N 1, pp.83-103 [pdf ]
  • “Coronal magnetograms of solar active regions”
    Ryabov B. I., Bogod V. M., Gelfreikh G. B., Maksimov V. P., Drago F.,Lubyshev B. I., Peterova N. G., Borisevich T. P., Bezrukov D. A., Proceedings of the International Astronomical Union Symposium No.223, 2004, “Multi-Wavelength Investigations of Solar Activity”, A.V. Stepanov, E.E. Benevolenskaya, A.G. Kosovichev ed-s, v. 2004, Issue IAUS223, November 2004, pp.215-218 [pdf]
  • “Coronal magnetic field measurements through quasi-transverse propagation”
    Boris Ryabov, Chapter 7 in Kluwer ASSL book “Solar and Space Weather Radiophysics”, Current Status and Future Developments Series, vol. 314., Ed.-s Dale E. Gary and Christoph U. Keller, 2004 [zip]
  • “Study of polarized emission of the NOAA 9415 flare-productive active region at microwaves”
    Bogod V.M., Gelfreikh G.B., Drago F.Ch., Maksimov V.P., Nindos A., Kaltman T.I., Ryabov B.I., Tokhchukova S.Kh., ?ASTROPAGE?, 2003, paper: astro-ph/03009444 [pdf]
  • “A peculiar microwave source in the structure of the NOAA 8108 from observations with RATAN-600”
    Peterova N.G., Ryabov B.I. and Tokhchukova S.Kh., Bull. Spec. Astrophys. Obs., 2001, vol.51, pp.106-111 [pdf]
  • “Coronal magnetography of an active region from microwave polarization inversion”
    Ryabov B.I., Pilyeva N.A., Alissandrakis C.E., Shibasaki K., Bogod V.M., Garaimov V.I., Gelfreikh G.B., Solar Physics, 1999, vol.185, N1, pp.157-175 [pdf]
  • “Analysis of the multiple inversion of circular polarization in solar microwave local sources”
    Ryabov B.I., Baltic Astronomy, 1997, vol.6,pp.651-660 [pdf]
  • “A microwave sunspot-associated source with S-shaped circular polarization”
    Peterova N.G., Pilyeva N.A., Ryabov B.I., Baltic Astronomy, 1996, vol.5, pp.157-164 [pdf]
  • “Large-scale coronal magnetic fields: noise storms, soft X-rays and radio polarization”
    Willson R.F., Kile J.N., Lang K.R., Donaldson S., Bogod V.M., Gelfreikh G.B., Ryabov B.I., Hafizov S.R., Adv.Space Res., 1996, vol.17, N 4/5, pp.265-268 [htm]
  • “Magnetospheres of solar active regions inferred from spectral-polarization observations with high spatial resolution”
    Lang K.R., Willson R.F., Kile J.N., Lemen J., Strong K.T., Bogod V.M.,Gelfreikh, G.B., Ryabov B.I., Hafizov S.R., Abramov V.E., Svetkov S.V., Aph. J., 1993, vol.419, Part 1, pp.398-417 [gif]
  • “Measurements of magnetic fields in solar corona as based on the radio observations of the inversion of polarization of local sources at microwaves”
    Gelfreikh G.B., Peterova N.G., Ryabov B.I., Solar Physics, 1987,vol.108, N1, pp.89-97 [gif]
  
  
  
• Invited Talks and Presentations:
  • “Coronal magnetograms of solar active regions derived from polarization inversion in microwaves” [ppt]
    Nobeyama Symposium, 2004 “Solar Physics with the Nobeyama Radioheliograph”, Seisen-Ryo, Kiyosato, Nobeyama Solar Radio Observatory, Japan, October 26 - 29, 2004 [htm]
  • “Coronal magnetography from quasi-transverse propagation” [pdf]
    Green Bank Workshop “Solar Radiophysics with the Frequency Agile Solar Radiotelescope”, NRAO, Green Bank, WV, USA, May 23-25, 2002 [htm]
  • “The Sun at centimeter wavelengths”
    Nordic-Baltic Summer School in Radio Astronomy, Ventspils, Latvia, July 15-28, 2001 [htm]
  
  
• Research Projects:
  • Latvian Council of Science (LCS): “Microwave observations of the Sun as information system on solar activity forecast”, 11.1856, 2011 - 2013, PI
  • Ministry of Education and Science (MES) , Republic of Latvia: “Application of the CLEAN and MEM procedures to the RT-32 radio maps of the Sun”, 08-4, 2008, PI
  • Latvian Council of Science (LCS): “VIRAC Research Equipment and Establishment of R&D Infrastructure for Long-term Radioastronomy and Satellite Observations in the Framework of Latvian and International Programmes”, 05.0024, 2005 - 2009, subproject 2.1. “Microwave observations of the Sun”, CR
  • International Association for the promotion of co-operation with scientists from the New Independent States of the former Soviet Union (INTAS): “Study of the MHD Oscillations in the Solar Active Regions Using Radio Observations”, 00-00543, 2001 - 2004, CR
  • Latvian Council of Science (LCS): “Solar Investigations at Microwaves”, 01.0042.6.1, 2001 - 2004, CR
  • International Association for the promotion of co-operation with scientists from the New Independent States of the former Soviet Union (INTAS): “Solar Coronal Magnetography”, 00-00181, 2001 - 2003, CO
  • Latvian Council of Science (LCS): “Solar Investigations on the Basis of the VIRAC 32-m Radiotelescope”, 96.0129, 1997 - 2000, PI
  • International Science Foundation (ISF): “Three-Dimensional Structure of the Coronal Magnetic Fields of Active Regions on the Sun”, LFB000, 1994 - 1995, PI

• Outreach Activities:
  • Commission of the European Communities (6th Framework Programme): “Space Weather and Europe - an Educational Tool with the Sun” (SWEETS), 044532, 2007, CR (IA UL int.number: A - 2366 - 280)
  

• Current Research Activities: Solar coronal magnetography

Last update July 29, 2015