Yu. A. Nagovitsyn personal page


Yury A. Nagovitsyn
Russian Academy of Sciences
Central Astronomical Observatory at Pulkovo
(Pulkovo astronomical observatory)
Scientific secretary

1. Personal data

Date of birth: July 1, 1955
Place of birth: Nizhny Tagil, Sverdlovsk region, USSR (Russia)
Citizenship: Russia
Parents: Anatoly T. Nagovitsyn, Nadezhda A. Nagovitsyna (Kapkina)
Marital status: Married (wife - Elena Yu. Nagovitsyna (Firsova), Senior scientist of Pulkovo observatory)
Phone: +7-812-7234403, +7-812-3882591 (office), +7-812-7011994 (home)
Institutional address: Central Astronomical Observatory at Pulkovo, Russian Academy of Sciences,
Pulkovskoe schausse, 65/1, 196140, St. Petersburg, Russia
E-mail: e-mail:nag@gao.spb.ru

2. Education

1985: Ph.D. degree (Astrophysics) in the Central Astronomical Observatory of the Russian Academy of Science. Ph.D. thesis: A study of the solar chromosphere using the spectrophotometric observations during total Solar eclipses (under V.M. Sobolev)
1978: M.S. (Astronomy) in the Department of Mathematics and Mechanics of the Leningrad State University. Graduate thesis: Qualitative integral equations and some problems of Solar physics

3. Professional history

since 2000: Scientific Secretary of the Central Astronomical Observatory of RAS at Pulkovo
1999-2000: Leading scientist, Head of the Laboratory of Solar Physics
1993-1999: Senior scientist of the Central Astronomical Observatory of RAS
1987-1993: Research scientist of the Central Astronomical Observatory of RAS
1978-1987:Research scientist of the Mountain Station (branch office in Kislovodsk) of the Central Astronomical Observatory of RAS

4. Organizing activity

1991-1999: Scientific Secretary of the Dissertation Council of the Pulkovo observatory (on a voluntary basis)
1993-1999:Scientific Secretary for the foreign relations of the Pulkovo observatory (on a voluntary basis)

5. Main fields of scientific interests

  • Solar activity over the long-term scale
  • Space weather, space climate: reconstructions and forecasts
  • Oscillatory processes in active regions of the Sun
  • Physics of the Solar atmosphere
  • Data processing
  • Nonlinear mathematical methods (wavelet transform, embedology, nonlinear modeling etc)

6. Projects, programs, grants


Investigator (I) and Principal investigator (PI) of the projects supported by grants of:
2000-2005:INTAS 2000-00752 (PI), 2000-00543 (I), INTAS 2001-00550 (PI)
1996-2005: Russian Fund for Basic Researches 05-07-90107 (I),
04-02-17560 (PI), 03-02-17505 (I), 02-02-16548 (I), 01-07-90289 (I), 98-07-90372 (I), 96-02-19178 (PI), 96-02-16579 (I)
1994-2004:Program "Astronomy" of the Ministry of the Science of Russian Federation (PI)
2002-2004:Program of Presidium of Russian Academy of Sciences "Non-stationary phenomena in astronomy" (PI)
since 2005:Program of Presidium of Russian Academy of Sciences "Solar activity and physical processes in the Sun-Earth system" (PI)
1994:American Astronomical Society (personal grant)

7. Databases

8. Publications

Main publications:
Nagovitsyn Yu.A. To the description of long-term variations in the solar magnetic flux: the sunspot area index // Pis'ma v Astron. Zhurn. (Astronomy Letters), Vol. 31, No 8, pp. 622-627, 2005. PDF (full-text)
Goldvarg T. B., Nagovitsyn Yu. A. , Solov'ev A. A. On the periodicity of energy release in active regions of the Sun // Pis'ma v Astron. Zhurn. (Astronomy Letters), Vol. 31, No 6, pp. 2005 (in print). PDF (full-text)
Miletsky E.V., Nagovitsyn Yu. A. , Ivanov V.G. Technical note: Joint database of sunspot magnetic fields // International Journal of Geomagnetism and Aeronomy, Volume 5, Issue 3, 2005. Abstract
Nagovitsyn Yu. A. , Ivanov V.G., Miletsky E.V., Volobuev D.M. ESAI data base and some properties of solar activity in the past // Solar Physics, v.224, Nos 1-2, pp.103-112. 2004.PDF (full-text)
Miletsky E.V., Ivanov V.G., Nagovitsyn Yu. A. , Jungner H. Solar activity in the past: from different proxies to combined reconstruction // Solar Physics, v.224, Nos 1-2, pp. 2004. PDF (full-text)
Gelfreikh G. B., Tsap Yu. T., Kopylova Yu. G., Goldvarg, T. B., Nagovitsyn Yu. A. , Tsvetkov L. I. Variations of Microwave Emission from Solar Active Regions // Astronomy Letters, Vol. 30, pp. 489-495. 2004.
Ogurtsov M. G.; Lindholm M.; Eronen M.; Jungner H.; Helama S.; Nagovitsyn Yu. A. Evidence from millennial temperature proxies for solar influence on terrestrial climate // Meteorological and Geophysical Fluid Dynamics, a book to commemorate the centenary of the birth of Hans Ertel. Edited by Wilfried Schr?der; p.106, 2004.
Ogurtsov M. G.; Jungner H.; Kocharov G. E.; Lindholm M.; Eronen M.; Nagovitsyn, Yu. A. On the link between northern fennoscandian climate and length of the quasi-eleven-year cycle in galactic cosmic-ray flux // Solar Physics, v. 218, Issue 1, p. 345-357. 2003. PDF (full-text)
Ogurtsov M.G., Kocharov G.E., Nagovitsyn Yu. A. Solar Cyclicity during the Maunder Minimum // Astron. Rep., Vol. 47, Issue 6, p.517-524. 2003. PDF (full-text)
Ogurtsov M.G., Kocharov G.E., Lindholm M., Merilainen J., Eronen M., Nagovitsyn Yu. A. Evidence of solar variation in the tree-ring based climate reconstruction // Solar Physics, v. 205, Issue 2, p. 403-417. 2002. PDF (full-text)
Ogurtsov M. G.; Nagovitsyn Yu. A. ; Kocharov G. E.; Jungner H. Long-Period Cycles of the Sun's Activity Recorded in Direct Solar Data and Proxies // Solar Physics, v. 211, Issue 1, p. 371-394. 2002. PDF (full-text)
Nagovitsyna E. Yu., Nagovitsyn Yu. A. Spatial Variations in Parameters of Quasi-Hourly Sunspot Fragment Oscillations and a Singular Penumbra Oscillator // Astronomy Letters, Vol. 28, No. 2, pp. 121 - 129. 2002. PDF (full-text)
Nagovitsyn Yu. A. Solar Activity during the Last Two Millennia: Solar Patrol in Ancient and Medieval China // Geomagnetism and Aeronomy, Vol. 41, No. 5, pp. 680-688, 2001. PDF (full-text)
Nagovitsyna E. Yu., Nagovitsyn Yu. A. Oscillations of Flux Tube Bundles and the Structure of Sunspot Magnetic Fields // Astronomy Letters, Vol. 27, pp. 118 - 123. 2001. PDF (full-text)
Ogurtsov M.G., Kocharov G.E., Lindholm M., Eronen M., Nagovitsyn Yu. A. Solar activity and regional climate // Radiocarbon, 43, 2001. Abstract
Gnedin Yu. N., Nagovitsyn Yu. A. , Natsvlishvili T. M. Quasi-periodic brightness oscillations of the dwarf nova SS Cyg and their magnetic origin // Astron. Rep., Vol. 43, No. 7, pp. 462 - 470. 1999.
Nagovitsyna E. Yu., Nagovitsyn Yu. A. Observations of peculiarities of sunspot fragment patterns // Solar Physics, Vol. 186, No. 1 - 2, pp. 193 - 205. 1999. PDF (full-text)
Nagovitsyna E. Yu., Nagovitsyn Yu. A. Observations of coherent magnetic structures in sunspot areas // Astronomy Letters, Vol. 24, No. 4, pp. 475 - 480. 1998. PDF (full-text)
Nagovitsyn Yu. A. A nonlinear mathematical model for the solar cyclicity and prospects for reconstructing the solar activity in the past // Astronomy Letters, Vol. 23, No. 6, pp. 742 - 748. 1997. PDF (full-text)
Nagovitsyn Yu. A. Torsional oscillations and the effective depth of sunspots // Astronomy Letters, Vol. 23, No. 6, pp. 749 - 751. 1997. PDF (full-text)
Nagovitsyn Yu. A. The series of total sunspot area index in the Greenwich general system (1821-1989). // Soln. Dannye, Byull., 1995-1996. p.38-48. St.-Petersburg. 1997. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. Methodological aspects of measuring horizontal velocity field on the Sun by means of tracers // Kinematics Phys. Celest. Bodies, Vol. 12, No. 6, pp. 45 - 53. 1996. (in Russian) PDF (full-text)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. Dynamics of parameters of oscillatory processes in the recurrent sunspot group. // Soln. Dannye, Byull., No 9. p.60-64. 1993. (in Russian)
Nagovitsyn Yu. A. , Nikonov O. V., J. Perez Doval. A comparative estimation of the errors in the sunspot coordinate catalog compiled at Cuba and the methods of their a posteriori decrease. // Soln. Dannye, Byull., No 6. p.81-85. 1992. (in Russian)
Nikonov O. V., Nagovitsyn Yu. A. , Kulish A. P., Nikonova E. S. and Granda K. Preliminary results of short-term variability of sunspot magnetic fields as observed at Cuba. // Soln. Dannye, Byull., No 2. p.88-93. 1992. (in Russian)
Nagovitsyn Yu. A. , Vyalshin G.F. Quasi-periodic Variations of Magnetic Field Strength in Sunspots // Astron. Circular. ╣ 1553. 1992.
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. Absolute horizontal oscillations of sunspots and global organization of their periods. // Soln. Dannye, Byull., No 2. p.83-88. 1991. (in Russian)
Nagovitsyn Yu. A. , Vyal'shin G. F. Peculiarities of oscillatory processes in sunspot groups SD 135/1984 and SD 136/1984. // Soln. Dannye, Byull., No 9. p.91-96. 1990. (in Russian)
Nagovitsyn Yu. A. On the secular Solar cycle. // Soln. Dannye, Byull., No 9. p.103-106. 1989. (in Russian)
Nagovitsyn Yu. A. A version of the series of yearly mean total sunspot areas in the Sun's North and South hemispheres (1823-1874). // Soln. Dannye, Byull., No 8. p.86-91. 1989. (in Russian)
Nagovitsyn Yu. A. North-South asymmetry of Solar activity in the equatorial and polar zones. // Soln. Dannye, Byull., No 7. p.71-74. 1989. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. A study of the properties of long-term oscillations in selected areas of sunspots using precise methods. // Soln. Dannye, Byull., No 6. p.93-98. 1989. (in Russian)
Nagovitsyn Yu. A. Rules of parity for 11-year solar cycles and correlation properties of the 22-year Solar cycle. // Soln. Dannye, Byull., No 12. p.109-112. 1988. (in Russian)
Nagovitsyn Yu. A. "A synthetic" series of yearly means of polar facular num-bers for 1874-1979. // Soln. Dannye, Byull., No 8. p.88-95. 1988. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. On some properties of the horizontal velocity field of the Solar photosphere using observations of polar faculae during June 25, 1984. // Soln. Dannye, Byull., No 10. p.85-90. 1987. (in Russian)
Sobolev V. M., Nagovitsyn Yu. A. A determination of a connection between the parameters of the chromospheric lines ═ , ═8 , D3 Ŕ 3889 └ ═ň I with Wolf numbers and the └p index in 1969-1982. // Soln. Dannye, Byull., No 8. p.71-74. 1987. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. On the secular cycle of polar faculae. // Soln. Dannye, Byull., No 6. p.79-84. 1987. (in Russian)
Borzov V.V., Vialshin G.F., Nagovitsyn Yu. A. Variations of the Magnetic Field Strengths in the Sunspots of 1982 June and July Groups and 1984 June Group // Contrib. Astron. Obs. Skalnate Pleso, Vol. 15, Part 1, p. 75 - 85. 1986.
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. A study of the velocity field of polar faculae. // Soln. Dannye, Byull., No 12. p.52-56. 1986. (in Russian)
Nagovitsyna E. Yu., Nagovitsyn Yu. A. Some peculiarities of proper motions of sunspots. // Soln. Dannye, Byull., No 6. p.69-74. 1986. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. Note om the three-dimensional structure of the velocity field in an active region in the Solar atmosphere. // Soln. Dannye, Byull., No 5. p.78-84. 1986. (in Russian)
Gnevyshev M.N., Nagovitsyn Yu. A. , Nagovitsyna E. Yu. Wolf numbers in so-lar cycle 21. // Soln. Dannye, Byull., No 3. p.57-62. 1986. (in Russian)
Gnevyshev M.N., Nagovitsyn Yu. A. , Nagovitsyna E. Yu. A study of the stability and a comparison of different series of Wolf's numbers. // Soln. Dannye, Byull., No 2. p.72-79. 1985. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. A determination of precise heliographic coordinates at the Kislovodsk mountain station of the Pulkovo observatory, II. // Soln. Dannye, Byull., No 11. p.76-81. 1984. (in Russian)
Nagovitsyn Yu. A. , Nagovitsyna E. Yu. A determination of precise heliographic coordinates at the Kislovodsk mountain station of the Pulkovo observatory, I. // Soln. Dannye, Byull., No 12. p. 54-59. 1984. (in Russian)
Sobolev V. M. , Vyal'shin G. F. , Nagovitsyn Yu. A. Note on a method of de-termination of true half-widths on chromospheric lines. // Soln. Dannye, Byull., No. 5, p. 72 - 75, 1982. (in Russian) Scan copy (abstract AAA032.073.073)
Sobolev V. M. , Vyal'shin G. F., Nagovitsyn Yu. A. Relative intensities of the H8 and He 3889 lines in the solar chromosphere according to data of the total solar eclipse on June 30, 1973. // Soln. Dannye, Byull., No. 8, p. 93 - 96, 1982. (in Russian) Scan copy (abstract AAA032.073.103)
Sobolev V. M. , Vyal'shin G. F. , Nagovitsyn Yu. A. Turbulent velocities and kinetic temperatures in the chromosphere as calculated using the results of the total solar eclipse observations on 30 June, 1973. II. // Soln. Dannye, Byull., No. 8, p. 83 - 87, 1980. (in Russian) Scan copy (abstract AAA029.073.001)
Nagovitsyn Yu. A. , Sobolev V. M. , Vyal'shin G. F. Spatial variations of the chromospheric parameters obtained from data on the total solar eclipse of June 30, 1973 in Mauretania. // Soln. Dannye, Byull., No.11, p. 106 - 111, 1980. (in Russian) Scan copy (abstract AAA029.073.003)
Nagovitsyn Yu. A. An empirical analysis of the physical parameters of the lower chromosphere with the LTE approximation using data on three total solar eclipses. // Soln. Dannye, Byull., No. 9, p. 89 - 95, 1980. (in Russian) Scan copy (abstract AAA029.073.003)
Sobolev V. M. , Vyal'shin G. F. , Nagovitsyn Yu. A. Turbulent velocities and kinetic temperatures in the chromosphere as calculated using the results of the total solar eclipse observations on June 30, 1973. I. // Soln. Dannye, Byull., No.7, p. 88 - 93. 1980. (in Russian) Scan copy (abstract AAA028.073.115)
Nagovitsyn Yu. A. , Sobolev V. M. , Vyal'shin G. F. A determination of the total intensities and logarithmic gradients of weak chromospheric lines in the region LAMBDA 3890-3970 ┼ using data of two total solar eclipses. // Soln. Dannye, Byull., No.10, p. 83 - 88, 1978. (in Russian) Scan copy (abstract AAA025.073.068)
Nagovitsyn Yu. A. Apparatus functions of atmospheric oscillations from the solar limb for nonclassic assumptions. // Soln. Dannye, Byull., No. 12, p. 101 - 106, 1977. (in Russian) Scan copy (abstract AAA021.080.037)
Nagovitsyn Yu. A. Comments on the determination of the zero-point of heights in the chromosphere. // Soln. Dannye, Byull., No. 2, p. 70 - 73, 1977. (in Russian) Scan copy (abstract AAA019.073.038)
Nagovitsyn Yu. A. On a determination of heights on eclipsing spectrograms of the chromospere. // Soln. Dannye, Byull., No. 4, p. 100 - 103, 1977. (in Russian)

Some papers in Proceedings of conferences:

  • Miletsky E.V., Ivanov V.G., Nagovitsyn Yu.A., Jungner H. Solar activity in the last millennium: inductive reconstructions from proxy data. // Proceedings of IAU Symposium No 223. Multi-Wavelength Investigations of Solar Activity. St. Petersburg. 2004. PDF (full-text)
  • Nagovitsyn Yu.A., Ivanov V.G., Miletsky E.V., and Volobuev D.M. Extended time series of Solar Activity Indices (ESAI): new possibilities for complex description of magnetic cycle. // Proceedings of IAU Symposium No 223. Multi-Wavelength Investigations of Solar Activity. St. Petersburg. 2004. PDF (full-text)
  • Volobuev D. M., Nagovitsyn Yu.A., Jungner H., Ogurtsov M.G., Ivanov V.G., Miletsky E.V. ═olocene 14Đ production rate and solar activity. // Proceedings of IAU Symposium No 223. Multi-Wavelength Investigations of Solar Activity. St. Petersburg. 2004. PDF (full-text)
  • Gelfreikh G.B., Shibasaki K., Nagovitsyna E.Yu., Nagovitsyn Yu.A. Analysis of quasi-periodic oscillations of position and brightness of details of the radio sources of the solar active regions based on observations made with the radio heliograph Nobeyama. // Proceedings of IAU Symposium No 223. Multi-Wavelength Investigations of Solar Activity. St. Petersburg. 2004. PDF (full-text)
  • Nagovitsyn Yu.A., Ivanov V.G., Miletsky E.V., D.M. Volobuev D.M. Solar activity reconstruction from proxy data. - Proceedings of the International Conference-Workshop "Cosmogenic climate forcing factors during the last mil-lennium". Kaunas, Vytauas Magnus University, 2003, pp.41-50. PDF (full-text)
  • Nagovitsyn Yu.A., Ogurtsov M.G. Grand minima and maxima of Solar activity and terrestrial climate: last millennium and overview of future in general out-line. - Proceedings of international conference "Climatic and ecological aspects of solar activity". St.-Petersburg, Russia, P.321. 2003. (in Russian)
  • Nagovitsyn Yu.A., Ogurtsov M.G. On the Solar activity variations during Maunder minimum. // Proceedings of international conference "Climatic and ecological aspects of solar activity". St.-Petersburg, Russia, P.327. 2003. (in Russian)
  • Nagovitsyn Yu.A. On a long-term nonstationarity of 11-years cycle of solar activity. // "Space-Time aspects of the solar activity". Phys.-tech. Inst. of RAS, St.-Petersburg. P.125. 1992. (in Russian)
  • Nagovitsyn Yu.A. On a possible influence of solar activity on temperature weather anomalies. // "Space-Time aspects of the solar activity". Phys.-tech. Inst. of RAS, St.-Petersburg. P.197. 1992. (in Russian)
  • Nagovitsyn Yu.A. On a relation of century cycles of activity of equatorial and polar components of a magnetic field of the Sun. // "Solar magnetic field and corona". V.1. Novosibirsk. 1989. (in Russian)
  • Nagovitsyn Yu.A. Stochasticity of process of self-excitation of a magnetic field in a 22-year cycle and rules of parity of 11-year cycles of solar activity. // "Solar magnetic field and corona". V.1. Novosibirsk. 1989. (in Russian)
  • Nagovitsyn Yu.A. On North-Southern asymmetry of activity of low and high latitudes of the Sun. // "Solar magnetic field and corona". V.1. Novosibirsk. 1989. (in Russian)
  • Nagovitsyn Yu.A. A "Synthetic" 130-yr Series of the Polar Faculae Means. // 'Solar-Terrestrial Predictions Workshop'. Ext. Abstracts. Leura. Australia. 1989.

9. Conferences

A participant and LOC member of Pulkovo annual international conferences on Solar physics (1997-2005).
Vice-chair of LOC of the Pulkovo conferences "The Sun during polar field reversal epoch" (2001),
"Solar Activity and Cosmic Rays after Polar Magnetic Field Reversal" (2002) and "Solar activity as a factor of Space Weather" (2005).
Co-chair of SOC and LOC of the conference "Climatic and Ecological aspects of the Solar activity" (2003).
The member of SOC of the conferences "Solar activity and its terrestrial manifestations" (Irkutsk, 2000),
"Cosmogenic climate forcing factors during the last millennium "(Kaunas, Lithuania, 2003),
"Experimental and theoretical studies of helio- and geo-physical activity prediction" (Moscow, 2005).
A participant of more than 30 conferences on Solar physics, astrophysics, Space Weather etc.


VII Pulkovo annual international conference "Climatic and Ecological aspects of the Solar activity" - July, 2003

New!Conference "Solar activity as a factor of Space Weather" - Pulkovo, July 4-9, 2005 (in Russian)

10. Mass-media


"ůAstronomy is a science working for the future" #643, Friday, February 9, 2001
"Space forecast" project (2000-2004), with E.Miletsky "Sankt-Peterburgskie Vedomosti"No 112(2502), June 23, 2001

11.FOTOS of the past years


Yury Nagovitsyn's mailbox (click me)


Updated : June 27 , 2005


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