Contents

Geomagnetism and Aeronomy


Vol. 57, No. 7, 2017

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Geomagnetism and Aeronomy ISSN 0016-7932.


Space Weather Forecasting and Supporting Research in the USA

A. A. Pevtsov p. 769  abstract

The Ratio Between the Number of Sunspot and the Number of Sunspot Groups

K. Georgieva, A. Kilçik, Yu. Nagovitsyn and B. Kirov p. 776  abstract

Versions of Time Series for Classical Solar Indices and an Adequate Description of Solar Activity

Yu. A. Nagovitsyn and K. Georgieva p. 783  abstract

Latitude and Power Characteristics of Solar Activity at the End of the Maunder Minimum

V. G. Ivanov and E. V. Miletsky p. 788  abstract

Diagnostics of Turbulent Dynamo from the Flux Emergence Rate in Solar Active Regions

V. I. Abramenko, O. I. Tikhonova and A. S. Kutsenko p. 792  abstract

Results of Spectral Corona Observations in Solar Activity Cycles 17–24

A. Kh. Aliev, S. A. Guseva and A. G. Tlatov p. 798  abstract

Coronal Holes as Tracers of the Sun’s Global Magnetic Field in Cycles 21–23 of Solar Activity

I. A. Bilenko and K. S. Tavastsherna p. 803  abstract

Dynamic Characteristics of Area Variations of Small and Large Sunspots and Quasi-Biennial Oscillations in Solar Activity

I. G. Kostyuchenko p. 814  abstract

Temporal Variations of the Magnetic Flux in the Solar Photosphere

V. L. Merzlyakov and L. I. Starkova p. 821  abstract

Reconstruction of a Hundred Years Series of Solar Filaments from Daily Observational Data

K. A. Tlatova, V. V. Vasil’eva and A. G. Tlatov p. 825  abstract

Prominence Characteristics in 16th Activity Cycle

K. A. Tlatova and V. G. Nagnibeda p. 829  abstract

Some Features of the Variation of the Magnetic Field Characteristics in the Umbra of Sunspots During Flares and Coronal Mass Ejections

Yu. S. Zagainova, V. G. Fainshtein, G. V. Rudenko and V. N. Obridko p. 835  abstract

On the Constancy of the Width of Coronal Magnetic Loops

V. V. Zaitsev and P. V. Kronshtadtov p. 841  abstract

Small-Scale Magnetic Helicity and Nonlinear Stabilization of the Dynamo

D. D. Sokoloff, E. V. Yushkov and A. S. Lukin p. 844  abstract

Coronal Loop As an Element of the Potential Magnetic Arcade

A. A. Solov’ev, E. A. Kirichek and O. A. Korol’kova p. 849  abstract

Space Weather Parameters: Modeling and Prediction from the Data of Groundbased Observations of Solar Activity

A. G. Tlatov, A. D. Shramko, Ya. O. Chernov, M. A. Strelkov and E. Naga Varun p. 854  abstract

Modification of “Pressed” Atmospheres in Active Regions of Ultracool Stars

V. V. Zaitsev, P. V. Kronshtadtov and A. V. Stepanov p. 859  abstract

Model of Transport of Large-Scale Magnetic Field Fluctuations in the Solar Wind

D. V. Erofeev p. 864  abstract

Space Weather Forecasting at IZMIRAN

S. P. Gaidash, A. V. Belov, M. A. Abunina and A. A. Abunin p. 869  abstract

Cyclical Changes in the Pleistocene Climate from an Analysis of Biogenic Silica in a Bottom Sediment Core Sample of Lake Baikal

V. A. Dergachev and P. B. Dmitriev p. 877  abstract

Possible Contribution of Variations in the Galactic Cosmic Ray Flux to the Global Temperature Rise in Recent Decades

M. G. Ogurtsov and S. V. Veretenenko p. 886  abstract

Solar-Type Stars with the Suppression of Convection at an Early Stage of Evolution

A. V. Oreshina, V. A. Baturin, S. V. Ayukov and A. B. Gorshkov p. 891  abstract

Cyclotron Line in Solar Microwave Radiation by Radio Telescope RATAN-600 Observations of the Solar Active Region NOAA 12182

N. G. Peterova and N. A. Topchilo p. 896  abstract

Contribution of the Solar Constant Variations to Calculations of Insolation for the Holocene Period

A. A. Skakun and D. M. Volobuev p. 902  abstract

Variations of the Photospheric Magnetic Field Following the Eruptive Event on June 7, 2011

V. G. Fainshtein, Ya. I. Egorov and G. V. Rudenko p. 906  abstract

Flare Plasma Diagnostics from X-Ray and Ultraviolet Observations

Yu. T. Tsap and G. G. Motorina p. 916  abstract