Vol. 58, No. 8, 2018

Geomagnetism and Aeronomy

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

Reconstruction of Centennial Series of Solar Activity

K. A. Tlatova, V. V. Vasil’eva, N. N. Skorbezh, E. A. Illarionov and A. G. Tlatov p. 1021 abstract

Halistatt Cycle Subarctic Fennoscandian Temperature and Its Possible Link with Solar Activity

M. G. Ogurtsov and S. Helama p. 1029 abstract

Secular Variations of a Shift of the Heliospheric Current Sheet

M. V. Vokhmyanin, N. V. Zolotova and D. I. Ponyavin p. 1037 abstract

Solar Radiation Change and Climatic Effects on Decennial–Centennial Scales

V. A. Dergachev and D. M. Volobuev p. 1042 abstract

Energy Spectra and Time Delays of Hard X-Rays of Solar Flares in Konus-Wind and RHESSI Experiments

Yu. E. Charikov, A. N. Shabalin, E. P. Ovchinnikova, A. L. Lysenko and S. A. Kuznetsov p. 1050 abstract

New Data about Long-Term Changes of Solar Activity

V. M. Efimenko and V. G. Lozitsky p. 1057 abstract

The Occurrence of Sporadic-E Layer over Equatorial Anomaly Crest Region Bhopal

Hafsa Siddiqui, Varsha Kachneria and A. M. Aslam p. 1061 abstract

Free-Free Absorption in Solar Atmosphere

M. S. Dimitrijević, V. A. Srećković, N. M. Sakan, N. N. Bezuglov and A. N. Klyucharev p. 1067 abstract

The Polarimetry of Нα-prominences

I. S. Kim, I. V. Alexeeva, E. Z. Suyunova, V. V. Popov, A. R. Osokin and I. V. Mironova p. 1073 abstract

Problems in Forecasting of the Decennial Solar Activity in Terms of TSI by the Method of Analogs

A. A. Skakun, D. M. Volobuev and A. V. Mordvinov p. 1081 abstract

Evolution of Solar Active Regions Before Large Flares: Overview of the Events of 2010–2017

A. G. Tlatov, V. E. Abramov-Maximov, V. N. Borovik and L. V. Opeikina p. 1087 abstract

Reconstruction of the Wolf Numbers Based on Radiocarbon Data from the Early 11th Century until the Middle of the 19th Century with Respect to Climate Changes

A. I. Kuleshova, V. A. Dergachev, I. V. Kudryavtsev, Yu. A. Nagovitsyn and M. G. Ogurtsov p. 1097 abstract

The Gnevyshev-Ohl Rule and Two Sunspot Group Populations

Yu. A. Nagovitsyn and A. A. Osipova p. 1103 abstract

Radiation Conditions near Exoplanets of the TRAPPIST-1 System

A. B. Struminsky, A. M. Sadovski and M. S. Zharikova p. 1108 abstract

Simulation of Subterahertz Emission from the April 2, 2017 Solar Flare Based on the Multiwavelength Observations

A. S. Morgachev, Yu. T. Tsap, V. V. Smirnova and G. G. Motorina p. 1113 abstract

The Effect of Heat Conduction on the Formation of Coronal Condensations in the Solar Atmosphere

K. V. Romanov p. 1123 abstract

Vertical Electric Currents in Active Regions: Calculation Methods and Relation to the Flare Index

Yu. A. Fursyak p. 1129 abstract

Positive and Negative Photospheric Fields in Solar Cycles 21–24

E. S. Vernova, M. I. Tyasto, D. G. Baranov and O. A. Danilova p. 1136 abstract

Slowly Varying Component of Radio Emission from TVLM 513-46546 and Continuous Sources of High Energy Electrons in the Coronae of UltraCool Stars

V. V. Zaitsev and A. V. Stepanov p. 1144 abstract

On a Magnetic Anomaly in the Umbra of the Following Spot of an NOAA 12192 Active Region

A. N. Babin, A. N. Koval’, Yu. T. Tsap and A. V. Borisenko p. 1149 abstract

Contributions from Different-Type Active Regions Into the Total Solar Unsigned Magnetic Flux

V. I. Abramenko, A. V. Zhukova and A. S. Kutsenko p. 1159 abstract

Some Features of the Two Sunspot Group Populations’ Properties

Yu. A. Nagovitsyn, A. A. Pevtsov, A. A. Osipova and V. G. Ivanov p. 1170 abstract

Long-term Changes in Total Solar Irradiance and Their Predictions

A. V. Mordvinov, A. A. Skakun and D. M. Volobuev p. 1175 abstract

On the Dependence of the Solar Wind Velocity on the Fractional Area of Coronal Holes in Longitude

Z. S. Akhtemov and Yu. T. Tsap p. 1187 abstract

Contents

Geomagnetism and Aeronomy