Authors
1 Physics Department, Fac ul t y of Science, Imam Khomeini International University, Qazvin 34149-16818, Islamic Republic of Iran
2 Astronomical Institute, Academy of Sciences of the Czech Republic (v.v.i.), Fricova 298, CZ25165 Ondˇrejov, Czech Republic;
3 Instituto de Astrof´ısica de Andaluc´ıa (CSIC), Apdo. 3004, 18080 Granada, Spain;
4 Institute for Solar Physics, Department of Astronomy, Stockholm University, AlbaNova Uni- versity Center, 106 91 Stockholm, Sweden;
Abstract
Keywords