Institution: | 1.Young Researchers and Elite Club, Firoozkooh Branch, Islamic Azad University, Firoozkooh, Iran;2.Department of Physics, Faculty of Basic Sciences, University of Mazandaran, P. O. Box 47416-95447, Babolsar, Iran;3.Research Institute for Astronomy and Astrophysics of Maragha (RIAAM), P. O. Box 55134-441, Maragha, Iran; |