| Institution: | 1. Department of Physics, College of Science, Northern Border University, Arar, Saudi Arabia;2. Department of Astronomy, National research Institute of Astronomy and Geophysics, Helwan 11421, Cairo, Egypt;1. Institute of Space Technology, Institute of Space Technology, Islamabad, Pakistan;2. Australian Astronomical Observatory, NSW 1670, North Ryde, PO Box 915, Australia;3. Department of Phsyics and Astronomy, Western University, N6A 3K7,Ontario, London, Canada;1. Department of Mathematics, Sri Aurobindo College, University of Delhi, Delhi, India;2. Department of Physics, School of Science, Aristotle University of Thessaloniki, Thessaloniki GR-541 24, Greece;3. Department of Mathematics, Deshbandhu College, University of Delhi, Delhi, India;4. Department of Mathematics, ARSD College, University of Delhi, New Delhi, India;1. Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, PR China;2. Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, PR China;3. University of Chinese Academy of Sciences, Beijing 100049, PR China;1. Department of Mathematics, Institute of Applied Sciences & Humanities, G. L. A. University, Mathura, Uttar Pradesh 281 406, India;2. Department of Mathematics, Government Model Science College, Rewa, Madhya Pradesh 486 001, India |
