Institution: | 1. Department of Physics, Faculty of Sciences, University of Birjand, Birjand, Iran;2. Department of Astronomy and Space Sciences, University of Ege, ?zmir, Turkey;1. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China;2. School of Astronomy & Space Science, Nanjing University, Nanjing 210093, China;3. Key Laboratory of Modern Astronomy and Astrophysics, Nanjing University, Ministry of Education, Nanjing 210093, China;1. Departament d’Arquitectura i Tecnologia de Computadors, Universitat de Girona, Spain;2. Departamento de Física, Universidad de Jaén, Spain;3. Departament d’Astronomia i Meteorologia and Institut de Ciències del Cosmos, Universitat de Barcelona, Spain;1. Observatorio Astronómico, Universidad Nacional de Córdoba, Laprida 854, Córdoba, Argentina;2. Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Av. Rivadavia 1917, Ciudad Autónoma de Buenos Aires, Argentina |