About the authors
Special Astrophysical Observatory, Russian Academy of Sciences, 357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia; Kazan (Volga Region) Federal University, 420000, Kazan, Russia; North-Caucasus Federal University, 355017, Stavropol, Russia
Email: kolbinalexander@mail.ru
Россия, Нижний Архыз; Россия, Казань; Россия, Ставрополь
Special Astrophysical Observatory, Russian Academy of Sciences, 357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia; Kazan (Volga Region) Federal University, 420000, Kazan, Russia
Email: kolbinalexander@mail.ru
Россия, Нижний Архыз; Россия, Казань
Special Astrophysical Observatory, Russian Academy of Sciences, 357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia; Kazan (Volga Region) Federal University, 420000, Kazan, Russia
Email: kolbinalexander@mail.ru
Россия, Нижний Архыз; Россия, Казань
Special Astrophysical Observatory, Russian Academy of Sciences, 357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia
Email: kolbinalexander@mail.ru
Россия, Нижний Архыз
Special Astrophysical Observatory, Russian Academy of Sciences, 357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia
Email: kolbinalexander@mail.ru
Россия, Нижний Архыз
Special Astrophysical Observatory, Russian Academy of Sciences, 357147, Nizhnii Arkhyz, Karachai-Cherkessian Republic, Russia
Author for correspondence.
Email: kolbinalexander@mail.ru
Россия, Нижний Архыз