Affiliation: | 1. Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnii Arkhyz, 369167, Russia 2. Kazan (Volga region) Federal University, Kazan, 420008, Russia 3. Instituto de Astronomía, Universidad Católica del Norte, Antofagasta, Chile 4. Central Astronomical Observatory at Pulkovo, Russian Academy of Sciences, St. Petersburg, 196140, Russia 5. Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F., 04510, México 6. Sobolev Astronomical Institute, St. Petersburg State University, St. Petersburg, 198504, Russia 7. National Astronomical Research Institute of Thailand, Chiang Mai, 50200, Thailand
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