1. Institute of Astronomy, Russian Academy of Sciences, Pyatnitskaya 48, 119017 Moscow, Russia
2. Max-Planck Institute für Sonnensystemforschung, Justus-von-Liebig-Weg 3, D-37077 Göttingen, Germany
3. University Grenoble Alpes, IPAG, F-38000 Grenoble, France
4. Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnii Arkhyz 369167, Russia
5. Federal State Budget Scientific Institution ‘Crimean Astrophysical Observatory of RAS’, Nauchny, Crimea 298409, Russia
6. Instituto de Astronomia, Universidad Catolica del Norte, Av. Angamos 0610, Antofagasta 1270709, Chile
7. Central (Pulkovo) Observatory, Pulkovskoe Shosse 65, Saint-Petersburg 196140, Russia