1. Zentrum für Astronomie der Universität Heidelberg, Astronomisches Rechen-Institut, Mönchhofstr. 12-14, D-69120 Heidelberg, Germany
2. Fesenkov Astrophysical Institute, Observatory str. 23, 050020 Almaty, Kazakhstan
3. Faculty of Physics and Technology, Al-Farabi Kazakh National University, Al-Farabi ave. 71, 050040 Almaty, Kazakhstan
4. The International Center of Future Science of the Jilin University, 2699 Qianjin St., 130012 Changchun City, China
5. Main Astronomical Observatory, National Academy of Sciences of Ukraine, 27 Akademika Zabolotnoho St, 03680 Kyiv, Ukraine