Institution: | (1) Space Research Institute, Russian Academy of Sciences, Profsoyuznaya ul. 84/32, Moscow, 117997, Russia;(2) SRI Crimean Astrophysical Observatory, p/o Nauchny, Crimea, 98409, Ukraine;(3) Sternberg Astronomical Institute, Universitetskii pr. 13, Moscow, 119992, Russia |