Affiliation: | Special Astrophysical Observatory of RAS, Nizhnij Arkhyz, Karachai-Circassia 369167, Russia;Isaac Newton Institute of Chile, SAO branch, Nizhnij Arkhyz, Russia;South African Astronomical Observatory, PO Box 9, 7935 Observatory, Cape Town, South Africa;Southern African Large Telescope Foundation, PO Box 9, 7935 Observatory, Cape Town, South Africa;GEPI and Station de radioastronomie, Observatoire de Paris, 5 place Jules Janssen, 92190 Meudon, France |