BB Doradus or BB Dor is a cataclysmic variable or nova-like star that is a binary star system composed of a red dwarf and a white dwarf.
EC 20058-5234, also known as QU Telescopii, is a star in the constellation Telescopium.
An O-type star is a hot, blue-white star of spectral type O in the Yerkes classification system employed by astronomers.
South African Astronomical Observatory (SAAO) is the national centre for optical and infrared astronomy in South Africa.
The UK Schmidt Telescope (UKST) is a 1.24 metre Schmidt telescope operated by the Australian Astronomical Observatory (formerly the Anglo-Australian Observatory); it is located adjacent to the 3.9 metre Anglo-Australian Telescope at Siding Spring Observatory, Australia.