Soria, Roberto2015-12-132015-12-131323-3580http://hdl.handle.net/1885/94499We conducted spectroscopic and photometric observations of the optical companion of the X-ray transient RX J0117·6-7330 in the Small Magellanic Cloud, during a quiescent state. The primary star is identified as a B0·5 IIIe with a mass M* = (18 ± 2)M⊙Keywords: Galaxies: Magellanic Clouds; Stars: individual (RX J0117·6-7330); X-ray: binaries19992015-12-12