Maryeva O.V.; Koenigsberger G.; Karpov S.V.; Lozinskaya T.A.; Egorov O.V.; Rossi C.; Calabresi M.; Viotti R.F.
(2020)
© ESO 2020. Context. GR 290 (M 33 V0532 = Romano's star) is a luminous M 33 object undergoing photometric variability typical for luminous blue variable stars. It lies inside the Wolf-Rayet region in the Hertzsprung-Russell ...