Wind and nebula of the M33 variable GR290 (WR/LBV)

29 Apr 2018 Maryeva Olga Koenigsberger Gloria Egorov Oleg Rossi Corinne Polcaro Vito Francesco Calabresi Massimo Viotti Roberto F.

Context: GR290 (M33/V532=Romano's Star) is a suspected post-LBV star located in M33 galaxy that shows a rare Wolf-Rayet spectrum during its minimum light phase. In spite of many studies, its atmospheric structure, its circumstellar environment and its place in the general context of massive stars evolution is poorly known... (read more)

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  • SOLAR AND STELLAR ASTROPHYSICS