Simulating Chemical Abundances in the Circumstellar Nebula of the Late Stage Binary RY Scuti

RY Scuti, thought to be a Wolf–Rayet (WR) progenitor, is a massive post-main-sequence binary star system undergoing Roche-lobe overflow (RLOF). SOFIA (+FORCAST) spectroscopy of the inner, ionized region of RY Scuti’s double ringed toroidal…

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