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Central Object of the 30 Doradus Nebula, a Supermassive Star

Savage, B. D.; Cassinelli, J. P.; Mathis, J. S.

R136 (HD 38268) is the central object of the 30 Doradus Nebula, a giant region of ionized hydrogen in the Large Magellanic Cloud. Observations of R136 at low and high spectral resolution with the International Ultraviolet Explorer reveal a peculiar hot object with a massive stellar wind. An outflow speed of 3500 kilometers per second and a tempera…