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astro-ph.SR2025
The Stellar Content of NGC~3603 Revisited: Is the IMF Top Heavy?
Philip Massey, Nidia I. Morrell, Kathryn F. Neugent +3
Studies of the resolved stellar populations of young massive clusters have shown that the slope of the initial mass function appears to be the same everywhere, with no dependence o…
astro-ph.SR2025
A New Determination of the Mass of NGC 3603-A1: the Most Massive Binary Known?
Philip Massey, Sarah Bodansky, Laura R. Penny +2
The star NGC 3603-A1 has long been known to be a very massive binary, consisting of a pair of O2-3If*/WN5-6 stars, which show Wolf-Rayet-like emission due to their luminosities bei…