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A New Determination of the Mass of NGC 3603-A1: The Most Massive Binary Known?

Philip Massey et al 2025 ApJ 990 52 New and archival Hubble observations show that the components of NGC 3603-A1 have masses of 93 and 70 solar masses, and these two enormous stars orbit one another…

Read the full article
Kerry Hensley7mo agoen

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