Weighing Melnick 34: the most massive binary system known

Katie A. Tehrani, Paul A. Crowther, Joachim M. Bestenlehner +4

Here we confirm Melnick 34, an X-ray bright star in the 30 Doradus region of the Large Magellanic Cloud, as an SB2 binary comprising WN5h+WN5h components. We present orbital soluti…