Recent studies have claimed the existence of very massive stars (VMS) up to 300 M ⊙ in the local Universe. As this finding may represent a paradigm shift for the canonical stellar upper-mass limit of 150 M ⊙, it is timely to discuss the status of the data, as well as the far-reaching implications of such objects. We held a Joint Discussion at the General Assembly in Beijing to discuss (i) the determination of the current masses of the most massive stars, (ii) the formation of VMS, (iii) their mass loss, and (iv) their evolution and final fate. The prime aim was to reach broad consensus between observers and theorists on how to identify and quantify the dominant physical processes
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机译：最近的研究声称在当地宇宙中存在高达300 M⊙的超大质量恒星（VMS）。由于这一发现可能代表标准恒星质量上限150 M a发生了范式转换，因此现在就讨论数据的状态以及此类对象的深远影响是适时的。我们在北京的大会上举行了联合讨论，以讨论（i）确定最大质量恒星当前质量的过程，（ii）VMS的形成，（iii）质量损失，以及（iv）它们的演化和最后的命运。主要目的是在观察者和理论家之间就如何识别和量化主要的物理过程达成广泛共识。
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