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Tuesday, September 18 2018

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Massive stars that are heavier than ~8 times the mass of the sun are known to end their lives dramatically as core-collapse supernovae. It is also known that the majority of these massive stars are members of binary or higher order multiple systems, which have orbital separations small enough for the stars to interact with each other during their evolution. Thus it is natural to consider that many core-collapse supernovae have occurred in close binary systems.