Saturday, 24 May 2025

Binary star system with millisecond pulsar and a helium star companion discovered

A large team of astronomers and astrophysicists affiliated with several institutions in China has discovered a binary star system, where one of the stars is a millisecond pulsar and the other is made mostly of helium. In their paper published in the journal Science, the group describes how they discovered that a pulsar under study since 2020 had a companion star—one that was gravitationally bound to it.

source https://phys.org/news/2025-05-binary-star-millisecond-pulsar-helium.html
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