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A compact object in the mass gap

The LIGO/Virgo collaboration recently announced the detection of an unusual compact binary merger including either the most massive neutron star or the least massive black hole known. The formation path of such a binary system is still up for debate.

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Fig. 1: Mass distribution of COs and possible formation pathways of a mass gap CO in a GW190814-like system.

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Correspondence to Mohammadtaher Safarzadeh.

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Safarzadeh, M. A compact object in the mass gap. Nat Astron 4, 735–736 (2020). https://doi.org/10.1038/s41550-020-1177-1

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