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Re:New type of black holes – Non interacting low-mass black ... by sohkamyung on Thursday October 31, 2019 @11:39PM (#21416093)
While the title of the paper says a low-mass black hole, the abstract does say it could also be a high mass neutron star:

> Constraints on the giant’s mass and radius imply that the unseen companion is 3.3+2.8−0.7 solar masses, indicating that it is a noninteracting low-mass black hole or an unexpectedly massive neutron star.

Presumably, further observations will help determine what it is.

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