Обсерватория LIGO увидела слияние нейтронной звезды и рекордно легкой черной дыры

We report the observation of a coalescing compact binary with component masses $2.5text{-}4.5~M_odot$ and $1.2text{-}2.0~M_odot$ (all measurements quoted at the 90% credible level). The gravitational-wave signal GW230529_181500 was observed during…