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$G$ Objects and primordial black holes. (arXiv:2308.08623v1 [astro-ph.CO])

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We suggest that "$G$ objects" recently discovered in the Galactic Center may
be clouds of gas bound by the gravitational field of stellar-mass black holes
produced in the interactions of sublunar primordial black holes with neutron
stars. If dark matter is composed of primordial black holes with masses
$(10^{-16} - 10^{-10}) M_\odot$, these black holes can be captured by neutron
stars in the Galactic Center, where the dark matter density is high. After the
capture, the neutron star is consumed by the black hole, resulting in a
population of $(1-2) M_\odot $ black holes. These stellar-mass black holes,
accompanied by gaseous atmospheres, can account for the observed properties of
the $G$ objects, including their resilience to tidal disruption by the
supermassive black hole in the Galactic Center while also producing emission
consistent with inferred luminosities.

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