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astro-ph.HE2026
The Galactic Black Hole mass distribution
L S. Rocha, N. Pires, L. M. de Sá +8
The population of extragalactic black holes has been significantly expanded and better understood since the first detection of gravitational waves. Over the past decade, approximat…
astro-ph.HE2026
The Role of the Core in Setting Massive Neutron-Star Radii
R. V. Lobato, J. E. Horvath, M. Malheiro
Recent observations by the Neutron Star Interior Composition Explorer (NICER) indicate that the massive pulsar PSR J0740+6620 () has a radius comparable to those i…
astro-ph.HE2026
The mass of the neutron star in 4U 1820-30 revisited
Marcio G B de Avellar, Jorge E Horvath, Nathalia D Pires +7
We revisit the mass of the neutron star in the ultracompact binary 4U 1820--30 in light of a recently reported transient absorption feature at about 3.8 keV, interpreted as a gravi…