509 citations
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Showing 2026 · astro-ph.HEShow all
3 papers · 2 filters
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…
astro-ph.HE2026
Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies
S. Abe, J. Abhir, A. Abhishek +457
The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), together with its electromagnetic counterpart, th…
astro-ph.HE2026
Sensitivities of Black Hole Images from GRMHD Simulations
Pedro Naethe Motta, Mário Raia Neto, Cora Prather +1
The advent of high-fidelity imaging of supermassive black holes calls for efficient and robust data-analysis methods. In this work, we use , a differentiable, $\te…