output
20042026
most citedThe Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. I. Overview of the Project and Detection of Multiple Stellar Populations

509 citations

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11 papers · 1 filter

astro-ph.GA2026

The Radial Acceleration Relation in Galaxies and Clusters from a Two-Component, Virial-Motivated Framework

Christine C. Dantas, Andre L. B. Ribeiro, Hugo V. Capelato

We present a comparative analysis of acceleration data for gravitational systems drawn from multiple observational sources, including: (i) early-type galaxies (ETGs) (Lelli et al.…

astro-ph.SR2026

Spectroscopic analysis of RGB stars in nine open clusters

Saulo de Oliveira Cantanhêde, Alan Alves-Brito, Rodolfo Smiljanic +4

Stellar clusters are crucial tools for studying the age, spatial distribution, dynamics, kinematics, and chemical composition of different Galactic stellar populations. In this wor…

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…

nucl-th2026

Quark-Meson Coupling Model in Heavy-Ion Collision Simulations

Dae Ik Kim, Chang-Hwan Lee, Kyungil Kim +3

The quark-meson coupling (QMC) model incorporates quark degrees of freedom into the relativistic mean-field (RMF) framework, distinguishing it from traditional quantum hadrodynamic…