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astro-ph.HE2026
Neutron Star Mass-Radius Constraints for EXO 0748676 from 2008-2025 Quiescent X-ray Spectra
Mingyang Wang, Guobao Zhang, Ang Li
We present new constraints on the mass and radius of the neutron star in the neutron star low-mass X-ray binary EXO 0748676 obtained from a joint analysis of 20 quiescent X-ray…
astro-ph.HE2026★ 1 cited
An Archival Optical Counterpart Search for Extragalactic Fast X-Ray Transients Discovered by Einstein Probe
Run-Duo Liang, Wen-Xiong Li, Liang-Duan Liu +50
Extragalactic fast X-ray transients (eFXTs) represent a rapidly growing class of high-energy phenomena, whose physical origins remain poorly understood. With its wide-field, sensit…