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astro-ph.HE2023
Discovery of A Compact X-ray Object with A 614s Periodicity in the Direction of the Galactic center
Hang Gong
We report on analysis of X-ray, optical and radio observations of the previously overlooked X-ray source 2CXO\,J174517.0321356 located just 3.2 away from the Galactic…
astro-ph.HE2023
Discovery of An X-ray Photoionized Optical Nebula and A Radio Nebula Associated with the ULX NGC 4861 X-1
Hang Gong, Ryan Urquhart, Alexandr Vinokurov +5
We have conducted long-slit spectroscopic observations and analyzed archival radio data for the ultraluminous X-ray source (ULX) NGC 4861 X-1. Our spectral line analysis unveils th…