2 papers
astro-ph.HE2026
The First X-Ray Polarimetry of the Typical Accretion Disk Corona Source 4U 1822-37
WanYun Wu, Fei Xie, YuShan Ling
We report the first Imaging X-ray Polarimetry Explorer (IXPE) observations of the typical accretion disk corona (ADC) source 4U 1822-37, covering 44 orbital cycles, together with s…
astro-ph.HE2026
Unchanged X-Ray Polarization During Accretion Dips in the Low Hard State of Cygnus X-1
Yu-shan Ling, Fei Xie, Alessandro Di Marco +2
Cygnus X-1 serves as a foundational benchmark for studying accretion mechanisms in stellar-mass black hole X-ray binaries. While traditional X-ray timing and spectroscopy have mapp…