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astro-ph.HE2026
Kinematically Resolving the Fe K Complex in Her X-1: The Accretion Disk and Ionized Wind Across X-ray Eclipses
Koh Sakamoto, Teruaki Enoto, Peter Kosec +8
We present XRISM/Resolve spectroscopy of Her X-1 across three X-ray eclipses observed in September 2024, resolving its iron K complex through the ingress, mid-eclipse, and egress p…
astro-ph.HE2018
Cyclotron lines in highly magnetized neutron stars
R. Staubert, J. Trümper, E. Kendziorra +10
Cyclotron lines, also called cyclotron resonant scattering features (CRSF) are spectral features, generally appearing in absorption, in the X-ray spectra of objects containing high…
astro-ph.HE2016
Continued decay in the cyclotron line energy in Hercules X-1
R. Staubert, D. Klochkov, V. Vybornov +2
The centroid energy Ecyc of the cyclotron line in the spectrum of the binary X-ray pulsar Her X-1 had been found to decrease with time on a time scale of a few tens of years - surp…