Energy-Resolved Limits on Orbital X-ray Polarization Modulation in Cygnus X-1

arXiv:2606.30894 · astro-ph.HE · Submitted 2026-06-29 · Read on arXiv

astro-ph.HE

Submitted: 2026-06-29

Updated: 2026-09-11

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

Hardness Ratio — 16× in this paper
Calibration — 2× in this paper · explained in 7 episodes
European Space Agency — 2× in this paper
Imaging X-ray Polarimetry Explorer — 2× in this paper
Accretion Flows — 1× in this paper · explained in 1 episode
Accuracy — 1× in this paper · explained in 1 episode
Anti-correlation — 1× in this paper · explained in 3 episodes
High-Energy Astrophysics Science Archive Research Center — 1× in this paper
Marshall Space Flight Center — 1× in this paper
Modified Julian Date — 1× in this paper
Trace — 1× in this paper · explained in 2 episodes

Sources

An Improved Orbital Ephemeris for Cygnus X-1

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