Iron K alpha signatures from accretion disks around fermionic dark matter cores

arXiv:2608.03797 · astro-ph.HE, astro-ph.GA · Submitted 2026-08-04 · Read on arXiv

V. Crespi, F. L. Vieyro, C. R. Argüelles, J. A. Rueda

astro-ph.HE, astro-ph.GA

Submitted: 2026-08-04

Comments: Submitted to Astronomy & Astrophysics. Comments are welcome

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

Terminology

• Core — 72× in this paper · explained in 2 episodes
• AGN — 6× in this paper · explained in 1 episode
• N-body simulations — 3× in this paper · explained in 2 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Energy Efficiency — 2× in this paper · explained in 3 episodes
• alpha — 2× in this paper · explained in 1 episode
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• General Relativity — 1× in this paper
• Spectral Signature — 1× in this paper · explained in 2 episodes
• X-Ray Imaging and Spectroscopy Mission — 1× in this paper

Sources

• Black hole X-ray spectra: notes on the relativistic calculations
• Testing non-circular black hole spacetime with X-ray reflection
• Degeneracy in Accretion Disk Spectra from Naked Singularities and Kerr Black Holes: Application to the AGN MCG-06-30-15

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