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

Related papers

• Accreting Neutron Stars in Low-Mass X-ray Binaries
• Numerical Studies of Accretion Flows onto a Neutron Star Engulfed in a Massive Star
• Early panchromatic spectra reveal helium in the thermonuclear supernova 2024kce
• Multiwavelength Classification of Chandra Sources in Omega Centauri
• Impact of the equation of state on core collapse supernovae I: the low- T/W instability
• Secular Evolution of Quasiperiodic Eruptions: eRO-QPE2