Unlocking the QPE Mystery: Star-Disk Collisions in Realistic AGN Disks

arXiv:2609.03011 · astro-ph.HE · Submitted 2026-09-02 · Read on arXiv

astro-ph.HE

Submitted: 2026-09-02

Updated: 2026-09-02

Terminology

• AGN — 8× in this paper · explained in 1 episode
• Accretion Efficiency — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Institute for Advanced Study — 1× in this paper

Sources

• SRG/eROSITA No. 5: Discovery of quasi-periodic eruptions every ~3.7 days from a galaxy at z>0.1
• Radiation-hydrodynamics of star-disc collisions for quasi-periodic eruptions
• Radiation-hydrodynamics of star-disc collisions: From system parameters to outflows and lightcurves
• Perturbing AGN Accretion Disks with Stars and Moderately Massive Black Holes: Implications for Changing-Look AGN and Quasi-Periodic Eruptions
• The radio properties of quasi-periodic X-ray eruption sources
• QPEs from EMRI Debris Streams Impacting Accretion Disks in Galactic Nuclei
• Quasi-periodic Eruptions from Stellar-mass Black Holes Impacting Accretion Disks in Galactic Nuclei
• NICER observations reveal doubled timescales in Ansky's quasi-periodic eruptions (QPEs)
• Resolving Oblique Star-Disk Collisions in Quasi-Periodic Eruptions: Numerical Requirements and the Importance of Geometry
• Multi-band Emission from Star-Disk Collision and Implications for Quasi-Periodic Eruptions
• Collisions with tidal disruption event disks: implications for quasi-periodic X-ray eruptions
• Quasi-Periodic Eruptions as a Probe of Accretion Disk in Tidal Disruption Events
• The Secular Periodic Evolution of X-ray Quasi-periodic Eruptions Driven by Star-disc Collisions
• Secular evolution of quasi-periodic eruptions
• Ultraviolet Spectral Evidence for Ansky as a Slowly Evolving Featureless Tidal Disruption Event with Quasiperiodic Eruptions

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