Sgr A* as a Galactic PeVatron: Multimessenger Signatures of the Magnetic Penrose Process

arXiv:2609.04051 · astro-ph.HE, astro-ph.GA, gr-qc · Submitted 2026-09-03 · Read on arXiv

astro-ph.HE, astro-ph.GA, gr-qc

Submitted: 2026-09-03

Updated: 2026-09-03

Terminology

• Benchmark — 13× in this paper · explained in 2 episodes
• MAGNETIC PENROSE PROCESS — 6× in this paper
• Accretion Flows — 3× in this paper · explained in 1 episode
• Central Molecular Zone — 3× in this paper
• AGN — 2× in this paper · explained in 1 episode
• Superradiance — 2× in this paper · explained in 3 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Alignment — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Boltzmann Equation — 1× in this paper · explained in 2 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Large High Altitude Air Shower Observatory — 1× in this paper
• alpha — 1× in this paper · explained in 1 episode

Sources

• Kerr black hole energy extraction, irreducible mass feedback, and the effect of captured particles charge
• Magnetic Penrose Process and Blanford-Zanejk mechanism: A clarification
• Acceleration of petaelectronvolt protons in the Galactic Centre
• The HAWC Gamma-Ray Observatory: Design, Calibration, and Operation
• Observation of the Galactic Center PeVatron Beyond 100 TeV with HAWC
• Advection-Dominated Accretion Model of Sagittarius A*: Evidence for a Black Hole at the Galactic Center
• Lecture Notes on General Relativity
• Electric charge of black holes: Is it really always negligible?
• Discovery of a star sensitive to the spin of Sgr A*
• The jet model for Sgr A*: radio and X-ray spectrum
• The hunt of PeVatrons as the origin of the most energetic photons observed in our Galaxy
• Microquasars as the major contributors to Galactic cosmic rays around the "knee"
• Science with the Cherenkov Telescope Array
• The Large High Altitude Air Shower Observatory (LHAASO) Science Book (2021 Edition)
• 3-D CMZ I: Central Molecular Zone Overview
• G359.95-0.04: Pulsar Candidate Near Sgr A*
• Antiproton Bounds on Dark Matter Annihilation from a Combined Analysis Using the DRAGON2 Code
• Cosmic ray propagation in galactic turbulence
• Observations of the Crab Nebula with H.E.S.S. Phase II
• Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO

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