Constraining leptonic and hadronic gamma-ray emission from HESS J1825-137 and its environment

arXiv:2607.00240 · astro-ph.HE · Submitted 2026-06-30 · Read on arXiv

Rubens Costa, R. C. Anjos

astro-ph.HE

Submitted: 2026-06-30

Comments: Accepted for publication in Monthly Notices of the Royal Astronomical Society (MNRAS). 12 pages, 5 figures, 4 tables

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

Terminology

• Cherenkov Telescope Array — 8× in this paper
• Cherenkov Telescope Array Observatory — 3× in this paper
• Markov Chain Monte Carlo — 3× in this paper
• Very Energetic Radiation Imaging Telescope Array System — 3× in this paper
• Core — 2× in this paper · explained in 2 episodes
• High-Altitude Water Cherenkov Observatory — 2× in this paper
• Robustness — 2× in this paper · explained in 5 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Jansky Very Large Array — 1× in this paper
• Large High Altitude Air Shower Observatory — 1× in this paper

Sources

• HESS J1826$-$130: A Very Hard $\gamma$-Ray Spectrum Source in the Galactic Plane
• Fermi Large Area Telescope Fourth Source Catalog Data Release 4 (4FGL-DR4)
• The distribution of ultra-high-energy cosmic rays along the supergalactic plane measured at the Pierre Auger Observatory
• The traveling-PWN modeling attempt on the enigmatic LHAASO dumbbell-like structure

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