Proton Acceleration with Relativistic Electromagnetic Shock. [PDF]
Adv Sci (Weinh)New Ion Acceleration Mechanism! A novel cosmic‐ray proton acceleration mechanism is proposed, where relativistic electromagnetic shocks accelerate protons transversely. Hamiltonian analysis yields a scaling law linking the proton energy to the minimum longitudinal thickness of the shock.
Xiao T +5 more
europepmc +2 more sources
X-ray probes of the Magellanic Clouds: The supernova remnants and hot phase of the ISM
, 2019 P. Maggi
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On the plerionic rectangular supernova remnants of static progenitors [PDF]
Monthly notices of the Royal Astronomical Society, 2023 Pulsar wind nebulae are a possible final stage of the circumstellar evolution of massive stars, where a fast-rotating, magnetised neutron star produces a powerful wind that interacts with the supernova ejecta.
Meyer D. M.-A. +4 more
semanticscholar +1 more source
Mixing of materials in magnetised core-collapse supernova remnants [PDF]
Monthly notices of the Royal Astronomical Society, 2023 Core-collapse supernova remnants are structures of the interstellar medium (ISM) left behind the explosive death of most massive stars ($\lesssim 40\, \rm {\rm M}_{\odot }$).
Meyer D. M.-A. +14 more
semanticscholar +1 more source
Supernova Remnants in the Irregular Galaxy NGC 4449 [PDF]
Astrophysical Journal, 2023 The nearby irregular galaxy NGC 4449 has a star formation rate of ∼0.4M ☉ yr−1 and should host of order 70 supernova remnants (SNRs) younger than 20,000 yr, a typical age for SNRs expanding into an interstellar medium (ISM) with a density of 1 cm−3 to ...
P. Winkler, K. Long, W. Blair
semanticscholar +1 more source
Observational constraints on the maximum energies of accelerated particles in supernova remnants [PDF]
Proceedings of 7th Heidelberg International Symposium on High-Energy Gamma-Ray Astronomy — PoS(Gamma2022), 2023 Supernova remnants (SNRs) are thought to be the most plausible sources of Galactic cosmic rays. One of the principal questions is whether they are accelerating particles up to the maximum energy of Galactic cosmic rays ($\sim$PeV).
Hiromasa Suzuki +3 more
semanticscholar +1 more source
Study of the effect of turbulent interstellar medium on the morphology of young supernova remnants [PDF]
Astronomy & Astrophysics, 2022 Context. Supernova remnants (SNR) are one of the main sources of galactic cosmic rays acceleration. This acceleration, believed to happen at the blast wave front, leads to an energy loss at the shock front.
G. Rigon +4 more
semanticscholar +1 more source
Inferring properties of the ISM from supernova remnant size distributions [PDF]
Monthly notices of the Royal Astronomical Society, 2018 We model the size distribution of supernova remnants to infer the surrounding ISM density. Using simple, yet standard SNR evolution models, we find that the distribution of ambient densities is remarkably narrow; either the standard assumptions about SNR
Benjamin D. Elwood +2 more
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Rectangular core-collapse supernova remnants: Application to Puppis A [PDF]
Monthly notices of the Royal Astronomical Society, 2022 Core-collapse supernova remnants are the gaseous nebulae of galactic interstellar media (ISM) formed after the explosive death of massive stars. Their morphology and emission properties depend both on the surrounding circumstellar structure shaped by ...
D. Meyer +58 more
semanticscholar +1 more source
On the Formation of Over-ionized Plasma in Evolved Supernova Remnants [PDF]
Astrophysical Journal, 2022 One of the outstanding mysteries surrounding the rich diversity found in supernova remnants (SNRs) is the recent discovery of over-ionized or recombining plasma from a number of dynamically evolved objects.
M. Katsuragawa +5 more
semanticscholar +1 more source