Investigating the CREDIT History of Supernova Remnants as Cosmic-Ray Sources by Anton Stall, Chun Khai Loo, Philipp Mertsch

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Nonthermal Signatures of Radiative Supernova Remnants. II. The Impact of Cosmic Rays and Magnetic Fields by Rebecca Diesing, Siddhartha Gupta

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Identifying a Point-Symmetrical Morphology in the Core-Collapse Supernova Remnant W44 by Noam Soker

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Exploring the Circumstellar Environment of Tycho’s Supernova Remnant. II. Impact on the Broadband Nonthermal Emission by Ryosuke Kobashi, Shiu-Hang Lee, Takaaki Tanaka, Keiichi Maeda

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ASKAP Observations of the Radio Shell in the Composite Supernova Remnant G310.6-1.6 by Wenhui Jing, Jennifer L. West, Xiaohui Sun, Wasim Raja, Xianghua Li, Lingxiao Dang, Ping Zhou, Miroslav D. Filipović, Andrew M. Hopkins, Roland Kothes, Sanja Lazarević, Denis Leahy, Emil Lenc, Yik Ki Ma, Cameron L. Van Eck

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Modeling the Saddle-like GeV–TeV Spectrum of HESS J1809–193: Gamma Rays Arising from Reverse-shocked Pulsar Wind Nebula? by Jiaxu Sun, Yang Chen, Yiwei Bao, Xiao Zhang, Xin Zhou

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The Unique Helium Nova V445 Puppis Ejected ≫0.001 M⊙ in the Year 2000 and Will Not Become a Type Ia Supernova by Bradley E. Schaefer

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Revealing an unexpectedly low electron injection threshold via reinforced shock acceleration by Savvas Raptis, Ahmad Lalti, Martin Lindberg, Drew L. Turner, Damiano Caprioli, James L. Burch

“…Abstract Collisionless shock waves, found in supernova remnants, interstellar, stellar, and planetary environments, and laboratories, are one of nature’s most powerful particle accelerators. …”
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Diffuse Ionized Gas in the Anticenter of the Milky Way by Shiming Wen, Wei Zhang, Lin Ma, Yunning Zhao, Man I. Lam, Chaojian Wu, Juanjuan Ren, Jianjun Chen, Yuzhong Wu, Guozhen Hu, Yonghui Hou, Yongheng Zhao, Hong Wu

“…Using data from the Large Area Multi-Object fiber Spectroscopic Telescope Medium-Resolution Spectroscopic Survey of Nebulae, we create a sample of 17,821 diffuse ionized gas spectra in the anticenter region of the Milky Way by excluding fibers in the directions of H ii regions and supernova remnants. We then analyze the radial and vertical distributions of three line ratios ([N ii ]/H α , [S ii ]/H α , and [S ii ]/[N ii ]), as well as the oxygen abundance. …”
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Pulsar Scattering as a Probe for Structures in the Interstellar Medium by Qiuyi He, Xun Shi, Guangxing Li

“…By comparing this smooth distribution with observational data, we identify two ISM structures responsible for pulsar scattering, one is associated with the Vela supernova remnant region within the Gum Nebula, while the other is a newly discovered structure—a distant superbubble, G38, located at a distance of 2.3 kpc with a size of ~50 pc. …”
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