J1248+4826: A diffuse radio source consistent with re-energized fossil plasma in a galaxy group

arXiv:2605.05174 · astro-ph.GA, astro-ph.CO · Submitted 2026-05-06 · Read on arXiv

astro-ph.GA, astro-ph.CO

Submitted: 2026-05-06

Updated: 2026-09-14

Comments: A&A in press (18 pages)

DOI: 10.1051/0004-6361/202660704

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

Terminology

• AGN — 17× in this paper · explained in 1 episode
• Trace — 4× in this paper · explained in 2 episodes
• Association of Universities for Research in Astronomy — 2× in this paper
• Core — 2× in this paper · explained in 2 episodes
• Velocity Dispersion — 2× in this paper · explained in 2 episodes
• Age Gradients — 1× in this paper · explained in 1 episode
• Cooperation — 1× in this paper · explained in 2 episodes
• Dust Attenuation — 1× in this paper · explained in 2 episodes
• Giant Metrewave Radio Telescope — 1× in this paper
• Initial Mass Function (IMF) — 1× in this paper · explained in 2 episodes
• International LOFAR Telescope — 1× in this paper
• Jansky Very Large Array — 1× in this paper
• NOIRLab and the Lawrence Berkeley National Laboratory — 1× in this paper
• Star Formation Rate (SFR) — 1× in this paper · explained in 5 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• A Shocked Wind Interpretation of an Odd Radio Circle
• Single- and double-headed odd radio circles in the LOFAR surveys
• Data Release 1 of the Dark Energy Spectroscopic Instrument
• Two intersecting radio shells: relics of galaxy merger shocks ?
• XGAP with uGMRT I: Old AGN plasma in merging galaxy groups
• The LOFAR Two-metre Sky Survey: VII. Third Data Release
• Here Be SDRAGNs - Spiral Galaxies Hosting Large Double Radio Sources
• Odd Radio Circles Modeled by Shock-Bubble Interactions

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