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Are Odd Radio Circles phoenixes of powerful radio galaxies?
(2024-03-05)
Odd Radio Circles (ORCs) are a class of low surface brightness, circular objects approximately one arcminute in diameter. ORCs were recently discovered in the Australian Square Kilometre Array Pathfinder (ASKAP) data, and ...
Galactic 26Al traces metal loss through hot chimneys
(2021-02-01)
Radioactive 26Al is an excellent tracer for metal ejection in the Milky Way, and can provide a direct constraint on the modelling of supernova feedback in galaxy evolution. Gamma-ray observations of the 26Al decay line ...
Galactic Simulations of r-process Elemental Abundances
(2019-03-01)
We present the distributions of elemental abundance ratios using chemodynamical simulations that include four different neutron capture processes: magnetorotational supernovae, neutron star mergers, neutrino-driven winds, ...