JWST data reconstructs the inner ejecta of SNR 0540-69.3 as two similar-sized fragmented lobes, implying a ~300 km/s pulsar kick under symmetry assumption and confirming low-velocity hydrogen mixing in a Type II explosion.
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2 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.HE 2years
2026 2verdicts
CONDITIONAL 2representative citing papers
Late-time IR spectroscopy of SN 2024ggi shows varied line morphologies implying chemical inhomogeneity and aspherical ionization, with modeling favoring 12-15 solar mass progenitors but only high-mass energetic 3D simulations matching the observed Ni mixing extent.
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Exploring the central region of SNR 0540-69.3 with JWST I: 3D morphology
JWST data reconstructs the inner ejecta of SNR 0540-69.3 as two similar-sized fragmented lobes, implying a ~300 km/s pulsar kick under symmetry assumption and confirming low-velocity hydrogen mixing in a Type II explosion.
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Mapping 3-D Explosive Nucleosynthesis with Type II Supernova Infrared Emission Lines
Late-time IR spectroscopy of SN 2024ggi shows varied line morphologies implying chemical inhomogeneity and aspherical ionization, with modeling favoring 12-15 solar mass progenitors but only high-mass energetic 3D simulations matching the observed Ni mixing extent.