Second-epoch JWST/MIRI-MRS mid-IR spectra of SN 1987A show little overall dust evolution but inner equatorial ring fading, rapid ejecta line changes, some ER line fading, first mid-IR H2 from ejecta, and evidence that dense Fe-rich ejecta has reached the reverse shock.
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Jittering jets in core-collapse supernovae enhance dust formation and imprint jet-shaped morphologies on the dust in remnants, supporting the jittering jets explosion mechanism.
citing papers explorer
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The evolution of the mid-infrared spectrum of SN 1987A observed with the JWST/MIRI-MRS
Second-epoch JWST/MIRI-MRS mid-IR spectra of SN 1987A show little overall dust evolution but inner equatorial ring fading, rapid ejecta line changes, some ER line fading, first mid-IR H2 from ejecta, and evidence that dense Fe-rich ejecta has reached the reverse shock.
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Jittering jets promote dust formation in core-collapse supernovae
Jittering jets in core-collapse supernovae enhance dust formation and imprint jet-shaped morphologies on the dust in remnants, supporting the jittering jets explosion mechanism.