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The aim is to analyze the spectropolarimetric changes in SN 2023ixf, focusing on its interaction with circumstellar material.

Spectropolarimetric Evolution of SN 2023ixf: An Asymmetric Explosion in a Confined Aspherical Circumstellar Medium

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The aim is to analyze the spectropolarimetric changes in SN 2023ixf, focusing on its interaction with circumstellar material.
Conducted spectropolarimetric observations from 1 to 120 days post-explosion using the Kast double spectrograph.
Utilized archival and newly computed two-dimensional polarized radiative transfer models to interpret data.
Monitored the polarization levels and angles during different phases of the supernova's evolution.
Initial polarization was high (≈1%), decreasing to around 0.4% due to interaction with circumstellar material.
Continued low polarization (≈0.2%) until a rise to ≈0.6% during the transition to the nebular phase.
Findings indicate an aspherical circumstellar medium with significant density contrasts and asymmetries.

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Polarimetry reveals the dynamic evolution of SN 2023ixf's explosion in a unique circumstellar medium, suggesting significant asymmetries.

Vasylyev et al. (2026) studied this question.

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