UV-to-IR spectra of SN 2023tsz are best matched by interaction models of a ~4 solar-mass stripped helium star with an added X-ray field, supporting a lower-mass binary-stripped progenitor.
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Ultraviolet to Infrared Spectroscopy of the Type Ibn SN 2023tsz Suggests a Lower-mass Progenitor
UV-to-IR spectra of SN 2023tsz are best matched by interaction models of a ~4 solar-mass stripped helium star with an added X-ray field, supporting a lower-mass binary-stripped progenitor.