SN 2019vxm is a luminous, long-lived Type IIn supernova showing early flash-ionization features, a power-law bolometric light curve, and mid-IR dust formation, with a progenitor mass-loss rate lower limit of at least 0.01 solar masses per year.
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Multi-wavelength observations of SN 2019vxm trace three phases of shock interaction in a Type IIn supernova, estimating CSM mass of 3-8 solar masses and ejecta mass of ~3.88 solar masses with late-time dust signatures.
Long-term multi-band photometry of SN 2019vxm shows initial thick CSM interaction, photosphere decoupling at 80-100 days, long-lasting dust emission, and a possible outer CSM rebrightening, implying a massive progenitor with extreme pre-explosion mass loss.
citing papers explorer
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SN 2019vxm: A luminous and long-lived Type IIn supernova with early flash-ionisation features
SN 2019vxm is a luminous, long-lived Type IIn supernova showing early flash-ionization features, a power-law bolometric light curve, and mid-IR dust formation, with a progenitor mass-loss rate lower limit of at least 0.01 solar masses per year.
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Two years of shock interaction tracing three phases of evolution: the explosion of a Type IIn supernova, SN 2019vxm
Multi-wavelength observations of SN 2019vxm trace three phases of shock interaction in a Type IIn supernova, estimating CSM mass of 3-8 solar masses and ejecta mass of ~3.88 solar masses with late-time dust signatures.
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Long-term optical and near-infrared photometric evolution of SN 2019vxm, an interacting Type IIn supernova
Long-term multi-band photometry of SN 2019vxm shows initial thick CSM interaction, photosphere decoupling at 80-100 days, long-lasting dust emission, and a possible outer CSM rebrightening, implying a massive progenitor with extreme pre-explosion mass loss.