Broad-band X-ray light curve modeling of Type Ibn/Icn supernovae shows hard X-rays trace circumstellar density while soft X-rays trace composition, with a predicted early bright phase from photoionization.
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5 Pith papers cite this work, alongside 16 external citations. Polarity classification is still indexing.
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SN 2023xgo is a transitional Type Icn/Ibn supernova whose early carbon lines fade into helium lines, indicating a two-component circumstellar medium.
Uniform analysis of 25 events shows SNe Ibn, SNe Icn, and FBOTs overlap in peak luminosity, rise/decline times, colors, and fitted CSM/ejecta parameters, supporting a shared dense-CSM interaction framework for most but not the most extreme FBOTs.
Numerical simulations find that off-center carbon burning in accreting CO white dwarfs produces substantial Si and S abundances that depend on initial carbon content, supporting the double WD merger scenario for SN 2021yfj-like events.
SN 2024abvb is a newly classified luminous Type Icn supernova whose fitted ejecta mass (~0.12 Msun) implies an extremely stripped progenitor.
citing papers explorer
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Insights into the Properties of Type Ibn/Icn Supernovae and Their Progenitor Channels through X-ray Emission
Broad-band X-ray light curve modeling of Type Ibn/Icn supernovae shows hard X-rays trace circumstellar density while soft X-rays trace composition, with a predicted early bright phase from photoionization.
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SN 2023xgo: Helium-rich Type Icn or Carbon-Flash Type Ibn supernova?
SN 2023xgo is a transitional Type Icn/Ibn supernova whose early carbon lines fade into helium lines, indicating a two-component circumstellar medium.
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Mapping the Dense Circumstellar Environments of SNe Ibn, SNe Icn, and Fast Blue Optical Transients
Uniform analysis of 25 events shows SNe Ibn, SNe Icn, and FBOTs overlap in peak luminosity, rise/decline times, colors, and fitted CSM/ejecta parameters, supporting a shared dense-CSM interaction framework for most but not the most extreme FBOTs.
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SN 2024abvb: A Type Icn Supernova in the Outskirts of its Host Galaxy
SN 2024abvb is a newly classified luminous Type Icn supernova whose fitted ejecta mass (~0.12 Msun) implies an extremely stripped progenitor.