Using spectral modeling to break light-curve degeneracies of type II supernovae interacting with circumstellar material
نویسندگان
چکیده
منابع مشابه
Spectral Modeling of Type II Supernovae
Using models of the SN IIP 2005cs, we show that detailed spectral analysis can be used to determine reddening and abundances.
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A longstanding problem in the study of supernovae (SNe) has been the relationship between the Type IIP and Type IIL subclasses. Whether they come from distinct progenitors or they are from similar stars with some property that smoothly transitions from one class to another has been the subject of much debate. Here we show using one-dimensional radiation-hydrodynamic SN models that the multi-ban...
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Supernovae (SNe) embedded in dense circumstellar material (CSM) may show prominent emission lines in their early-time spectra (≤ 10 days after the explosion), owing to recombination of the CSM ionized by the shock-breakout flash. From such spectra (“flash spectroscopy”), we can measure various physical properties of the CSM, as well as the mass-loss rate of the progenitor during the year prior ...
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ژورنال
عنوان ژورنال: Astronomy and Astrophysics
سال: 2023
ISSN: ['0004-6361', '1432-0746']
DOI: https://doi.org/10.1051/0004-6361/202346754