Bolometric light curves and explosion parameters of 38 stripped-envelope core-collapse supernovae
J. D. Lyman,J. D. Lyman,D. Bersier,Phil A. James,Paolo A. Mazzali,John J. Eldridge,Morgan Fraser,Elena Pian,Elena Pian +8 more
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TLDR
In this article, the bolometric light curve of 38 stripped-envelope core-collapse supernovae (SE SNe) is recovered and template light curves provided.Abstract:
Literature data are collated for 38 stripped-envelope core-collapse supernovae (SE SNe; i.e. SNe IIb, Ib, Ic and Ic-BL) that have good light curve coverage in more than one optical band. Using bolometric corrections derived in previous work, the bolometric light curve of each SN is recovered and template bolometric light curves provided. Peak light distributions and decay rates are investigated; SNe subtypes are not cleanly distinguished in this parameter space, although some grouping of types does occur and there is a suggestion of a Phillips-like relation for most SNe Ic-BL. The bolometric light curves are modelled with a simple analytical prescription and compared to results from more detailed modelling. Distributions of the explosion parameters shows the extreme nature of SNe Ic-BL in terms of their 56Ni mass and the kinetic energy, however ejected masses are similar to other subtypes. SNe Ib and Ic have very similar distributions of explosion parameters, indicating a similarity in progenitors. SNe~IIb are the most homogeneous subtype and have the lowest average values for 56Ni mass, ejected mass, and kinetic energy. Ejecta masses for each subtype and SE SNe as a whole are inconsistent with those expected from very massive stars. The majority of the ejecta mass distribution is well described by more moderately massive progenitors in binaries, indicating these are the dominant progenitor channel for SE SNe.read more
Citations
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Stripped-envelope core-collapse supernova $^{56}$Ni masses: Persistently larger values than supernovae type II
Nicolás Meza,J. P. Anderson +1 more
TL;DR: In this paper, the authors re-estimate the nucleosynthetic yields for a well-observed and well-defined sample of SE-SNe in a uniform manner.
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OGLE-2014-SN-131: A long-rising Type Ibn supernova from a massive progenitor
Emir Karamehmetoglu,Francesco Taddia,Jesper Sollerman,Łukasz Wyrzykowski,S. Schmidl,Morgan Fraser,Christoffer Fremling,Jochen Greiner,Jochen Greiner,Cosimo Inserra,Z. Kostrzewa-Rutkowska,Z. Kostrzewa-Rutkowska,Z. Kostrzewa-Rutkowska,Kate Maguire,Stephen J. Smartt,Mark Sullivan,David Young +16 more
TL;DR: The OGLE-2014-SN-131 as mentioned in this paper showed an unprecedented long rise-time and amuch broader light curve compared to other known SNe Ibn and Ibc, and its peak luminosity and post-peak colors were also similar to those of other known Ibc.
Journal ArticleDOI
Core-collapse supernova progenitor constraints using the spatial distributions of massive stars in local galaxies
Tuomas Kangas,Laura Portinari,Seppo Mattila,Seppo Mattila,Morgan Fraser,Erkki Kankare,Robert G. Izzard,Phil A. James,Carlos González-Fernández,Justyn R. Maund,A. Thompson +10 more
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The Carnegie Supernova Project I: photometry data release of low-redshift stripped-envelope supernovae
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TL;DR: The first phase of the Carnegie Supernova Project (CSP-I) was a dedicated supernova follow-up program based at the Las Campanas Observatory that collected science data of young, low-redshift supernovae between 2004 and 2009 as discussed by the authors.
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SN2020bvc: a Broad-lined Type Ic Supernova with a Double-peaked Optical Light Curve and a Luminous X-ray and Radio Counterpart
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