Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 475, Issue 1, Pages L11-L14Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnrasl/slx200
Keywords
stars: massive; supernovae: general; supernovae: individual: OGLE-2014-SN-073
Categories
Funding
- Japan Society for the Promotion of Science [16H07413, 17H02864]
- Grants-in-Aid for Scientific Research [17H02864, 16H07413] Funding Source: KAKEN
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We investigate the possibility that the energetic Type II supernova OGLE-2014-SN-073 is powered by a fallback accretion following the failed explosion of a massive star. Taking massive hydrogen-rich supernova progenitor models, we estimate the fallback accretion rate and calculate the light-curve evolution of supernovae powered by the fallback accretion. We find that such fallback accretion powered models can reproduce the overall observational properties of OGLE-2014-SN-073. It may imply that some failed explosions could be observed as energetic supernovae like OGLE-2014-SN-073 instead of faint supernovae as previously proposed.
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