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arxiv 2107.13439 v1 pith:H5YAPOCL submitted 2021-07-28 astro-ph.HE

A low-energy explosion yields the underluminous Type IIP SN 2020cxd

S. Yang , J. Sollerman , N. L. Strotjohann , S. Schulze , R. Lunnan , E. Kool , C. Fremling , D. Perley
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E. Ofek T. Schweyer E.C. Bellm M.M. Kasliwal F.J. Masci M. Rigault Y. Yang
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We present observations and analysis of SN 2020cxd, a Low luminous (LL), long-lived Type IIP SN. This object was a clear outlier in the magnitude-limited SN sample recently presented by the ZTF Bright Transient Survey. We demonstrate that SN 2020cxd is an additional member of the group of LL SNe, and discuss the rarity of LL SNe in the context of the ZTF survey, and how further studies of these faintest members of the CC SN family might help understand the underlying initial mass function for stars that explode.

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