Search Results for author: Avishay Gal-Yam

Found 8 papers, 1 papers with code

The peculiar Ca-rich SN 2019ehk: Evidence for a Type IIb core-collapse supernova from a low mass stripped progenitor

no code implementations4 Sep 2020 Kishalay De, U. Christoffer Fremling, Avishay Gal-Yam, Ofer Yaron, Mansi M. Kasliwal, S. R. Kulkarni

The presence of H, together with the large [Ca II]/[O I] ratio ($\approx10-15$) in the nebular phase is consistent with SN 2019ehk being a Type IIb core-collapse supernova from a stripped low mass ($\approx9-9. 5$ M$_\odot$) progenitor, similar to the Ca-rich SN IIb iPTF 15eqv.

High Energy Astrophysical Phenomena Solar and Stellar Astrophysics

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