An environmental analysis of the Type Ib SN 2019yvr and the possible presence of an inflated binary companion

Ning-Chen Sun, Justyn R. Maund, Paul A. Crowther +5

SN 2019yvr is the second Type Ib supernova (SN) with a possible direct detection of its progenitor (system); however, the spectral energy distribution (SED) of the pre-explosion so…