Discovery of An Apparent Red, High-Velocity Type Ia Supernova at z = 2.9 with JWST

J. D. R. Pierel, M. Engesser, D. A. Coulter +27

We present the JWST discovery of SN 2023adsy, a transient object located in a host galaxy JADES-GS$+53.13485$$-$$27.82088$ with a host spectroscopic redshift of $2.903\pm 0.007$. Th…