A Nucleosynthetic Origin for the Southwestern Fe-rich Structure in Kepler’s Supernova Remnant

T.S. was supported by the Japan Society for the Promotion of Science (JSPS) KAKENHI Grant Number JP18H05865, JP19K14739, and the Special Postdoctoral Researchers Program and FY 2019 Incentive Research Projects in RIKEN. J.P.H acknowledges support for X-ray studies of SNRs from NASA grant NNX15AK71G to Rutgers University. E.B. acknowledges support from the MINECO-FEDER grants AYA2015-63588-P and PGC2018-095317-B-C21. We also thank the anonymous referee for comments that helped us to improve the manuscript.