A Planetary Nebula from a 5.7 $M_{\odot }$ Progenitor in a 90 Myr M31 Star Cluster

Pinjian Chen, Bingqiu Chen, Xiaodian Chen +2

Planetary nebulae (PNe) trace the late evolution of low-to-intermediate-mass stars, yet the masses of their progenitors are rarely measured directly. Here we present a PN physicall…