Image Details
Caption: Figure 1.
Top panel: mass-ejection rate for the considered BNS models. Bottom panel: 56Ni mass fraction that the fluid elements will achieve after 10 s as a function of their ejection time. The x-axis shows the time of ejection defined as the time at which the fluid elements cross the sphere at ∼450 km.
© 2026. The Author(s). Published by the American Astronomical Society.