Image Details
Caption: Figure 10.
Velocity evolution of SNe Ic-BL (gray) and GRB-SN Ic-BL black) from G. Finneran et al. (2025a) to SN 2026gzf (red). The left panel shows the evolution of Fe IIλ5169, and the right panel shows Si IIλ6355. Velocities for SN 2008D are reproduced from P. A. Mazzali et al. (2008) and D. Malesani et al. (2009).
© 2026. The Author(s). Published by the American Astronomical Society.