Image Details
Caption: Figure 13.
Evolution of the Hα (left) and Hβ (right) line profiles during the first hours and days of the RS Oph explosion. Vertical gray lines denote the terminal velocity of the broad absorption component, while the dotted lines denote emission bumps located around ±2500 km s−1.
© 2026. The Author(s). Published by the American Astronomical Society.