Image Details
Caption: Figure 10.
Assuming that the observed LUVOIR is purely due to radiative processing of X-rays (B. D. Metzger 2022a) occurring within (an arbitrary) 50% of the solid angle (parameterized by ϕ; in the other half, we assume that all X-rays are reprocessed), we calculate the associated τX for AT 2024wpp (circles) and AT 2018cow (stars) over time and compare to the time of emergence of spectral features (vertical dashed lines; same as Figure 9) for each object. The gray dashed line represents the canonical scaling (τX ∝ t−2) for radiation escaping a medium expanding at constant velocity. We find that AT 2024wpp maintains a higher τX for longer compared to AT 2018cow. This is consistent with the features of AT 2024wpp emerging at a later epoch and with the larger inferred Mej (Section 3).
Other Images in This Article
Show More
Copyright and Terms & Conditions
© 2026. The Author(s). Published by the American Astronomical Society.
