The observation of a direct wave after the merger of two black holes reveals signatures associated with the remnant black-hole horizon, establishing an observational channel to directly measure frame-dragging effects in black-hole ergospheres and probe the ho…
Oshita, N., Ma, S., Chen, Y. & Yang, H. Probing direct waves in black hole ringdowns. Preprint at https://arxiv.org/abs/2509.09165 (2025).
Abac, A. G. et al. GW250114: testing Hawki… [+14319 chars]
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