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Wake up babe, new preprint just dropped Length dependence of waveform mismatch: a caveat on waveform accuracy Keefe Mitman, Stein, et al. arxiv.org/abs/2502.14025

Happy #BlackHoleWeek! To celebrate, we’re releasing the highest-resolution ray-traced still from one of our simulations to date. This tweet has a low res preview. To zoom into the full 43,200 × 21,600 pixel rendering, head to black-holes.org/2025/05/07/Bbh…

A recent paper led by SXS members Yoonsoo Kim and Elias Most (both at Caltech) is in AAS Nova today! This work explores the formation of strongly magnetized "monster" shocks and a transient "black hole pulsar" state from mergers of a magnetized neutron star and a black hole.

When simulating orbiting black holes, we move our grid with the holes! One of the key lessons of general relativity is coordinates are meaningless. We exploit this to choose comoving coordinates where the metric changes as little as possible. youtube.com/watch?v=j4WGTd…

In particular, as highlighted through Fig. 9 of the paper, while our BBH simulations are generally accurate and long enough (to span the full frequency band) for the LIGO/Virgo/KAGRA detectors, this is not necessarily the case for future detectors. 2/n

Check out this article about star quakes and monster shocks — research done by SXS collaboration members Yoonsoo Kim and Elias Most, both at Caltech