Breaking things is fun! In the previous paper of this series, we looked at accretion disks around massive black-hole binaries and found things were going awry. We kept on finding configurations that our implementation could not handle… And now we … Continue reading →
Supermassive black hole inspiral and spin evolution are deeply connected. In the early stages when black holes are brought together by star scattering and accretion, spin orientations can change because of interactions with the environment. Later on, when gravitational waves … Continue reading →
New paper today! We’ve been working on this for a very long time but three weeks of lockdown forced us to finish it. It’s about distorted (aka warped) accretion discs surrounding black holes. If the black hole is spinning and … Continue reading →
Spoiler alert: this paper is a bit sad. Stellar-mass black-hole binaries are now detected by LIGO on a weekly basis. It would be really cool if LISA (a future space mission targeting low-frequencies gravitational waves) could see them as well. … Continue reading →
Supermassive black holes in binaries and their accretion discs… Spins align on some timescale, but migration also takes place. Do gas discs have enough time to align the spins? Well, the secret is the mass ratio: light secondaries might prevent … Continue reading →
Black-hole kicks are powerful. I mean, really powerful. They can even eject supermassive black holes from the heavier galaxies in our Universe. And then these galaxies are left “empty”… Davide Gerosa, Alberto Sesana.Monthly Notices of the Royal Astronomical Society 446 (2015) … Continue reading →
My very first paper was on alignment between supermassive black holes and their accretion disks. Maybe it takes a bit longer… Giuseppe Lodato, Davide Gerosa. Monthly Notices of the Royal Astronomical Society Letters 429 (2013) L30-L34.arXiv:1211.0284 [astro-ph.CO].