Natal Kicks from the Galactic Center and Implications on Their Environment and for the Nancy Grace Roman Space Telescope

C Jurado, S Naoz, CY Lam… - The Astrophysical …, 2024 - iopscience.iop.org
Most galaxies, including the Milky Way, harbor a central supermassive black hole (SMBH)
weighing millions to billions of solar masses. Surrounding these SMBHs are dense regions …

Tidal Disruption of Planetesimals from an Eccentric Debris Disk Following a White Dwarf Natal Kick

T Akiba, S McIntyre, AM Madigan - The Astrophysical Journal …, 2024 - iopscience.iop.org
The surfaces of many white dwarfs are polluted by metals, implying a recent accretion event.
The tidal disruption of planetesimals is a viable source of white dwarf pollution and offers a …

Counter-rotation and slow precession in aligned eccentric nuclear discs due to gravitational wave recoil kicks

JC Bright, T Akiba, AM Madigan - Monthly Notices of the Royal …, 2024 - academic.oup.com
The M31 nucleus contains a supermassive black hole embedded in a massive stellar disc of
apsidally aligned eccentric orbits. It has recently been shown that this disc is slowly …

Anisotropic Star Clusters around Recoiling Supermassive Black Holes

T Akiba, AM Madigan - The Astrophysical Journal, 2023 - iopscience.iop.org
Gravitational-wave recoil kicks from merging supermassive black hole binaries can have a
profound effect on the surrounding stellar population. In this work, we study the dynamic and …

Identification of Intermediate-mass Black Hole Candidates among a Sample of Sd Galaxies

BL Davis, AW Graham, R Soria, Z Jin… - The Astrophysical …, 2024 - iopscience.iop.org
We analyzed images of every northern hemisphere Sd galaxy listed in the Third Reference
Catalogue of Bright Galaxies with a relatively face-on inclination (θ≤ 30). Specifically, we …

On the Formation of S-stars from a Recent Massive Black Hole Merger in the Galactic Center

T Akiba, S Naoz, AM Madigan - arXiv preprint arXiv:2410.19881, 2024 - arxiv.org
The Galactic Center hosts a rotating disk of young stars between 0.05 and 0.5 pc of Sgr A*.
The``S-stars''at a distance $< 0.04$ pc, however, are on eccentric orbits with nearly …

Natal Kicks from the Galactic Center and Implications on their Environment and the Roman Space Telescope

C Jurado, S Naoz, CY Lam, BM Hoang - arXiv preprint arXiv:2310.17707, 2023 - arxiv.org
Most galaxies, including the Milky Way, harbor a central supermassive black hole (SMBH)
weighing millions to billions of solar masses. Surrounding these SMBHs are dense regions …

Resonant Capture of Stars by Black Hole Binaries: Extreme Eccentricity Excitation

O Reved, L Friedland, NC Stone - arXiv preprint arXiv:2410.12911, 2024 - arxiv.org
Massive black hole (MBH) binaries in galactic nuclei are one of the leading sources of $\sim
$ mHz gravitational waves (GWs) for future missions such as $\rm {\textit {LISA}} $. However …