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Background
PhD student at the Niels Bohr Institute in Copenhagen under the supervision of Profs. Martin Pessah and Daniel D'Orazio.
Expected graduation: November 2025
Joining the Institute of Science and Technology Austria (ISTA)
Research
I am interested in the dynamics of compact objects and their interactions with astrophysical environments. This includes:
"Gaseous Dynamical Friction on Hyperbolic Scatterings" - David O'Neill, Daniel D'Orazio, Martin Pessah
"Dissecting environmental effects with eccentric gravitational wave sources" - Lorenz Zwick, Kai Hendriks, David O'Neill, Janos Takatsy, Philip Kirkeberg, Christopher Tiede, Jakob Stegmann, Johan Samsing, Daniel J. D’Orazio
"Gaseous Dynamical Friction on Elliptical Keplerian Orbits" - David O'Neill, Daniel D'Orazio, Johan Samsing, Martin Pessah, ApJ 974 216 (2024)
"Gravitational Wave Decoupling in Retrograde Circumbinary Disks" - David O'Neill, Christopher Tiede, Daniel D'Orazio, Zoltán Haiman, Andrew MacFadyen
"Gravitational Wave Memory Imprints on the CMB from Populations of Massive Black Hole Mergers" - Lorenz Zwick, David O'Neill, Kai Hendriks, Philip Kirkeberg, Miquel Miravet-Tenés (2024)
" Bridging the Micro-Hz Gravitational Wave Gap via Doppler with the Uranus Orbiter and Probe Mission: Massive Black Hole Binaries, Early Universe Signals and Ultr-Light Dark Matter" - Lorenz Zwick, Deniz Soyuer, Daniel J. D'Orazio, David O'Neill, Andrea Derdzinski, Prasenjit Saha, Diego Blas, Alexander C. Jenkins, Luke Zoltan Kelley
Email: david.oneill@nbi.ku.dk Github: davidoneill00
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