Research output per year
Research output per year
Personal profile
Biography
Dr David Sweeney is a Macquarie Lighthouse Research Fellow.
Prior to his current position, he was a postdoctoral research fellow at the University of Sydney and he was invited to the European Southern Observatory (ESO) as an Early Career Visiting Scientific Visitor to assist with using computational physics to uncover the mysteries of the universe. During his PhD, he was awarded a Fulbright Scholarship, which he took to the University of California, Irvine to collaborate with their Department of Software Engineering and Informatics.
David’s main research interest is “The population of compact remnants in our galaxy, microlensing, machine learning and gas sensing with photonics”.
Education/Academic qualification
Astrophysics, PhD, Sensing disturbances in the force with AI: gravity and light in the cosmos, University of Sydney
2021 → 2024
Award Date: 1 Mar 2025
Computer Science and Physics, Bachelor of Science (Advanced) (Honuors), University of Sydney
2017 → 2020
Award Date: 31 Dec 2020
External positions
Sydney Institute for Astronomy (SIfA)
University of Sydney
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Collaborations and top research areas from the last five years
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Gaia GraL: The GraL catalogue of gravitationally lensed quasars: X. Matched with Gaia data, redshifts, and time delays
Ducourant, C., Teixeira, R., Vale-Cunha, P. H., Delchambre, L., Krone-Martins, A., Braine, J., Galluccio, L., Le Campion, J.-F., Krinski-Moreira, O. S., Scarano Jr, S., Bœhm, C., Connor, T., Djorgovski, S. G., Graham, M. J., Jalan, P., Petit, Q., Klioner, S. A., Mignard, F., Negi, V. & Sebastian den Brok, J. & 8 others, , Mar 2026, In: Astronomy and Astrophysics. 707, p. 1-12 12 p., A345.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus) -
Mitigating effects of telescope jitter through differentiable forward-modeling
Charles, M., Desdoigts, L., Pope, B., Langford, C., Sweeney, D. & Tuthill, P., May 2026, In: Journal of Astronomical Telescopes, Instruments, and Systems. 12, 2, p. 028005-1-028005-14 14 p., 028005.Research output: Contribution to journal › Article › peer-review
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Semisupervised learning for lensed quasar detection
Sweeney, D., Krone-Martins, A., Stern, D., Tuthill, P., Scalzo, R., Djorgovski, G., Ducourant, C., Mahabal, A., Teixeira, R. & Graham, M., Apr 2026, In: Monthly Notices of the Royal Astronomical Society. 547, 4, p. 1-13 13 p., stag445.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Downloads (Pure) -
TOLIMAN mission: a low-cost space telescope for high-precision narrow-angle astrometry
Tuthill, P., Betters, C., Charles, M., Crous, F., Dansereau, D. G., Deagan, C., Desdoigts, L., George, M., Holland, T., Langford, C. J., Langker, M., Larkin, K., Luk, C., Nelson, J., Pope, B., Piroscia, G., Rutherford, A., Sweeney, D., Taras, A. & Valenta, K. & 12 others, , 1 Apr 2026, In: Journal of Astronomical Telescopes, Instruments, and Systems. 12, 2, p. 024001-1-024001-18 18 p., 024001.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus) -
Uncovering the invisible: A study of Gaia18ajz, a candidate black hole revealed by microlensing
Howil, K., Wyrzykowski, Ł., Kruszyńska, K., Zieliński, P., Bachelet, E., Gromadzki, M., Mikolajczyk, P. J., Kotysz, K., Jabłońska, M., Kaczmarek, Z., Mróz, P., Ihanec, N., Ratajczak, M., Pylypenko, U., Rybicki, K., Sweeney, D., Hodgkin, S. T., Larma, M., Carrasco, J. M. & Burgaz, U. & 13 others, , 1 Feb 2025, In: Astronomy and Astrophysics. 694, p. 1-19 19 p., A94.Research output: Contribution to journal › Article › peer-review
Open AccessFile6 Link opens in a new tab Citations (Scopus)1 Downloads (Pure)