As survey astronomer, my research is focussing on astronomical and data science (systems) topics that exploit large-scale surveys:
- Detection of rare objects: high-redshift quasars, strong gravitational lenses, galaxy mergers etcetera. I am involved in such projects using the Kilo-Degree Survey and are preparing for the Euclid Mission
- “DenseLens – Using DenseNet Ensembles and Information Criteria for finding and rank-ordering Strong Gravitational Lenses”, Bharath Chowdhary Nagam et al., 2022, MNRAS, submitted
- “Object classification with Convolutional Neural Networks: from KiDS to Euclid“, Gijs A. Verdoes Kleijn et al., 2022, ADASS 2022
- “The Pan-STARRS1 z>5.6 quasar survey II: Discovery of 55 Quasars at 5.6<z<6.5”, Eduardo Banados et al., 2022
- Serendipitous harvests: asteroids and comets in extragalactic surveys. This combines my interest in data-intensive astronomy with my interest in the long-term future of the habitability of Earth. I focus on improving our knowledge of the orbits and compositions of near-earth asteroids & comets. To avoid a rock “hitting the windshield of our spaceship Earth”.
- “Mining archival data from wide-field astronomical surveys in search of Near-Earth Objects”, Saifollahi et al., 2022, in preparation
- photometric calibration at the signal-to-noise limit over large areas: low-surface brightness galaxies
- High-precision relative and absolute astrometry: proper motions of stars, asteroids and comets. Again related to my interest in the long-term future of the habitability of Earth
- “Stellar encounters and climate change”, MSc thesis Oscar Stolk, 2023, in preparation
- data science systems: extreme data lineage for quality assessment of large complex data sets
- “MuseWise – Data Management of MUSE GTO data”, MUSE GTO consortium et al., 2023, in preparation
See the SAO/NASA Astrophysics Data System (ADS) for a full listing of papers.