Contact Information
1002 W. Green St.
Urbana, IL 61801
Research Areas
Research Description
The exponential growth in contemporary advanced computing capability has profoundly influenced approaches to leading-edge scientific questions in data-and compute-intensive science and engineering. For example, the power of current extreme-scale computer systems allows telescopes to acquire and process data at an unprecedented rate, bringing transformative change to the practice of observational astronomy. I focus on the interdisciplinary use of advanced computing in computational science and engineering including observational astronomy, in order to understand key astrophysical questions for which new avenues of scientific inquiry are enabled by these advances. I am a member of the Center for Extreme-Scale Computation at NCSA/IACAT and a faculty affiliate of the Computational Science and Engineering program at UIUC.
My main research areas lie at the intersection of advanced computing and astrophysics and include the following specific focus areas in astronomy: a) the theory of interferometry; b) astrophysical masers; c) late-type, evolved stars; and d) gravitational lensing.
Education
Ph. D. (Physics) 1993
Additional Campus Affiliations
Professor, Astronomy
Professor, National Center for Supercomputing Applications (NCSA)
External Links
Recent Publications
Taaki, J. S., Kemball, A. J., & Kamalabadi, F. (2024). Robust Detrending of Spatially Correlated Systematics in Kepler Light Curves Using Low-rank Methods. Astronomical Journal, 167(2), Article 60. https://doi.org/10.3847/1538-3881/ad1110
Wen, D., & Kemball, A. J. (2024). Testing Primordial Black Hole Dark Matter with Atacama Large Millimeter Array Observations of the Gravitational Lens B1422+231. Universe, 10(1), Article 37. https://doi.org/10.3390/universe10010037
Tobin, T. L., Gray, M. D., & Kemball, A. J. (2023). Polarized Maser Emission with In-source Faraday Rotation. Astrophysical Journal, 943(2), Article 123. https://doi.org/10.3847/1538-4357/aca595
Huang, K. Y., Kemball, A. J., Vlemmings, W. H. T., Lai, S. P., Yang, L., & Agudo, I. (2020). Mapping Circumstellar Magnetic Fields of Late-type Evolved Stars with the Goldreich-Kylafis Effect: CARMA Observations at λ1.3 mm of R Crt and R Leo. Astrophysical Journal, 899(2), Article 152. https://doi.org/10.3847/1538-4357/aba122
Taaki, J. S., Kamalabadi, F., & Kemball, A. J. (2020). Bayesian Methods for Joint Exoplanet Transit Detection and Systematic Noise Characterization. Astronomical Journal, 159(6), Article 283. https://doi.org/10.3847/1538-3881/ab8e38