I am the Professor of Astrostatistics and Data Science at the University of Cambridge. I hold this interdisciplinary faculty position jointly at the Statistical Laboratory of the Department of Pure Mathematics and Mathematical Statistics, and at the Institute of Astronomy. As of 2024, I am Past Chair of the Astrostatistics Interest Group of the American Statistical Association and a Turing Fellow Alumnus of The Alan Turing Institute. My research interests lie at the intersections of astrophysics, cosmology, statistics, and machine learning.
Research Interests: Astrostatistics and astroinformatics, Applications in time-domain astronomy and cosmology, Bayesian modeling and inference, Statistical computation
Publications
The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Selection of a performance metric for classification probabilities balancing diverse science goals
(2018)
(doi: 10.48550/arxiv.1809.11145)
The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Data set
(2018)
(doi: 10.48550/arxiv.1810.00001)
MOSFiT: Modular open source fitter for transients
– Astrophysical Journal Supplement Series
(2018)
236,
6
(doi: 10.3847/1538-4365/aab761)
Estimating the Mass of the Milky Way Using the Ensemble of Classical Satellite Galaxies
– The Astrophysical Journal
(2018)
857,
78
(doi: 10.3847/1538-4357/aab78f)
A Dependence of the Tidal Disruption Event Rate on Global Stellar Surface Mass Density and Stellar Velocity Dispersion
– Astrophysical Journal
(2018)
853,
39
(doi: 10.3847/1538-4357/aaa3fd)
The Type Ia Supernova Color-Magnitude Relation and Host Galaxy Dust: A Simple Hierarchical Bayesian Model
– The Astrophysical Journal
(2017)
842,
93
(doi: 10.3847/1538-4357/aa6038)
Disentangling Time-series Spectra with Gaussian Processes: Applications to Radial Velocity Analysis
– Astrophysical Journal
(2017)
840,
49
(doi: 10.3847/1538-4357/aa6aab)
Orbits of massive satellite galaxies – II. Bayesian estimates of the Milky Way and Andromeda masses using high-precision astrometry and cosmological simulations
– Monthly Notices of the Royal Astronomical Society
(2017)
468,
3428
(doi: 10.1093/mnras/stx698)
SN 2012cg: Evidence for Interaction Between a Normal Type Ia Supernova and a Non-degenerate Binary Companion
– The Astrophysical Journal
(2016)
820,
92
(doi: 10.3847/0004-637x/820/2/92)
CONSTRUCTING A FLEXIBLE LIKELIHOOD FUNCTION FOR SPECTROSCOPIC INFERENCE
– The Astrophysical Journal
(2015)
812,
128
(doi: 10.1088/0004-637X/812/2/128)
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