
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. From 2023, I am Chair of the Astrostatistics Interest Group of the American Statistical Association. 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
First cosmology results using supernovae ia from the dark energy survey: Survey overview, performance, and supernova spectroscopy
– The Astronomical Journal
(2020)
160,
267
(doi: 10.3847/1538-3881/abc01b)
Type Ia Supernovae Are Excellent Standard Candles in the Near-infrared
– Astrophysical Journal
(2019)
887,
106
(doi: 10.3847/1538-4357/ab2a16)
The Photometric LSST Astronomical Time-series Classification Challenge PLAsTiCC: Selection of a Performance Metric for Classification Probabilities Balancing Diverse Science Goals
– The Astronomical Journal
(2019)
158,
171
(doi: 10.3847/1538-3881/ab3a2f)
RAPID: Early Classification of Explosive Transients Using Deep Learning
– Publications of the Astronomical Society of the Pacific
(2019)
131,
118002
(doi: 10.1088/1538-3873/ab1609)
Models and Simulations for the Photometric LSST Astronomical Time Series Classification Challenge (PLAsTiCC)
– Publications of the Astronomical Society of the Pacific
(2019)
131,
094501
(doi: 10.1088/1538-3873/ab26f1)
First cosmology results using Type Ia supernova from the Dark Energy Survey: simulations to correct supernova distance biases
– Monthly Notices of the Royal Astronomical Society
(2019)
485,
1171
(doi: 10.1093/mnras/stz463)
First Cosmology Results Using SNe Ia from the Dark Energy Survey: Analysis, Systematic Uncertainties, and Validation
– The Astrophysical Journal
(2019)
874,
150
(doi: 10.3847/1538-4357/ab08a0)
Subpercent Photometry: Faint DA White Dwarf Spectrophotometric Standards for Astrophysical Observatories
– The Astrophysical Journal Supplement Series
(2019)
241,
20
(doi: 10.3847/1538-4365/ab0557)
First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters
– Astrophysical Journal Letters
(2019)
872,
l30
(doi: 10.3847/2041-8213/ab04fa)
Simulations of the WFIRST Supernova Survey and Forecasts of Cosmological Constraints
– Astrophysical Journal
(2018)
867,
23
(doi: 10.3847/1538-4357/aac08b)
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