# Research Interests

- Bayesian inference, information theory, and related topics
- Computational methods (particularly Nested Sampling)
- Astrostatistics (in various fields including gravitational lensing and reverberation mapping, among others)

# Publications

*Two major accretion epochs in M31 from two distinct populations of globular clusters*

Dougal Mackey, Geraint F. Lewis, **Brendon J. Brewer**, Annette M. N. Ferguson,
Jovan Veljanoski, Avon P. Huxor, Michelle L. M. Collins, Patrick Côté,
Rodrigo A. Ibata, Mike J. Irwin,
Nicolas Martin, Alan W. McConnachie,
Jorge Peñarrubia, Nial Tanvir, Zhen Wan, 2019,
accepted for publication in Nature.

*The SAMI Galaxy Survey: Bayesian Inference for Gas Disk Kinematics using a Hierarchical Gaussian Mixture Model*

Mathew R. Varidel, Scott M. Croom, Geraint F. Lewis, **Brendon J. Brewer**,
Enrico M. Di Teodoro, and more coauthors,
2019,
Monthly Notices of the Royal Astronomical Society, 485, 4024. Preprint.

*The Lick AGN Monitoring Project 2011: Photometric Light Curves*

Anna Pancoast and many coauthors including **Brendon J. Brewer**,
2019, The Astrophysical Journal, 871, 108. Paper.

*
Model selection and parameter inference in phylogenetics
using Nested Sampling
*

Patricio Maturana R, **Brendon J. Brewer**, Steffen Klaere,
and Remco Bouckaert, 2019,
Systematic Biology 68, 219–233.
Preprint.

*Modelling career trajectories of cricket players using Gaussian processes.*

Stevenson, O. G. and **Brewer, B. J.**, in press, in Bayesian Statistics: New Challenges and New Generations - BAYSM 2018. Springer.
Preprint.

*The Lick AGN Monitoring Project 2011: Dynamical Modeling of the Broad-Line Region*

Peter R. Williams, Anna Pancoast, Tommaso Treu, **Brendon J. Brewer**,
Aaron J. Barth, and many coauthors. 2018, The Astrophysical Journal, 866(2), 75. Preprint.

*DNest4: Diffusive Nested Sampling in C++ and Python*

**Brendon J. Brewer** and Daniel Foreman-Mackey, 2018,
Journal of Statistical Software, 86(7), 1–33.
doi:http://dx.doi.org/10.18637/jss.v086.i07
Paper
Software.

*AMORPH: A statistical program for characterizing amorphous materials by
X-ray diffraction*

Michael C. Rowe, **Brendon J. Brewer**, 2018,
Computers and Geosciences, Volume 120, p. 21-31.
Preprint
Software.

*
kima: Exoplanet detection in radial velocities
*

J. P. Faria, N. C. Santos, P. Figueira, and
**B. J. Brewer**,
Journal of Open Source Software, 3(26), 487,
https://doi.org/10.21105/joss.00487.
Paper
Software.

*Stability of the broad line region geometry and dynamics
in Arp 151 over seven years*

A. Pancoast, A. J. Barth, K. Horne, T. Treu, **B. J. Brewer**,
and many coauthors, 2018, The Astrophysical Journal, 856, 108.
Preprint.

*Properties of the Affine Invariant Ensemble Sampler's "Stretch Move" in high dimensions*

David Huijser, Jesse Goodman, **Brendon J. Brewer**, 2017, submitted.
Preprint.

*Computing Entropies with Nested Sampling*

**Brendon J. Brewer**, 2017, Entropy, 19, 422.
Paper
Software.

*
The Structure of the Broad-Line Region In Active Galactic Nuclei. II. Dynamical Modeling of Data from the AGN10 Reverberation Mapping Campaign
*

C. J. Grier, A. Pancoast, A. J. Barth, M. M. Fausnaugh, **B. J. Brewer**,
T. Treu, B. M. Peterson, 2017, The Astrophysical Journal, 849, 2.
Preprint.

*Red nuggets grow inside-out: evidence from gravitational lensing*

Lindsay Oldham, Matthew W. Auger, Christopher D. Fassnacht,
Tommaso Treu, **Brendon J. Brewer**, L.V.E. Koopmans,
David Lagattuta, Philip Marshall, John McKean, Simona Vegetti,
2017, Monthly Notices of the Royal Astronomical Society, 465, 3185.
Preprint.

*Bayesian survival analysis of batsmen in Test cricket*

Oliver G. Stevenson and **Brendon J. Brewer**, 2017,
Journal of Quantitative Analysis in Sports, 13(1): 25–36.
Preprint.

*What Experts Do and Don't Know*

**Brendon J. Brewer**,
2016, article in *Quillette*.
Available here.

*The elusive stellar halo of the Triangulum Galaxy*

B. McMonigal, G. F. Lewis, **B. J. Brewer**,
M. J. Irwin, N. F. Martin, A. W. McConnachie, R. A. Ibata,
A. M. N. Ferguson, A. D. Mackey, S. C. Chapman, 2016,
Monthly Notices of the Royal Astronomical Society, 461, 4374.
Preprint.

*The Mathematics of Happiness*

**Brendon J. Brewer**, 2016, article in *Quillette*.
Available here.

*Unscrambling the second law of thermodynamics*

**Brendon J. Brewer**, 2016, article in *Quillette*.
Available here.

*Uncovering the planets and stellar activity of CoRoT-7 using only radial velocities*

J. P. Faria, R. D. Haywood, **B. J. Brewer**, P. Figueira, M. Oshagh, A. Santerne, N. C. Santos, 2016, Astronomy and Astrophysics 588, A31. Preprint.

*Space Telescope and Optical Reverberation Mapping Project. IV. Anomalous behavior of the broad ultraviolet emission lines in NGC 5548.*

M. R. Goad and many co-authors (including **B. J. Brewer**), 2016,
The Astrophysical Journal, 824, 11.
Preprint.

*Space Telescope and Optical Reverberation Mapping Project. III. Optical Continuum Emission and Broad-Band Time Delays in NGC 5548*

M. M. Fausnaugh and many co-authors (including **B. J. Brewer**), 2016,
The Astrophysical Journal 821, 56. Preprint.

*The Great Statistical Schism*

**Brendon J. Brewer**, 2015, article in *Quillette*.
Available here.

*Trans-Dimensional Bayesian Inference for Gravitational Lens Substructures*

**Brendon J. Brewer**, David Huijser, Geraint F. Lewis, 2016, Monthly Notices of the Royal Astronomical Society,
455, 1819-1829.
Preprint.

*Bayesian Inference and Computation: A Beginner's Guide*

**Brendon J. Brewer**, 2015, contribution to the XXVI Winter School of
Astrophysics. To be published by Cambridge University Press.
Draft.

*The Lick AGN Monitoring Project 2011: Spectroscopic Campaign and Emission-Line Light Curves*

Barth, A. J. and many coauthors (including **B. J. Brewer**), 2015,
The Astrophysical Journal Supplement Series, 217, 26. Preprint.

*Fast Bayesian Inference for Exoplanet Discovery in Radial Velocity Data*

**Brendon J. Brewer**, Courtney P. Donovan, 2015, Monthly Notices of the Royal Astronomical Society, 446, 3206.
Preprint.

*Dissecting magnetar variability with Bayesian hierarchical models*

D. Huppenkothen, **B. J. Brewer**, D. W. Hogg, I. Murray, M. Frean, C. Elenbaas, A. L. Watts, Y. Levin, A. J. van der Horst, C. Kouveliotou, 2015, The Astrophysical Journal,
810, 66.
Preprint.

*Space Telescope and Optical Reverberation Mapping Project. II. Swift and HST Reverberation Mapping of the Accretion Disk of NGC 5548*

R. Edelson and many coauthors (including **B. J. Brewer**), 2015,
The Astrophysical Journal, 806, 129. Preprint.

*Space Telescope and Optical Reverberation Mapping Project. I. Ultraviolet Observations of the Seyfert 1 Galaxy NGC 5548 with the Cosmic Origins Spectrograph on Hubble Space Telescope*

G. De Rosa and many coauthors (including **B. J. Brewer**), 2015,
The Astrophysical Journal, 806, 128. Preprint.

*Inference for Trans-dimensional Bayesian Models with Diffusive Nested Sampling*

**Brendon J. Brewer**, 2014, arxiv only (for the time being).
Preprint.

*Modeling reverberation mapping data I: improved geometric and dynamical models and comparison with cross-correlation results*

Anna Pancoast, **Brendon J. Brewer**, Tommaso Treu, 2014, Monthly Notices of the Royal Astronomical Society, 445, 3055.
Preprint.

*Modeling reverberation mapping data II: dynamical modeling of the Lick AGN Monitoring Project 2008 dataset*

Anna Pancoast, **Brendon J. Brewer**, Tommaso Treu, Daeseong Park, Aaron J. Barth, Misty C. Bentz, Jong-Hak Woo, 2014, Monthly Notices of the Royal Astronomical Society, 445, 3073.
Preprint.

*
Hierarchical Reverberation Mapping
*

**Brendon J. Brewer**, Tom M. Elliott, 2014, Monthly Notices of the Royal Astronomical Society, 439, L31. Preprint.

*
The SWELLS Survey. VI. hierarchical inference of the initial mass functions of bulges and discs
*

**Brendon J. Brewer**, Philip J. Marshall, Matthew W. Auger, Tommaso Treu, Aaron A. Dutton,
Matteo Barnabè, 2014, Monthly Notices of the Royal Astronomical Society, 437, 1950. Preprint

*A transdimensional Bayesian method to infer the star
formation history of resolved stellar populations*

J. J. Walmswell, J. J. Eldridge, **B. J. Brewer** and C. A. Tout,
2013, Monthly Notices of the Royal Astronomical Society, 435, 2171. Preprint

*The Lick AGN Monitoring Project 2011: Fe II Reverberation from the Outer Broad-Line Region*

Aaron J. Barth, Anna Pancoast, Vardha N. Bennert, **Brendon J. Brewer**, and many coauthors,
2013, The Astrophysical Journal, 769, 128. Preprint

*Probabilistic Catalogs for Crowded Stellar Fields*

**Brendon J. Brewer**, Daniel Foreman-Mackey, David W. Hogg, 2013,
The Astronomical Journal, 146, 7. Preprint

*The SWELLS survey - V. A Salpeter stellar initial mass function in the bulges of massive spiral galaxies*

A. A. Dutton, T. Treu,

**B. J. Brewer**, P. J. Marshall, M. W. Auger, M. Barnabè, D. C. Koo, A. S. Bolton, L. V. E. Koopmans, 2013, Monthly Notices of the Royal Astronomical Society, 428, 3183. Preprint

*The Lick AGN Monitoring Project 2011: Dynamical Modeling of the Broad Line Region in Mrk50*

Anna Pancoast,

**Brendon J. Brewer**, Tommaso Treu, Aaron J. Barth and many coauthors, 2012, The Astrophysical Journal, 754, 49. Preprint

*The SWELLS survey. IV. Precision measurements of the stellar and dark matter distributions in a spiral lens galaxy*

Matteo Barnabè, Aaron A. Dutton, Philip J. Marshall, Matthew W. Auger,

**Brendon J. Brewer**, Tommaso Treu, Adam S. Bolton, David C. Koo, Léon V. E. Koopmans, 2012, Monthly Notices of the Royal Astronomical Society, 423, 1073. Preprint

*The SWELLS survey. III. Disfavouring "heavy" initial mass functions for spiral lens galaxies*

**Brendon J. Brewer**, Aaron A. Dutton, Tommaso Treu, Matthew W. Auger, Philip J. Marshall, Matteo Barnabè, Adam S. Bolton, David C. Koo, Léon V. E. Koopmans, 2012, Monthly Notices of the Royal Astronomical Society, 422, 3574. Preprint

*The Lick AGN Monitoring Project 2011: Reverberation Mapping of Markarian 50*

A. J. Barth and many coauthors (including

**B. J. Brewer**), 2011, The Astrophysical Journal, 743, L4. Preprint

*Bayesian Analysis of Reverberation Mapping Data*

**Brendon J. Brewer**, 2011, in Statistical Challenges in Modern Astronomy V. Preprint

*The SWELLS Survey. I. A large spectroscopically selected sample of edge-on late-type lens galaxies*

T.Treu, A. A. Dutton, M. W. Auger, P. J. Marshall, A. S. Bolton,

**B. J. Brewer**, D. Koo, L. V. E. Koopmans, 2011, Monthly Notices of the Royal Astronomical Society, 417, 1601. Preprint

*The Mass of the Black Hole in Arp 151 from Bayesian Modeling of Reverberation Mapping Data*

**Brendon J. Brewer**, Tommaso Treu, Anna Pancoast, Aaron J. Barth, Vardha N. Bennert, Misty C. Bentz, Alexei V. Filippenko, Jenny E. Greene, Matthew A. Malkan, and Jong-Hak Woo, 2011, The Astrophysical Journal Letters, 733, L33. Preprint

*Geometric and Dynamical Models of Reverberation Mapping Data*

Anna Pancoast,

**Brendon J. Brewer**, Tommaso Treu, 2011, The Astrophysical Journal, 730, 139. Preprint

*The SWELLS survey. II. Breaking the disk-halo degeneracy in the spiral galaxy gravitational lens SDSS J2141-0001*

A. A. Dutton,

**B. J. Brewer**, P. J. Marshall, M. W. Auger, T. Treu, D. C. Koo, A. S. Bolton, B. P. Holden, L. V. E. Koopmans, 2011, Monthly Notices of the Royal Astronomical Society, 417, 1621. Preprint

*A Compact Early-type Galaxy at z = 0.6 Under a Magnifying Lens: Evidence For Inside-out Growth*

M. W. Auger, T. Treu,

**B. J. Brewer**, P. J. Marshall, 2011, Monthly Notices of the Royal Astronomical Society Letters, 411, L6. Preprint

*Modelling of the Complex CASSOWARY/SLUGS Gravitational Lenses*

**Brendon J. Brewer**, Geraint F. Lewis, Vasily Belokurov, Michael J. Irwin, Terry J. Bridges, N. Wyn Evans, 2011, Monthly Notices of the Royal Astronomical Society, 412, 2521. Preprint

*A comparison of Bayesian and Fourier methods for frequency determination in asteroseismology*

Timothy R. White,

**Brendon J. Brewer**, Timothy R. Bedding, Dennis Stello, Hans Kjeldsen, 2010, Communications in Asteroseismology. Preprint

*AAOmega Observations of 47 Tucanae: Evidence for a Past Merger?*

Richard R. Lane,

**Brendon J. Brewer**, Laszlo L. Kiss, Geraint F. Lewis, Rodrigo A. Ibata, Arnaud Siebert, Timothy R. Bedding, Peter Szekely, Gyula M. Szabo, 2010, The Astrophysical Journal Letters 711, L122-L126. Preprint

*Diffusive Nested Sampling*

**Brendon J. Brewer**, Livia B. Pártay, Gábor Csányi, Statistics and Computing, 2011, 21, 4, 649-656. Preprint

*Entropic Priors and Bayesian Model Selection*

**B. J. Brewer**and M. J. Francis, 2009, in AIP Conference Proceedings, vol. 1193, no. 1, pp. 179-186, AIP. Preprint

*Low-Energy Astrophysics: Stimulating the Reduction of Energy Consumption in the Next Decade*

Marshall, P.J., Bennert, N., Rykoff, E.S., Shen, K.J., Steinfadt, J.D.R., Fregeau, J., Chary, R.-R., Sheth, K., Weiner, B., Henisey, K.B., Quetin, E.L., Antonucci, R., Kaplan, D., Jonsson, P., Auger, M.W., Cardamone, C., Tao, T., Holz, D.E., Bradac, M., Metcalfe, T.S., McHugh, S., Elvis, M.,

**Brewer, B.J.**, Urrutia, T., Guo, F., Hovest, W., NakThe Astronomical Journalima, R., For, B.-Q., Erb, D., Paneque, D., 2009, Astro2010: The Astronomy and Astrophysics Decadal Survey, Position Papers, no. 35. Preprint.

*Gaussian Process Modelling of Asteroseismic Data*

**B. J. Brewer**and D. Stello, 2009, Monthly Notices of the Royal Astronomical Society, 395, 2226. Preprint

*Unlensing HST Observations of the Einstein Ring 1RXS J1131-1231: A Bayesian Analysis*

**B. J. Brewer**, G. F. Lewis, 2008, Monthly Notices of the Royal Astronomical Society, 390, 39. Preprint

*The Implications of the Early Formation of Life on Earth*

**Brendon J. Brewer**, was submitted, but I withdrew it because the referee didn't like it and I'm still thinking through the issues. Arxiv only. Preprint

*A Molecular Einstein Ring at z=4.12: Imaging the Dynamics of a Quasar Host Galaxy Through a Cosmic Lens*

Dominik A. Riechers, Fabian Walter,

**Brendon J. Brewer**, Christopher L. Carilli, Geraint F. Lewis, Frank Bertoldi and Pierre Cox, 2008, The Astrophysical Journal, 686, 851. Preprint

*Getting Your Eye In: A Bayesian Analysis of Early Dismissals in Cricket*

**B. J. Brewer**, was submitted to a journal but vanished into the aether after the first revision. Arxiv only. Preprint

*Solar-like oscillations in the metal-poor subgiant nu Indi: II. Acoustic spectrum and mode lifetime*

F. Carrier, H. Kjeldsen, T. R. Bedding,

**B. J. Brewer**, R. P. Butler, P. Eggenberger, F. Grundahl, C. McCarthy, A. Retter, C. G. Tinney, 2007, Astronomy and Astrophysics, 470, 1059. Preprint

*Solar-like oscillations in the G2 subgiant beta Hydri from dual-site observations*

Timothy R. Bedding, Hans Kjeldsen, Torben Arentoft, Francois Bouchy, Jacob Brandbyge,

**Brendon J. Brewer**, R. Paul Butler, Joergen Christensen-Dalsgaard, Thomas Dall, Soeren Frandsen, Christoffer Karoff, Laszlo L. Kiss, Mario J.P.F.G. Monteiro, Frank P. Pijpers, Teresa C. Teixeira, C. G. Tinney, Ivan K. Baldry, Fabien Carrier, Simon J. O'Toole, 2007, The Astrophysical Journal, 663, 1315. Preprint

*Bayesian Inference from Observations of Solar-Like Oscillations*

**B. J. Brewer**, T. R. Bedding, H. Kjeldsen and D. Stello, The Astrophysical Journal, 2007, 654, 551B. Preprint

*The evolution of host mass and black hole mass in QSOs from the 2dF QSO Redshift Survey*

S. Fine, S. M. Croom, L. Miller, A. Babic, D. Moore,

**B. Brewer**, R. G. Sharp, B. J. Boyle, T. Shanks, R. J. Smith, P. J. Outram, N. S. Loaring, Monthly Notices of the Royal Astronomical Society, 2006, 373, 613F. Preprint

*The Einstein Ring 0047-2808 Revisited: A Bayesian Inversion*

**B. J. Brewer**and G. F. Lewis, The Astrophysical Journal, 2006, 651, 8. Preprint

*Solar-like oscillations in the metal-poor subgiant nu Indi: constraining the mass and age using asteroseismology*

T. R. Bedding, R. P. Butler, F. Carrier, F. Bouchy,

**B. J. Brewer**, P. Eggenberger, F. Grundahl, H. Kjeldsen, C. McCarthy, T. B. Nielsen, A. Retter, C. G. Tinney, The Astrophysical Journal, 2006, 647, 558. Preprint

*Strong Gravitational Lens Inversion: A Bayesian Approach*

**B. J. Brewer**and G. F. Lewis, The Astrophysical Journal, 2006, 637, 608. Preprint

*The light curve of the semiregular variable L2 Puppis: II. Evidence for solar-like excitation of the oscillations*

T. R. Bedding, L. L. Kiss, H. Kjeldsen,

**B. J. Brewer**, Z. E. Dind, S. D. Kawaler, A. A. Zijlstra, Monthly Notices of the Royal Astronomical Society, 2005, 361, 1375. Preprint

*Probing Sub parsec Structure in the Lyman Alpha Forest with Gravitational Microlensing*

**B. J. Brewer**and G. F. Lewis, Monthly Notices of the Royal Astronomical Society, 2005, 356, 703. Preprint Honours thesis (PDF, 1.97 Mb)

*When Darwin met Einstein: Gravitational Lens Inversion with Genetic Algorithms*

**B. J. Brewer**and G. F. Lewis, Publications of the Astronomical Society of Australia, 2005, 22, 128. Preprint 3rd year report (DOC, 335 kb)

*Bayesian Estimation and Cricket*

**Brendon J. Brewer**, 2005. Just for fun. Available here