William Roper

0000-0002-3257-8806

astro-ph.GAastro-ph.COastro-ph.IMastro-ph.EPphysics.pop-phcs.DCphysics.ao-phphysics.comp-phphysics.geo-ph

On Valency

published · living versions

W_unu28bt7·v1 · currentpublished

Why a Multi-Cycle Treasury Program is Essential to Maximize JWST's Scientific Contributions to Galaxy Formation

with Genesis Community, Alice Shapley, Steven L. Finkelstein, Rachel S. Somerville +416

1 version

Preprints & journals

46 papers in the corpus · 2020–2026

EPOCHS-DR2 I: Expanded data release and properties of

6.5<z<16.5

photometrically selected galaxies across NIRCam deep fields covering

\sim700\,\rm arcmin^2

with the galfind software2609.24987v1 · Duncan Austin, Christopher J. Conselice, Thomas Harvey et al.2026 · 0 citationsarXiv

FLAGS II: Constraining Galaxy Formation Models with Dimensionality Reduction of Direct Observables2608.12471v1 · Jack C. Turner, Stephen M. Wilkins, William J. Roper et al.2026 · 0 citationsarXiv

Stellar photoionisation modelling in SYNTHESIZER2607.27467v1 · Aswin P. Vijayan, Stephen M. Wilkins, Sophie L. Newman et al.2026 · 0 citationsarXiv

First Light And Reionization Epoch Simulations (FLARES) XXI: The UV Indices of Galaxies in the Early Universe2605.13472v2 · Connor Sant Fournier, Stephen M. Wilkins, Joseph Caruana et al.2026 · 0 citationsarXiv

The LISA Astrophysics MBHcatalogues Project: A comparison of predictions of simulated massive black hole binaries2605.00092v1 · David Izquierdo-Villalba, Melanie Habouzit, Matteo Bonetti et al.2026 · 0 citationsarXiv

Efficiently emulating distribution functions in gigaparsec volumes for varying cosmological parameters2604.17981v2 · Christopher C. Lovell, Max E. Lee, William J. Roper et al.2026 · 0 citationsarXiv

aurel: A Python package for automatic relativistic calculations2602.00155v1 · Robyn L. Munoz, Christian T. Byrnes, Will J. Roper2026 · 0 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) XX: Comparing semi-analytic models at high-redshift2511.11982v1 · Louise T. C. Seeyave, Carlton M. Baugh, Angel Chandro-Gomez et al.2025 · 1 citationarXiv

Flexible Simulation Based Inference for Galaxy Photometric Fitting with Synthesizer2511.10640v2 · Thomas Harvey, Christopher C. Lovell, Sophie Newman et al.2025 · 2 citationsarXiv

The Nature of High-Redshift Massive Quiescent Galaxies -- Searching for RUBIES-UDS-QG-z7 in FLARES2509.16111v2 · Jack C. Turner, Will J. Roper, Aswin P. Vijayan et al.2025 · 0 citationsarXiv

Synthesizer: a Software Package for Synthetic Astronomical Observables2508.03888v3 · Christopher C. Lovell, William J. Roper, Aswin P. Vijayan et al.2025 · 12 citationsarXiv

Interpreting nebular emission lines in the high-redshift Universe2507.20190v2 · Aswin P. Vijayan, Robert M. Yates, Christopher C. Lovell et al.2025 · 3 citationsarXiv

Synthesizer: Synthetic Observables For Modern Astronomy2506.15811v1 · Will J. Roper, Christopher Lovell, Aswin Vijayan et al.2025 · 7 citationsarXiv

First Light And Reionization Epoch Simulations (FLARES) -- XIX: Supermassive black hole mergers in the early Universe and their environmental dependence2505.12591v3 · Shihong Liao, Dimitrios Irodotou, Maxwell G. A. Maltz et al.2025 · 1 citationMon Not R Astron Soc (2025) 3055-3070

First Light and Reionization Epoch Simulations (FLARES) -- XVIII: the ionising emissivities and hydrogen recombination line properties of early AGN2505.05257v1 · Stephen M. Wilkins, Aswin P. Vijayan, Scott Hagen et al.2025 · 4 citationsarXiv

Cloudy-Maraston: Integrating nebular continuum and line emission with the Maraston stellar population synthesis models2501.03133v2 · Sophie L. Newman, Christopher C. Lovell, Claudia Maraston et al.2025 · 5 citationsMon Not R Astron Soc (2025)

Learning the Universe: Cosmological and Astrophysical Parameter Inference with Galaxy Luminosity Functions and Colours2411.13960v2 · Christopher C. Lovell, Tjitske Starkenburg, Matthew Ho et al.2024 · 12 citationsMon Not R Astron Soc (2025) 3949-3979

First Light and Reionisation Epoch Simulations (FLARES) XVII: Learning the galaxy-halo connection at high redshifts2410.24082v1 · Maxwell G. A. Maltz, Peter A. Thomas, Christoper C. Lovell et al.2024 · 1 citationarXiv

The effects of super-Eddington accretion and feedback on the growth of early supermassive black holes and galaxies2410.09450v2 · Filip Husko, Cedric G. Lacey, William J. Roper et al.2024 · 23 citationsarXiv

EPOCHS Paper V. The dependence of galaxy formation on galaxy structure at z < 7 from JWST observations2405.00376v1 · Christopher J. Conselice, Justin T.F. Basham, Daniel O. Bettaney et al.2024 · 12 citationsarXiv

First Light and Reionization Epoch Simulations (FLARES) -- XV: The physical properties of super-massive black holes and their impact on galaxies in the early universe2404.02815v3 · Stephen M. Wilkins, Jussi K. Kuusisto, Dimitrios Irodotou et al.2024 · 6 citationsarXiv

FOOD I: A New Division Scheme For The Stelliferous Era2403.20144v1 · Stephen M. Wilkins, Sophie L. Newman, Will J. Roper2024 · 0 citationsarXiv

Cosmic Evolution Early Release Science (CEERS) survey: The colour evolution of galaxies in the distant Universe2311.08065v1 · Stephen M. Wilkins, Jack C. Turner, Micaela B. Bagley et al.2023 · 0 citationsarXiv

EPOCHS VI: The Size and Shape Evolution of Galaxies since z ~ 8 with JWST Observations2309.04377v3 · K. Ormerod, C.J. Conselice, N.J. Adams et al.2023 · 107 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) XIII: The Lyman-continuum emission of high-redshift galaxies2305.18174v2 · Louise T. C. Seeyave, Stephen M. Wilkins, Jussi K. Kuusisto et al.2023 · 18 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) XIV: The Balmer/4000~Å\ Breaks of Distant Galaxies2305.18175v1 · Stephen M. Wilkins, Christopher C. Lovell, Dimitrios Irodotou et al.2023 · 2 citationsarXiv

SWIFT: A modern highly-parallel gravity and smoothed particle hydrodynamics solver for astrophysical and cosmological applications2305.13380v2 · Matthieu Schaller, Josh Borrow, Peter W. Draper et al.2023 · 124 citationsMNRAS, Volume 530, Issue 2, May 2024, Pages 2378-2419

Galaxy Evolution in

\ddot{\mu}

based Cosmologies2303.17002v1 · Will J. Roper, Stephen M. Wilkins, Stephen Riggs et al.2023 · 0 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) XII: The consequences of star-dust geometry on galaxies in the EoR2303.04177v3 · Aswin P. Vijayan, Peter A. Thomas, Christopher C. Lovell et al.2023 · 14 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) XI: [OIII] emitting galaxies at

5<z<10

2301.13038v2 · Stephen M. Wilkins, Christopher C. Lovell, Aswin P. Vijayan et al.2023 · 15 citationsarXiv

First Light and Reionisation Epoch Simulations (FLARES) X: Environmental Galaxy Bias and Survey Variance at High Redshift2301.09510v2 · Peter A. Thomas, Christopher C. Lovell, Maxwell G. A. Maltz et al.2023 · 6 citationsarXiv

FLARES IX: The Physical Mechanisms Driving Compact Galaxy Formation and Evolution2301.05228v2 · William J. Roper, Christopher C. Lovell, Aswin P. Vijayan et al.2023 · 2 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) VIII. The Emergence of Passive Galaxies at

z \geqslant 5

2211.07540v3 · Christopher C. Lovell, Will Roper, Aswin P. Vijayan et al.2022 · 2 citationsarXiv

The JWST Hubble Sequence: The Rest-Frame Optical Evolution of Galaxy Structure at

1.5 < z < 8

2210.01110v1 · Leonardo Ferreira, Christopher J. Conselice, Elizaveta Sazonova et al.2022 · 4 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) VII: The Star Formation and Metal Enrichment Histories of Galaxies in the early Universe2208.00976v1 · Stephen M. Wilkins, Aswin P. Vijayan, Christopher C. Lovell et al.2022 · 30 citationsarXiv

Seeing sharper and deeper: JWST's first glimpse of the photometric and spectroscopic properties of galaxies in the epoch of reionisation2207.14265v2 · James A. A. Trussler, Nathan J. Adams, Christopher J. Conselice et al.2022 · 38 citationsMNRAS, 2023, 523, 3423

First Light And Reionisation Epoch Simulations (FLARES) VI: The colour evolution of galaxies

z=5-15

2207.10920v2 · Stephen M. Wilkins, Aswin P. Vijayan, Christopher C. Lovell et al.2022 · 20 citationsarXiv

The BlueTides Mock Image Catalogue: Simulated observations of high-redshift galaxies and predictions for JWST imaging surveys2206.08941v2 · Madeline A. Marshall, Katelyn Watts, Stephen Wilkins et al.2022 · 10 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) V: The redshift frontier2204.09431v1 · Stephen M. Wilkins, Aswin P. Vijayan, Christopher C. Lovell et al.2022 · 69 citationsarXiv

COWS all tHE way Down (COWSHED) I: Could cow based planetoids support methane atmospheres?2203.16609v1 · William J. Roper, Todd L. Cook, Violetta Korbina et al.2022 · 0 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) IV: The size evolution of galaxies at

z\geq5

2203.12627v1 · William J. Roper, Christopher C. Lovell, Aswin P. Vijayan et al.2022 · 47 citationsarXiv

The Impact of Dust on the Sizes of Galaxies in the Epoch of Reionization2110.12075v2 · Madeline A. Marshall, Stephen Wilkins, Tiziana Di Matteo et al.2021 · 37 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) III: The properties of massive dusty galaxies at cosmic dawn2108.00830v2 · Aswin P. Vijayan, Stephen M. Wilkins, Christopher C. Lovell et al.2021 · 39 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) II: The Photometric Properties of High-Redshift Galaxies2008.06057v2 · Aswin P. Vijayan, Christopher C. Lovell, Stephen M. Wilkins et al.2020 · 89 citationsarXiv

First Light And Reionisation Epoch Simulations (FLARES) I: Environmental Dependence of High-Redshift Galaxy Evolution2004.07283v2 · Christopher C. Lovell, Aswin P. Vijayan, Peter A. Thomas et al.2020 · 137 citationsarXiv

MEGA: Merger graphs of structure formation2003.01187v2 · William J. Roper, Peter A. Thomas, Chaichalit Srisawat2020 · 9 citationsarXiv

Career total: 57 works. 46 are in this corpus.

Profile built from the corpus for this byline.

Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.