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Frederick B. Davies

0000-0003-0821-3644
astro-ph.COastro-ph.GAastro-ph.HEastro-ph.IMastro-ph.EPastro-ph.SRcs.CVcs.LGphysics.space-ph

On Valency

published · living versions
W_en9c49pf·v1 · currentpublished
A Robust Estimator for the Lyman-αα Forest 1D Power Spectrum at High Redshift
with Molly Wolfson, Joseph F. Hennawi, Zarija Lukić
1 version

Preprints & journals

129 papers in the corpus · 2009–2026
Nearly pristine gas in a galaxy 1 billion years after the Big Bang2610.16509v1 · Sarah E. I. Bosman, Frederick B. Davies, Louise Welsh et al.2026 · 0 citationsarXiv
A dust-reddened quasar in a [C II]-luminous host at z=6.552610.13758v1 · Daming Yang, Joseph F. Hennawi, Rychard Bouwens et al.2026 · 0 citationsarXiv
Stacking HI in the dark: Towards detecting the reionization-epoch 21 cm signal in Lyman-α\alpha dark gaps2609.05980v1 · Barun Maity, Frederick B. Davies2026 · 0 citationsarXiv
To be lensed or not to be lensed: on the nature of the alleged high-z lensed quasars J0109-5424 and P170+202608.25044v1 · Aurora Mata-Sanchez, Emanuele P. Farina, Anniek J. Gloudemans et al.2026 · 0 citationsarXiv
Quasar Impostors: Two Extremely UV-Bright (MUV≈−23.5M_{\rm UV}\approx-23.5) Reionisation-Epoch Galaxies Powered by Very Massive Stars2608.18212v1 · Daming Yang, Joseph F. Hennawi, Sarah E. I. Bosman et al.2026 · 0 citationsarXiv
Broad Paschen lines as black hole mass tracers: A reverberation mapping calibration2608.24645v1 · Shengxiu Sun, Sarah E. I. Bosman, Frederick B. Davies et al.2026 · 0 citationsarXiv
Euclid: Discovery of 31 new quasars at 6.6<z<7.86.6 < z < 7.82607.03432v1 · D. Yang, J. F. Hennawi, F. Guarneri et al.2026 · 2 citationsA&A, 711, A104 (2026)
First-star imprints in a metal-poor galaxy overdensity near the end of reionization2606.31638v2 · Zihao Li, Koki Kakiichi, Lise Christensen et al.2026 · 0 citationsarXiv
The host halo masses of AGNs and quasars at z∼3−7z \sim 3-7 with TNG-Cluster, FLAMINGO and other cosmological galaxy simulations2606.13784v1 · Akanksha Kapahtia, Annalisa Pillepich, Joey Braspenning et al.2026 · 0 citationsarXiv
Life After the Quasar: Overmassive Black Holes and Remnant Ionised Bubbles in and Around Two z~6.6 Galaxies2605.00763v1 · Romain A. Meyer, Pascal A. Oesch, Callum Witten et al.2026 · 1 citationarXiv
Persephone's Torch: A 15th Magnitude Quadruply-Lensed Quasar From the Couch Discovered with SPHEREx and the LBT2604.13152v1 · Frederick B. Davies, Eduardo Banados, Sarah E. I. Bosman et al.2026 · 0 citationsarXiv
Three Hundred Quasars from the Couch: A first look at high-redshift quasar discovery with SPHEREx2603.10135v1 · Frederick B. Davies, Sarah E. I. Bosman, Arpita Ganguly et al.2026 · 0 citationsarXiv
The Keck/DEIMOS Stellar Archive: I. Uniform Velocities and Metallicities for 78 Milky Way Dwarf Galaxies and Globular Clusters2602.10200v2 · Marla Geha, Debora Pelliccia, J.Xavier Prochaska et al.2026 · 9 citationsarXiv
ASPIRE: The Environments and Dark Matter Halos of Luminous Quasars in the Epoch of Reionization2602.04979v2 · Feige Wang, Jaclyn B. Champagne, Jiamu Huang et al.2026 · 3 citationsarXiv
Studying dark gaps in Ly-α\alpha forest transmission with large reionization simulations2602.00301v2 · Barun Maity, Frederick B. Davies, Benedetta Spina et al.2026 · 0 citationsA&A 710, A248 (2026)
E-XQR-30: Evidence for an Increase in the Ionization State of Metal Absorbers from z~6 to z~22601.02634v1 · Stephanie Rowlands, R. L. Davies, E. Ryan-Weber et al.2026 · 2 citationsarXiv
Detecting the signature of helium reionization through 3HeII 3.46cm line-intensity mapping2511.17702v1 · Benedetta Spina, Cristiano Porciani, Sarah E. I. Bosman et al.2025 · 1 citationarXiv
A close look at the black hole masses and hot dusty toruses of the first quasars with MIRI-MRS2511.02902v1 · Sarah E. I. Bosman, Javier 'Alvarez-M'arquez, Frederick B. Davies et al.2025 · 0 citationsarXiv
Updated dark pixel fraction constraints on reionization's end from the Lyman-series forests of XQR-302510.25829v1 · Frederick B. Davies, Sarah E. I. Bosman, Valentina D'Odorico et al.2025 · 9 citationsarXiv
QUEST (Quasar Unsupervised Encoder and Synthesis Tool): A machine learning framework to generate quasar spectra2510.23206v1 · F. Guarneri, J. T. Schindler, R. A. Meyer et al.2025 · 1 citationA&A 709, A241 (2026)
BEES: Quasar lifetime measurements from extended rest-optical emission line nebulae at z∼6z\sim62510.09753v1 · Dominika Durovc'ikov'a, Anna-Christina Eilers, Yuzo Ishikawa et al.2025 · 0 citationsarXiv
A first look at quasar-galaxy clustering at z≃7.3z\simeq7.32510.08455v3 · Jan-Torge Schindler, Joseph F. Hennawi, Frederick B. Davies et al.2025 · 3 citationsarXiv
The Light Echo of a High-Redshift Quasar mapped with Lyman-α\alpha Tomography2509.05417v1 · Anna-Christina Eilers, Minghao Yue, Jorryt Matthee et al.2025 · 0 citationsarXiv
Inferring local quasar IGM damping wing constraints2508.21812v1 · Timo Kist, Joseph F. Hennawi, Frederick B. Davies2025 · 0 citationsMon Not R Astron Soc (2026)
First constraints on the local ionization topology in front of two quasars at z ~ 7.52508.21818v1 · Timo Kist, Joseph F. Hennawi, Frederick B. Davies et al.2025 · 0 citationsMon Not R Astron Soc (2025)
Measuring the IGM correlation length at 5<z<6.1: a fast change at the end of Reionization2507.12170v1 · Benedetta Spina, Sarah E. I. Bosman, Barun Maity et al.2025 · 1 citationarXiv
Escape fractions from unattenuated Lyα\alpha emitters around luminous z>6z>6 quasars2507.05381v2 · Minghao Yue, Anna-Christina Eilers, Jorryt Matthee et al.2025 · 3 citationsarXiv
Discovery and characterization of 25 new quasars at 4.6 < z < 6.9 from wide-field multi-band surveys2505.15923v1 · Silvia Belladitta, Eduardo Banados, Zhang-Liang Xie et al.2025 · 12 citationsA&A 699, A335 (2025)
Efficient Modelling of Lyman-{\alpha} opacity fluctuations during late reionization epoch2505.09369v2 · Barun Maity, Frederick Davies, Prakash Gaikwad2025 · 2 citationsarXiv
An extremely metal-poor Lyman α\alpha emitter candidate at z=6z=6 revealed through absorption spectroscopy2505.01499v2 · Dominika Durovc'ikov'a, Anna-Christina Eilers, Robert A. Simcoe et al.2025 · 4 citations2025 ApJL 987 L33
Quasar lifetime measurements from extended Lyα\alpha nebulae at z∼6z\sim 62505.00080v3 · Dominika Durovc'ikov'a, Anna-Christina Eilers, Romain A. Meyer et al.2025 · 4 citationsApJ 990 174 (2025)
A local, topology-independent parameterization of quasar IGM damping wings2504.14746v1 · Timo Kist, Joseph F. Hennawi, Frederick B. Davies2025 · 1 citationMon Not R Astron Soc (2025) 2316-2339
First Measurements of Black Hole Accretion and Radio-jet Timescales in a Young Quasar at the Edge of Reionization2503.16609v1 · Sof'ia Rojas-Ruiz, Emmanuel Momjian, Frederick B. Davies et al.2025 · 3 citationsarXiv
JWST ASPIRE: How Did Galaxies Complete Reionization? Evidence for Excess IGM Transmission around [O III]{\rm [O\,{\scriptstyle III}]} Emitters during Reionization2503.07074v1 · Koki Kakiichi, Xiangyu Jin, Feige Wang et al.2025 · 4 citationsarXiv
Measuring photo-ionization rate and mean free path of HeII ionizing photons at 2.5≤z≤3.62.5 \leq z \leq 3.6: Evidence for late and rapid HeII reionization Part-II2503.04893v2 · Prakash Gaikwad, Frederick B. Davies, Martin G. Haehnelt2025 · 2 citationsarXiv
A New Approach for Constraining Large-Scale Temperature Fluctuations in the Intergalactic Medium2501.05575v1 · Saba Etezad-Razavi, Sarah E. I. Bosman, Frederick B. Davies2025 · 1 citationarXiv
Percent-level timing of reionization: self-consistent, implicit-likelihood inference from XQR-30+ Lyα\alpha forest data2412.00799v1 · Yuxiang Qin, Andrei Mesinger, David Prelogovi'c et al.2024 · 2 citationsarXiv
Signatures of warm dark matter in the cosmological density fields extracted using Machine Learning2411.17853v1 · Ander Artola, Sarah E. I. Bosman, Prakash Gaikwad et al.2024 · 0 citationsarXiv
A Little Red Dot at z=7.3\mathbf{z=7.3} within a Large Galaxy Overdensity2411.11534v2 · Jan-Torge Schindler, Joseph F. Hennawi, Frederick B. Davies et al.2024 · 16 citationsarXiv
Robust support for semi-automated reductions of Keck/NIRSPEC data using PypeIt2410.19991v1 · Adolfo S. Carvalho, Greg Doppmann, Kyle B. Westfall et al.2024 · 2 citationsarXiv
A measurement of the escaping ionising efficiency of galaxies at redshift 52409.08315v1 · Sarah E. I. Bosman, Frederick B. Davies2024 · 9 citationsarXiv
The Predicament of Absorption-dominated Reionization II: Observational Estimate of the Clumping Factor at the End of Reionization2406.18186v2 · Frederick B. Davies, Sarah E. I. Bosman, Steven R. Furlanetto2024 · 4 citationsarXiv
Precisely Measuring the Cosmic Reionization History from IGM Damping Wings Towards Quasars2406.12070v3 · Joseph F. Hennawi, Timo Kist, Frederick B. Davies et al.2024 · 16 citationsarXiv
Quantifying the Precision of IGM Damping Wing Measurements Towards Quasars2406.12071v1 · Timo Kist, Joseph F. Hennawi, Frederick B. Davies2024 · 11 citationsarXiv
Optical and near-infrared spectroscopy of quasars at z>6.5z>6.5: public data release and composite spectrum2406.07612v3 · Silvia Onorato, Joseph F. Hennawi, Jan-Torge Schindler et al.2024 · 7 citationsarXiv
Damping wings in the Lyman-{\alpha} forest: a model-independent measurement of the neutral fraction at 5.4<z<6.12405.12273v2 · Benedetta Spina, Sarah E. I. Bosman, Frederick B. Davies et al.2024 · 54 citationsA&A 688, L26 (2024)
Damping Wing-Like Features in the Stacked Lyα\alpha Forest: Potential Neutral Hydrogen Islands at z<6z<62405.12275v2 · Yongda Zhu, George D. Becker, Sarah E. I. Bosman et al.2024 · 59 citationsarXiv
A Spatially Resolved [CII] Survey of 31 z∼7z\sim7 Massive Galaxies Hosting Luminous Quasars2404.15413v1 · Feige Wang, Jinyi Yang, Xiaohui Fan et al.2024 · 1 citationarXiv
IGM damping wing constraints on the tail end of reionisation from the enlarged XQR-30 sample2404.12585v1 · Bradley Greig, Andrei Mesinger, Eduardo Banados et al.2024 · 0 citationsarXiv
Evidence of Pop~III stars' chemical signature in neutral gas at z~6. A study based on the E-XQR-30 spectroscopic sample2404.10722v2 · Alessio Sodini, Valentina D'Odorico, Stefania Salvadori et al.2024 · 21 citationsA&A 687, A314 (2024)
Career total: at least 207 works. 129 are in this corpus.Showing the 50 most recent.

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