RC
Ryan Cooke
astro-ph.GAastro-ph.COastro-ph.IMastro-ph.SRgr-qcnucl-thastro-ph.HEhep-phnucl-exphysics.data-an
On Valency
published · living versionsW_2ctxd5q2·v1 · currentpublished
Detection of star formation in a near-pristine pocket of the Universe
with Louise Welsh, Michele Fumagalli, Rajeshwari Dutta, Matteo Fossati +1
1 version
W_rnbam6nq·v1published
W_958dnf9d·v1published
Preprints & journals
59 papers in the corpus · 2008–2026Nearly 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
Detection of metal absorption lines in quasar spectra: a neural network approach using U-Net2609.28072v1 · Elena Sofia Mangola, Francesco Pistis, Michele Fumagalli et al.2026 · 0 citationsarXiv
Detection of an Extended Ly Halo around a Broad Absorption Line Quasar with the Keck Cosmic Web Imager2605.05673v1 · Raymond P. Remigio, Aaron J. Barth, Feige Wang et al.2026 · 0 citationsarXiv
Towards a measurement of the primordial helium isotope ratio2605.00122v1 · Ryan J. Cooke, James W. Johnson, Pasquier Noterdaeme et al.2026 · 1 citationarXiv
Featureless stars: Flux Calibration for Extremely Large Telescopes2601.05343v1 · Ryan Cooke, Nao Suzuki, J. Xavier Prochaska2026 · 0 citationsarXiv
Precision Cosmology with the Lightest Elements2511.06275v1 · Max Pettini, Ryan Cooke2025 · 3 citationsarXiv
Metals versus Non-metals: Chemical Evolution of Hydrogen and Helium Isotopes in the Milky Way2510.08689v1 · James W. Johnson, Miqaela K. Weller, Ryan J. Cooke2025 · 1 citationarXiv
Unmixed metals: Variations in the enrichment of z~4 sub-damped Lyman alpha systems2507.11602v1 · Trystyn A. M. Berg, Louise A. Welsh, Ryan J. Cooke et al.2025 · 0 citationsarXiv
Efficient Search for Extremely Metal Poor Galaxies in the Local Universe using Convolutional Neural Networks2502.01638v1 · Ting-Yun Cheng, Ryan J. Cooke2025 · 2 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 determination of the cosmic microwave background temperature using Galactic molecules2409.18270v2 · Ryan J. Cooke, Louise Welsh2024 · 0 citationsarXiv
A survey of extremely metal-poor gas at cosmic noon: evidence of elevated [O/Fe]2409.07525v1 · Louise Welsh, Ryan Cooke, Michele Fumagalli et al.2024 · 5 citationsA&A 691, A285 (2024)
Big Bang Nucleosynthesis2409.06015v1 · Ryan Cooke2024 · 1 citationarXiv
KBSS-InCLOSE I: Design and First Results from the Inner CGM of QSO Line Of Sight Emitting Galaxies at z~2-32408.14647v1 · Evan Haze Nunez, Charles C. Steidel, Evan N. Kirby (Notre Dame) et al.2024 · 4 citationsarXiv
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments2407.14601v1 · A. Marconi, M. Abreu, V. Adibekyan et al.2024 · 19 citationsarXiv
Cosmology and fundamental physics with the ELT-ANDES spectrograph.39308933 · Martins, C J A P, Cooke, R, Liske, J et al.2024 · 30 citationsExperimental astronomy. 2024;57(1):5
Towards ultra metal-poor DLAs: linking the chemistry of the most metal-poor DLA to the first stars2307.03771v1 · Louise Welsh, Ryan Cooke, Michele Fumagalli et al.2023 · 13 citationsarXiv
CUBES: a UV spectrograph for the future2212.12791v1 · S. Covino, S. Cristiani, J. M. Alcala' et al.2022 · 1 citationarXiv
MUSE Analysis of Gas around Galaxies (MAGG) -- IV: The gaseous environment of 3-4 Lyman-alpha emitting galaxies2209.15021v1 · Emma K. Lofthouse, Michele Fumagalli, Matteo Fossati et al.2022 · 50 citationsarXiv
Lessons Learned from the Two Largest Galaxy Morphological Classification Catalogues built by Convolutional Neural Networks2209.06897v1 · Ting-Yun Cheng, H. Dom'inguez S'anchez, J. Vega-Ferrero et al.2022 · 11 citationsarXiv
Harvesting the Ly\alpha\ forest with convolutional neural networks2209.02142v1 · Ting-Yun Cheng, Ryan Cooke, Gwen Rudie2022 · 3 citationsarXiv
CUBES, the Cassegrain U-Band Efficient Spectrograph2208.01672v1 · S. Cristiani, J. M. Alcal'a, S. H. P. Alencar et al.2022 · 3 citationsarXiv
The CUBES Science Case2208.01677v2 · Chris Evans, Stefano Cristiani, Cyrielle Opitom et al.2022 · 1 citationarXiv
Primordial helium-3 redux: The helium isotope ratio of the Orion nebula2203.11256v1 · Ryan J. Cooke, Pasquier Noterdaeme, James W. Johnson et al.2022 · 19 citationsarXiv
Oxygen-enhanced extremely metal-poor DLAs: A signpost of the first stars?2201.08394v1 · Louise Welsh, Ryan Cooke, Michele Fumagalli et al.2022 · 20 citationsarXiv
MUSE Analysis of Gas around Galaxies (MAGG) -- III: The gas and galaxy environment of z = 3-4.5 quasars2103.01960v1 · Matteo Fossati, Michele Fumagalli, Emma K. Lofthouse et al.2021 · 79 citationsarXiv
The stochastic enrichment of Population II stars2010.10532v1 · Louise Welsh, Ryan Cooke, Michele Fumagalli2020 · 16 citationsarXiv
MUSE Analysis of Gas around Galaxies (MAGG) -- II: Metal-enriched halo gas around z~1 galaxies2009.14219v2 · Rajeshwari Dutta, Michele Fumagalli, Matteo Fossati et al.2020 · 99 citationsMonthly Notices of the Royal Astronomical Society, Volume 499, Issue 4, pp.5022-5046, October 2020
The PHLEK Survey: A New Determination of the Primordial Helium Abundance2005.12290v1 · Tiffany Hsyu, Ryan J. Cooke, J. Xavier Prochaska et al.2020 · 113 citationsarXiv
PypeIt: The Python Spectroscopic Data Reduction Pipeline2005.06505v2 · J. Xavier Prochaska, Joseph F. Hennawi, Kyle B. Westfall et al.2020 · 476 citationsarXiv
A limit on Planck-scale froth with ESPRESSO2001.06016v1 · Ryan Cooke, Louise Welsh, Michele Fumagalli et al.2020 · 6 citationsarXivon Valency
A bound on the 12C/13C ratio in near-pristine gas with ESPRESSO2001.04983v1 · Louise Welsh, Ryan Cooke, Michele Fumagalli et al.2020 · 26 citationsarXiv
Determining the primordial helium abundance and UV background using fluorescent emission in star-free dark matter haloes1912.06163v1 · Calvin Sykes, Michele Fumagalli, Ryan Cooke et al.2019 · 1 citationarXiv
The ACCELERATION programme: I. Cosmology with the redshift drift1912.04983v1 · Ryan Cooke2019 · 25 citationsarXiv
MUSE Analysis of Gas around Galaxies (MAGG) -- I: Survey design and the environment of a near pristine gas cloud at z~3.51910.13458v1 · Emma K. Lofthouse, Michele Fumagalli, Matteo Fossati et al.2019 · 62 citationsarXiv
The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.51909.04672v2 · M. Fossati, M. Fumagalli, E.K. Lofthouse et al.2019 · 61 citationsarXiv
Modelling the chemical enrichment of Population III supernovae: The origin of the metals in near-pristine gas clouds1906.00009v2 · Louise Welsh, Ryan Cooke, Michele Fumagalli2019 · 23 citationsarXiv
Fluorescent rings in star-free dark matter haloes1905.00430v1 · Calvin Sykes, Michele Fumagalli, Ryan Cooke et al.2019 · 7 citationsarXiv
Big Bang Nucleosynthesis and Neutrino Cosmology1903.09187v3 · Evan B. Grohs, J. Richard Bond, Ryan J. Cooke et al.2019 · 7 citationsarXiv
The MUSE Ultra Deep Field (MUDF). I. Discovery of a group of Ly nebulae associated with a bright quasar pair1903.00483v2 · E. Lusso (Durham-CEA), M. Fumagalli, M. Fossati et al.2019 · 42 citationsarXiv
Measurement of the primordial helium abundance from the intergalactic medium1810.06561v1 · Ryan Cooke, Michele Fumagalli2018 · 64 citationsarXiv
Searching for the Lowest Metallicity Galaxies1807.04289v1 · Tiffany Hsyu, Ryan J. Cooke, J. Xavier Prochaska et al.2018 · 1 citationarXiv
One percent determination of the primordial deuterium abundance1710.11129v3 · Ryan Cooke, Max Pettini, Charles C. Steidel2017 · 559 citationsarXiv
Discovery of the most metal-poor damped Lyman-alpha system1701.03103v1 · Ryan Cooke, Max Pettini, Charles C. Steidel2017 · 51 citationsarXiv
Origins of carbon-enhanced metal-poor stars1611.03868v4 · Mahavir Sharma, Tom Theuns, Carlos S. Frenk et al.2016 · 22 citationsarXiv
The Primordial Abundance of Deuterium: Ionization correction1510.03867v1 · Ryan Cooke, Max Pettini2015 · 0 citationsarXiv
Unveiling the Secrets of Metallicity and Massive Star Formation Using DLAs along Gamma-ray Bursts1408.3578v2 · A. Cucchiara, M. Fumagalli, M. Rafelski et al.2014 · 84 citationsarXiv
The most metal-poor damped Lyman alpha systems: An insight into dwarf galaxies at high redshift1406.7003v2 · Ryan Cooke, Max Pettini, Regina A. Jorgenson2014 · 75 citationsarXiv
Precision measures of the primordial abundance of deuterium1308.3240v2 · Ryan Cooke, Max Pettini, Regina A. Jorgenson et al.2013 · 344 citationsarXiv
The explosion energy of early stellar populations: The Fe-peak element ratios in low metallicity damped Lyman-alpha systems1211.2805v3 · Ryan Cooke, Max Pettini, Regina A. Jorgenson et al.2012 · 16 citationsarXiv
Career total: 93 works. 59 are in this corpus.Showing the 50 most recent.
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