papers
Publications (19)
astro-ph.CO2012
A new, precise measurement of the primordial abundance of Deuterium
Max Pettini, Ryan Cooke
astro-ph.CO2010
A newly discovered DLA and associated Ly-alpha emission in the spectra of the gravitationally lensed quasar UM 673A,B
Ryan Cooke, Max Pettini, Charles C. Steidel +3
astro-ph.CO2017
Discovery of the most metal-poor damped Lyman-alpha system
Ryan Cooke, Max Pettini, Charles C. Steidel
astro-ph.GA2015
The History of R-Process Enrichment in the Milky Way
Sijing Shen, Ryan Cooke, Enrico Ramirez-Ruiz +3
astro-ph.CO2015
The Primordial Abundance of Deuterium: Ionization correction
Ryan Cooke, Max Pettini
astro-ph.GA2014
Carbon-Enhanced Metal-Poor Stars: Relics from the Dark Ages
Ryan Cooke, Piero Madau
astro-ph.CO2012
A new candidate for probing Population III nucleosynthesis with carbon-enhanced damped Lyman-alpha systems
Ryan Cooke, Max Pettini, Michael Murphy
astro-ph.HE2012
A Broad Iron Line in LMC X-1
James F. Steiner, Rubens C. Reis, Andrew C. Fabian +6
astro-ph.CO2010
A Carbon-enhanced Metal-poor Damped Lyman alpha System: Probing Gas from Population III Nucleosynthesis?
Ryan Cooke, Max Pettini, Charles C. Steidel +2
astro-ph.CO2013
The explosion energy of early stellar populations: The Fe-peak element ratios in low metallicity damped Lyman-alpha systems
Ryan Cooke, Max Pettini, Regina A. Jorgenson +3
astro-ph2007
Spectacular Trailing Streamers near LMC X-1: The First Evidence of a Jet?
Ryan Cooke, Zdenka Kuncic, Rob Sharp +1
astro-ph.CO2018
Measurement of the primordial helium abundance from the intergalactic medium
Ryan Cooke, Michele Fumagalli
astro-ph.CO2013
Precision measures of the primordial abundance of deuterium
Ryan Cooke, Max Pettini, Regina A. Jorgenson +2
astro-ph.GA2019
Fluorescent rings in star-free dark matter haloes
Calvin Sykes, Michele Fumagalli, Ryan Cooke +2
astro-ph.CO2015
Big Bang Nucleosynthesis and the Helium Isotope Ratio
Ryan Cooke
astro-ph.CO2016
The primordial deuterium abundance of the most metal-poor damped Lyman-alpha system
Ryan Cooke, Max Pettini, Kenneth M. Nollett +1
astro-ph.CO2018
One percent determination of the primordial deuterium abundance
Ryan Cooke, Max Pettini, Charles C. Steidel
astro-ph.CO2011
The most metal-poor damped Lyman-alpha systems: Insights into chemical evolution in the very metal-poor regime
Ryan Cooke, Max Pettini, Charles C. Steidel +2
astro-ph.GA2015
The most metal-poor damped Lyman alpha systems: An insight into dwarf galaxies at high redshift
Ryan Cooke, Max Pettini, Regina A. Jorgenson