549 citations · 2.8k across the 45 of their papers we have counts for
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astro-ph.CO2010★ 83 cited
A Carbon-enhanced Metal-poor Damped Lyman alpha System: Probing Gas from Population III Nucleosynthesis?
Ryan Cooke, Max Pettini, Charles C. Steidel +2
We present high resolution observations of an extremely metal-poor damped Lyman-alpha system, at z_abs = 2.3400972 in the spectrum of the QSO J0035-0918, exhibiting an abundance pa…
astro-ph.CO2010★ 48 cited
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
The sightline to the brighter member of the gravitationally lensed quasar pair UM 673A,B intersects a damped Lyman-alpha system (DLA) at z = 1.62650 which, because of its low redsh…