activity
20062026
most citedPrecision measures of the primordial abundance of deuterium

342 citations · 1.5k across the 32 of their papers we have counts for

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Showing 2010Show all

5 papers · 1 filter

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★ 28 cited

A cold component and the complex velocity structure of DLA1331+170

R F Carswell, R A Jorgenson, A M Wolfe +1

[ABRIDGED] We examine the velocity structure in the gas associated with \ion{H}{1} in the damped Ly absorption system at redshift towards the QSO using 21c…

astro-ph.CO2010★ 65 cited

Understanding Physical Conditions in High Redshift Galaxies through C I Fine Structure Lines: Data and Methodology

Regina A. Jorgenson, Arthur M. Wolfe, J. Xavier Prochaska

We probe the physical conditions in high redshift galaxies, specifically, the Damped Lyman-alpha Systems (DLAs) using neutral carbon (CI) fine structure lines and molecular hydroge…

astro-ph.CO2010★ 36 cited

Cosmological concordance or chemical coincidence? Deuterated molecular hydrogen abundances at high redshift

J. Tumlinson, A. L. Malec, R. F. Carswell +8

We report two detections of deuterated molecular hydrogen (HD) in QSO absorption-line systems at . Toward J2123-0500, we find (HD) for a sub-DLA with me…

astro-ph.SR2010★ 67 cited

The Transitional Stripped-Envelope SN 2008ax: Spectral Evolution and Evidence for Large Asphericity

R. Chornock, A. V. Filippenko, W. Li +19

Supernova (SN) 2008ax in NGC 4490 was discovered within hours after shock breakout, presenting the rare opportunity to study a core-collapse SN beginning with the initial envelope-…