1.5k citations · 9.3k across the 114 of their papers we have counts for
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astro-ph2004★ 68 cited
How Universal is the Gunn-Peterson Trough at z~6?: A Closer Look at the Quasar SDSS J1148+5251
S. Peng Oh, Steven R. Furlanetto
Detectable flux is visible in the Ly-alpha and Ly-beta troughs of the highest redshift () quasar found to date, SDSS J1148+5251. This has previously been interpreted as con…
astro-ph2004★ 9 cited
Excess Ionization and Soft X-ray Emission from Cooling Flow Clusters
S. Peng Oh
X-ray spectroscopy of cooling-flow clusters reveal an unexpected deficit of soft X-ray emission lines from gas at ~1/3 of the ambient plasma temperature, across a wide range of X-r…
astro-ph2004★ 299 cited
Quasar Feedback: the Missing Link in Structure Formation
Evan Scannapieco, S. Peng Oh
We consider the impact of quasar outflows on structure formation. Such outflows are potentially more important than galactic winds, which appear insufficient to produce the level o…