Gas-phase infrared spectra of hydrogenated and methylated pyrenes, combined with a Monte Carlo cooling model, point to 1,2,3,6,7,8-hexahydropyrene as the carrier of the 3.403 μm component of the interstellar 3.4 μm emission band.
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4 Pith papers cite this work, alongside 122 external citations. Polarity classification is still indexing.
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First ALMA detection of hot cores in RX J1713.7-3946 shows column density ratios of organics, deuterated species, and S/N-bearing molecules indistinguishable from normal hot cores, attributed to recent exposure or magnetic shielding.
Formaldehyde is observed to be 1 to 5 times less abundant than methanol in seven prestellar cores, and a chemical model with an adjusted CH3+O branching ratio can reproduce the ratio only after fitting that ratio to the data.
Hydrogen tunneling makes H-abstraction reactions by C2H, OH, and CN competitive in TMC-1 despite low individual rates, affecting aromatic abundance predictions.
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Survival of Molecular Complexity under Recent Supernova Feedback: Detection of Hot Cores in RX J1713.7-3946
First ALMA detection of hot cores in RX J1713.7-3946 shows column density ratios of organics, deuterated species, and S/N-bearing molecules indistinguishable from normal hot cores, attributed to recent exposure or magnetic shielding.
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The impact of hydrogen atom tunneling on aromatic chemistry in TMC-1
Hydrogen tunneling makes H-abstraction reactions by C2H, OH, and CN competitive in TMC-1 despite low individual rates, affecting aromatic abundance predictions.