2024
DOI: 10.1126/science.adq6391
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Detection of interstellar 1-cyanopyrene: A four-ring polycyclic aromatic hydrocarbon

Gabi Wenzel,
Ilsa R. Cooke,
P. Bryan Changala
et al.

Abstract: Polycyclic aromatic hydrocarbons (PAHs) are organic molecules containing adjacent aromatic rings. Infrared emission bands show that PAHs are abundant in space, but only a few specific PAHs have been detected in the interstellar medium. We detect 1-cyanopyrene, a cyano-substituted derivative of the related four-ring PAH pyrene, in radio observations of the dense cloud TMC-1 using the Green Bank Telescope. The measured column density of 1-cyanopyrene is … Show more

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