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An investigation of spectral line stacking techniques and application to the detection of HC11N

https://doi.org/10.1038/s41550-020-01261-4

Loomis, Ryan A.; Burkhardt, Andrew M.; Shingledecker, Christopher N.; Charnley, Steven B.; Cordiner, Martin A.; Herbst, Eric; Kalenskii, Sergei; Lee, Kin Long; Willis, Eric R.; Xue, Ci; et al (February 2021, Nature Astronomy)
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Interstellar detection of the highly polar five-membered ring cyanocyclopentadiene

https://doi.org/10.1038/s41550-020-01213-y

McCarthy, Michael C.; Lee, Kin Long; Loomis, Ryan A.; Burkhardt, Andrew M.; Shingledecker, Christopher N.; Charnley, Steven B.; Cordiner, Martin A.; Herbst, Eric; Kalenskii, Sergei; Willis, Eric R.; et al (February 2021, Nature Astronomy)
null (Ed.)
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Detection of Interstellar HC ₄ NC and an Investigation of Isocyanopolyyne Chemistry under TMC-1 Conditions

https://doi.org/10.3847/2041-8213/aba631

Xue, Ci; Willis, Eric R.; Loomis, Ryan A.; Kelvin Lee, Kin Long; Burkhardt, Andrew M.; Shingledecker, Christopher N.; Charnley, Steven B.; Cordiner, Martin A.; Kalenskii, Sergei; McCarthy, Michael C.; et al (September 2020, The Astrophysical Journal)
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Early Science from GOTHAM: Project Overview, Methods, and the Detection of Interstellar Propargyl Cyanide (HCCCH ₂ CN) in TMC-1

https://doi.org/10.3847/2041-8213/aba632

McGuire, Brett A.; Burkhardt, Andrew M.; Loomis, Ryan A.; Shingledecker, Christopher N.; Kelvin Lee, Kin Long; Charnley, Steven B.; Cordiner, Martin A.; Herbst, Eric; Kalenskii, Sergei; Momjian, Emmanuel; et al (September 2020, The Astrophysical Journal)
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Detection of two interstellar polycyclic aromatic hydrocarbons via spectral matched filtering

https://doi.org/10.1126/science.abb7535

McGuire, Brett A.; Loomis, Ryan A.; Burkhardt, Andrew M.; Lee, Kin Long Kelvin; Shingledecker, Christopher N.; Charnley, Steven B.; Cooke, Ilsa R.; Cordiner, Martin A.; Herbst, Eric; Kalenskii, Sergei; et al (March 2021, Science)

Unidentified infrared emission bands are ubiquitous in many astronomical sources. These bands are widely, if not unanimously, attributed to collective emissions from polycyclic aromatic hydrocarbon (PAH) molecules, yet no single species of this class has been identified in space. Using spectral matched filtering of radio data from the Green Bank Telescope, we detected two nitrile-group–functionalized PAHs, 1- and 2-cyanonaphthalene, in the interstellar medium. Both bicyclic ring molecules were observed in the TMC-1 molecular cloud. In this paper, we discuss potential in situ gas-phase PAH formation pathways from smaller organic precursor molecules.
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