The Discovery of 25 μm Interstellar Methanol

The Discovery of 25 μm Interstellar Methanol

We present the first astrophysical detection of methanol (CH _3 OH) in the torsional band near 25 μ m. Using high-resolution mid-infrared (MIR) spectroscopy, we identified over 70 gas-phase CH _3 OH absorption lines between 20 and 28 μ m toward the massive protostar NGC 7538 IRS 1 with the Stratosph...

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Bibliographic Details
Main Authors:	Sarah L. Nickerson, Naseem Rangwala, Keeyoon Sung, Xinchuan Huang, Edward J. Montiel, Curtis DeWitt, Valentin J. M. Le Gouellec, Sean W. J. Colgan, Jason Dittmann, José Pablo Fonfría, Graham M. Harper, Kathleen E. Kraemer, Jialu Li, Conor A. Nixon, Maisie Frances Rashman, Clara Sousa-Silva, Alexander G. G. M. Tielens, William D. Vacca
Format:	Article
Language:	English
Published:	IOP Publishing 2025-01-01
Series:	The Astrophysical Journal Letters
Subjects:	Astrochemistry Protostars Star formation Young stellar objects Spectral line lists Molecular spectroscopy
Online Access:	https://doi.org/10.3847/2041-8213/adf632
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