期刊
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
卷 189, 期 2, 页码 341-351出版社
IOP Publishing Ltd
DOI: 10.1088/0067-0049/189/2/341
关键词
astrochemistry; ISM: lines and bands; methods: laboratory; methods: numerical; molecular data; techniques: spectroscopic
资金
- Netherlands Organization for Scientific Research (NWO) [R 78405]
- Spanish Ministry of Science and Innovation
- NASA
The astronomical emission features, formerly known as the unidentified infrared bands, are now commonly ascribed to polycyclic aromatic hydrocarbons (PAHs). The laboratory experiments and computational modeling done at the NASA Ames Research Center to create a collection of PAH IR spectra relevant to test and refine the PAH hypothesis have been assembled into a spectroscopic database. This database now contains over 800 PAH spectra spanning 2-2000 mu m (5000-5 cm(-1)). These data are now available on the World Wide Web at www.astrochem.org/pahdb. This paper presents an overview of the computational spectra in the database and the tools developed to analyze and interpret astronomical spectra using the database. A description of the online and offline user tools available on the Web site is also presented.
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