MARVEL Analysis of the Measured High-Resolution Rovibronic Spectra of 90Zr16O

The Astrophysical Journal 867.1 (2018): 33 Zirconium oxide(ZrO) is an important astrophysical molecule that defines the S-star classification class for cool giant stars. Accurate, empirical rovibronic energy levels, with associated labels and uncertainties, are reported for 9 low-lying electronic st...

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Hauptverfasser: McKemmish, Laura K, Borsovszky, Jasmin, Goodhew, Katie L, Sheppard, Samuel, Bennett, Aphra F V, Martin, Alfie D J, Singh, Amrik, Sturgeon, Callum A J, Furtenbacher, Tibor, Csaszar, Attila G, Tennyson, Jonathan
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Sprache:eng
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Zusammenfassung:The Astrophysical Journal 867.1 (2018): 33 Zirconium oxide(ZrO) is an important astrophysical molecule that defines the S-star classification class for cool giant stars. Accurate, empirical rovibronic energy levels, with associated labels and uncertainties, are reported for 9 low-lying electronic states of the diatomic 90Zr16O molecule. These 8088 empirical energy levels are determined using the Marvel (Measured Active Rotational-Vibrational Energy Levels) algorithm with 23 317 input assigned transition frequencies, 22 549 of which were validated. A temperature-dependent partition function is presented alongside updated spectroscopic constants for the 9 low-lying electronic states.
DOI:10.48550/arxiv.1811.01511