Marvel Analysis of the Measured High-resolution Rovibronic Spectra of 90Zr16O

Laura K. McKemmish, Jasmin Borsovszky, Katie L. Goodhew, Samuel Sheppard, Aphra F.V. Bennett, Alfie D.J. Martin, Amrik Singh, Callum A.J. Sturgeon, Tibor Furtenbacher, Attila G. Császár, Jonathan Tennyson

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

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 nine low-lying electronic states of the diatomic 90Zr16O molecule. These 8088 empirical energy levels are determined using the Measured Active Rotational-Vibrational Energy Levels algorithm with 23,317 input assigned transition frequencies, 22,549 of which were validated during this study. A temperature-dependent partition function is presented alongside updated spectroscopic constants for the nine low-lying electronic states.

Original languageEnglish
Article number33
JournalAstrophysical Journal
Volume867
Issue number1
DOIs
Publication statusPublished - Nov 1 2018

Keywords

  • astronomical databases: miscellaneous
  • molecular data
  • opacity
  • planets and satellites: atmospheres
  • stars: low-mass

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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    McKemmish, L. K., Borsovszky, J., Goodhew, K. L., Sheppard, S., Bennett, A. F. V., Martin, A. D. J., Singh, A., Sturgeon, C. A. J., Furtenbacher, T., Császár, A. G., & Tennyson, J. (2018). Marvel Analysis of the Measured High-resolution Rovibronic Spectra of 90Zr16O. Astrophysical Journal, 867(1), [33]. https://doi.org/10.3847/1538-4357/aadd19