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Resource Record Summary

Catalog Service:
ExoMol Molecular linelists. XXXIII. TiO

Short name: J/MNRAS/488/2836
IVOA Identifier: ivo://CDS.VizieR/J/MNRAS/488/2836Publisher: CDS[+][Pub. ID]
More Info: http://cdsarc.unistra.fr/cgi-bin/cat/J/MNRAS/488/2836
VO Compliance: Level 2: This is a VO-compliant resource.
Status: active
Registered: 2019 Aug 30 12:45:10Z
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Description


Accurate line lists are crucial for correctly modelling a variety of astrophysical phenomena, including stellar photospheres and the atmospheres of extra-solar planets. This set presents a new line database ToTo for the five main isotopologues of titanium oxide (TiO. The TiO line list contains transitions with wave-numbers up to 30000cm^-1^ ie long-wards of 0.33um. The ToTo line list includes all dipole-allowed transitions between 13 low-lying electronic states (X, a, d, E, A, B, C, b, c, f, e). Ab initio potential energy curves (PECs) are computed at the icMRCI level and combined with spin-orbit and other coupling curves. These PECs and couplings are iteratively refined to match known empirical energy levels. Accurate line intensities are generated using ab initio dipole moment curves. The ToTo line lists are appropriate for temperatures below 5000K and contain 30 million transitions for TiO. Tests of the line lists show greatly improved agreement with observed spectra for objects such as M-dwarfs GJ876 and GL581.

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Developed with the support of the National Science Foundation
under Cooperative Agreement AST0122449 with the Johns Hopkins University
The NAVO project is a member of the International Virtual Observatory Alliance

This NAVO Application is hosted by the Space Telescope Science Institute

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