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A beautiful spectrum of CH3+ by JWST in a protoplanetary disk by Berne et al. (2023) doi.org/10.1038/s41586… (from June). Methyl cation is not in ExoMol, but is it needed?

Line list updates: The LaO line list has been extended to include the A-X band by Bernath et al. iopscience.iop.org/article/10.384… , see exomol.com/data/molecules…

ExoMol tea journal club: Thermal radiation at high-temperature and high-pressure conditions: Validation of HITEMP-2010 for carbon dioxide Dammann et al. doi.org/10.1016/j.jqsr… Accurate experimental hot cross sections of CO2

ExoMol tea journal club: Special guest from UNSW Samuel Pitman: Ramp it up!

ExoMol tea journal club: Resetting tropospheric OH and CH4 lifetime with ultraviolet H2O absorption Prather and Zhu, Science 2024 science.org/doi/10.1126/sc… More water in the ultraviolet region (290 to 350 nm) imply reductions in sunlight with key photolysis rates decreasing

ExoMol tea Journal club: Molecules in Cool Stars: The A2Π − X2Σ+ and the B2Σ+ − X2Σ+ Band Systems of CaCl Lavy & Bernath ApJ 2024 iopscience.iop.org/article/10.384… with a new accurate empirical line list for CaCl important for Cool red giant stars. It is not in ExoMol yet but will be

ExoMol tea Journal club: Updated Spectral Characteristics for the Ultracool Dwarf TRAPPIST-1 from Davoudi et al. ApJL 2024 iopscience.iop.org/article/10.384… with amazing high res spectra containing many ExoMol molecules

ExoMol tea: "Measurements of line strength of the ν1 transitions of OH" by Chang et al . (2023) doi.org/10.1063/5.0176… "Our absolute line strengths of the OH ν1 transitions are of <10% and they are lower than those in HITRAN database by a factor of ∼1.4. " 🤔

@exomol tea: Ionospheric irregularities at Jupiter observed by JWST by Melin et al. doi.org/10.1038/s41550… "JWST has revealed unexpected and complex emissions structures in the upper atmosphere of Jupiter, above the Great Red Spot."

#ExoMoltea Experimental temperature- and pressure-dependent absorbance cross sections and a pseudo-line-list model for methyl formate near 5.7μm by Su et al. doi.org/10.1016/j.jqsr…

#exomoltea Today's spectrle 😜 What @exomol molecule is this? Hint: it is a diatomic.

#exomoltea Dr Tom's dingbat from today:

New ExoMol hot line lists for NO2 and its isotopologues with temperature dependent opacities arxiv.org/abs/2409.19447 See exomol.com/data/molecules… (Sergey Yurchenko, Tom Mellor, Jonathan Tennyson)

Spectroscopy of Exoplanets Over All Wavelengths ExoMol Conference 3rd Announcement 2025 June 26-29 High Leigh Conference Centre in Hertfordshire (near London) A meeting at which observers and those measuring or calculating molecular data exchange ideas exomol.com/activities/con…