Johanna Vos
Johanna Vos is an Irish astrophysicist, Associate Professor & Royal Society - SFI University Research Fellow at Trinity College Dublin.[1] She pioneers her research field of exometerology, where she examines the physics of weather phenomenon in extrasolar worlds ranging from brown dwarfs to directly imaged exoplanets with data from the James Webb Space Telescope.[2][3]
Education
Vos completed her B.A. in Physics & Astrophysics in Trinity College Dublin. In 2018, she completed a PhD in astronomy in the University of Edinburgh, under the supervision of Prof. Beth Biller, involving 'Characterising weather and rotation on substellar worlds'.[4][1]
Career
Following the completion of her PhD, Johanna Vos held a five-year postdoctoral fellowship (2018–2023) in the Department of Astrophysics at the American Museum of Natural History (AMNH) in New York City.[5] During her time at AMNH, she developed her distinctive research niche in "exo-meteorology". In 2023, Vos was an appointed a Royal Society - Science Foundation Ireland University Research Fellow at the Dublin Institute for Advanced Studies (DIAS).[6] Later that year, she joined Trinity College Dublin (TCD) as an Assistant Professor and Royal Society University Research Fellow before being promoted to an associate professor at TCD a year later. In 2024, Vos was awarded a prestigious ERC Starting Grant for her project Exometeorology: Probing Extrasolar Atmospheres (Exo-PEA).[7][3][8]
Research
In 2024, Vos was part of an international team that published a major discovery in Nature.[9] The study reported the first detection of strong methane emission from a cold brown dwarf, W1935, indicating a temperature inversion likely caused by auroral heating in the absence of stellar irradiation. Utilizing JWST observations, the work provided the strongest evidence to date for extrasolar aurorae, significantly advancing scientific understanding of atmospheric dynamics in starless, Jupiter-like objects.
References
- ↑ 1.0 1.1 Dublin, Trinity College. "Meet the Researcher – Prof. Johanna Vos - School of Physics | Trinity College Dublin". www.tcd.ie. Retrieved 2025-06-25.
- ↑ "Johanna Vos". Women On Air. Retrieved 2025-06-25.
- ↑ 3.0 3.1 Holowka, Kasia (2024-09-18). "Two Trinity researchers awarded ERC Starting Grants". Trinity News. Retrieved 2025-08-01.
- ↑ Vos, Johanna Maria Catherine (2019-07-01). "Characterising weather and rotation on substellar worlds". The University of Edinburgh.
- ↑ "Johanna Vos". The Planetary Society. Retrieved 2025-06-25.
- ↑ Murray, Sophie. "Dr Johanna Vos – DIAS" (in Gaeilge). Retrieved 2025-06-25.
- ↑ Haughton, Emily (2024-11-06). "How Trinity researchers are leading the search for life beyond our solar system". Trinity News. Retrieved 2025-06-25.
- ↑ Dublin, Trinity College. "Weather in deep space and brain repair – Trinity duo win ERC Starting Grants". www.tcd.ie. Retrieved 2025-08-01.
- ↑ Faherty, J. K.; Burningham, B.; Gagné, J.; Suárez, G.; Vos, J. M.; Alejandro Merchan, S.; Morley, C. V.; Rowland, M.; Lacy, B.; Kiman, R.; Caselden, D.; Kirkpatrick, J. D.; Meisner, A.; Schneider, A. C.; Kuchner, M. J.; Bardalez Gagliuffi, D. C.; Beichman, C.; Eisenhardt, P.; Gelino, C. R.; Gharib-Nezhad, E.; Gonzales, E.; Marocco, F.; Rothermich, A. J.; Whiteford, N. (2024). "JK Faherty et al, Methane Emission From a Cool Brown Dwarf". Nature. 628 (8008): 511–514. doi:10.1038/s41586-024-07190-w. PMC 11023930 Check
|pmc=value (help). PMID 38632480 Check|pmid=value (help).
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