Ferdinand, Raymon (2023) Outgassing and Exoplanet Atmospheres. Bachelor's Thesis, Astronomy.
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Abstract
This research details the effects of outgassing on the atmospheres of rocky exoplanets. The main focus was to quantify differences in atmospheric temperature as a function of pressure as planetary parameters are varied, as well as studying day-night temperature differences by finding the correlation between night to day flux ratio and pressure, and by determining whether these differences can be observed by JWST. Temperature profiles were generated in a program called ARCiS, using the planet TRAPPIST- 1b as a base model, to study changes in temperature behavior for four generic types of plane- tary crust: Continental Crust, Bulk Silicate Earth, MORB and CI-Chondrite. Furthermore, four planetary parameters (mass, albedo, radius and orbital radius) were varied to observe changes with respect to this base model. Increasing planet radius, mass and albedo yielded no significant change with respect to the base model. However, an increase of the orbital radius causes a gradual temperature shift between BSE-atmospheres and CC-atmospheres. It was also found that ARCiS does not seem to generate accurate temperature profiles for atmospheres which are too transparent for thermal emissions.
| Item Type: | Thesis (Bachelor's Thesis) |
|---|---|
| Supervisor name: | Tak, F.F.S. van der and Min, M. |
| Degree programme: | Astronomy |
| Thesis type: | Bachelor's Thesis |
| Language: | English |
| Date Deposited: | 10 Jul 2023 09:49 |
| Last Modified: | 10 Jul 2023 09:49 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/30407 |
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