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Spectroscopic analysis of exoplanet atmospheres: Ground-based high-resolution atmospheric characterization of hot Jupiters using near infrared spectroscopy
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This report is exploring the possibility of characterizing hot Jupiter atmospheres using ground-based high-resolution spectroscopy. The ESO CRIRES infrared spectrometer is selected as the observing tool. Simulated observations are computed for known transiting systems. The properties of observations (noise, spectral coverage, resolution) are estimated with the CRIRES Exposure Time Calculator. An inverse method is used for reconstructing the transmission spectra of exoplanetary atmospheres and identifying spectral features. The possibility of using this method for non-transiting systems is examined. Three exoplanets are deemed possible to reconstruct the spectrum of.

Abstract [sv]

Den här rapporten studerar möjligheten att karaktärisera heta Jupiter atmosfärer genom att använda markbaserad högupplöst spektroskopi. ESO:s CRIRES infraröda spektrometer används som observeringsvektyg. Simulerade observationer beräknas för kända system där planeten genomgår en transit. Flera aspekter kring observationer (brus, våglängdstäckning, upplösning) uppskattas med CRIRES Exposure Time Calculator. En invers metod används för att rekonstruera exoplanetatmosfärers transmissionsspektrum och för att identifiera spektraldrag. Möjligheten att använda den här metoden för system utan transit utforskas. Tre exoplaneter antas vara möjliga att rekonstruera spektrat från.

Place, publisher, year, edition, pages
2015. , 30 p.
Keyword [en]
ground-based high-resolution atmospheric atmosphere characterization hot Jupiters near infrared spectroscopy
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:uu:diva-260488OAI: oai:DiVA.org:uu-260488DiVA: diva2:847297
Educational program
Bachelor Programme in Physics
Available from: 2015-09-14 Created: 2015-08-19 Last updated: 2015-09-14Bibliographically approved

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