Improving light curve parameters of exoplanets based on TESS data

• Authors: GAJDOŠ P.; MALIUK A.; VÍTKOVÁ Michaela; PARVIAINEN H.
• Year of publication: 2021
• Type: Article in Periodical
• Magazine / Source: Contributions of the Astronomical Observatory Skalnaté Pleso
• MU Faculty or unit: Faculty of Science
• web: https://doi.org/10.31577/caosp.2021.51.1.68
• Doi: http://dx.doi.org/10.31577/caosp.2021.51.1.68
• Keywords: Methods: data analysis; Techniques: photometric; Stars: planetary systems; Stars: individual: HAT-P-5; HATS-33; HATS-24
• Description: We revise parameters of four transiting hot Jupiter planets discovered by ground-based surveys. We use follow-up observations carried by TESS mission together with PyTransit software. Space telescopes like TESS provide better coverage and photometry precision than ground-based telescopes. PyTransit is fast and user-friendly exoplanet transit light curve modelling package, implementing optimised versions of the Gimenéz and the Mandel & Agol transit models. After applying PyTransit to TESS data, our results show an improvement in the exoplanets parameters estimation.

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