Improving light curve parameters of exoplanets based on TESS data

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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

Citation
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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