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Information × Registration Number 0120U105012, ( 0221U101595  0221U105951  0221U106740  0223U005577  ) R & D request Title Detection and analysis of the cometary activity in extrasolar planetary systems Head Pavlenko Yakiv V., Доктор фізико-математичних наук Registration Date 20-11-2020 Organization Main Astronomical Observatory of the National Academy of Sciences of Ukraine popup.description1 Based on the successful preliminary results of the search for the manifestation of exocomet activity and theoretical developments, we propose a project focused mainly on two aspects. The first one is an application of alternative methods of the data processing to perform analysis of the TESS space mission data. We suggest using the machine learning methods for morphological classification of minima in lightcurves of stars, probably due to the phenomenon of a comet transit. Our project will be the first one implementing the machine learning methods for morphological classification of transits. The second aspect includes reproducing the shape of the lightcurve of a star during the exocomet transit, using the modelling of dusty comet atmosphere. This approach allows us to estimate some physical parameters of exocometary dust, such as particle size distribution, real and imaginary parts of the refractive index of cometary dust as well as the dust production rate of the exocomet nucleus. popup.nrat_date 2024-12-10 Close