In our short duration research project, our team worked upon a target of understanding
& using the theoretical model of the gravitational effects due to the presence of a satellite
in the exo-planetary system using variations in the transit signals (TTV and TDV) of the
target exoplanet, developed back in 2009. Using the model, we derived the expressions for
the instantaneous variations of the signals and used them to confirm theoretically that the
phase difference between the above mentioned signals for the possible exomoon candidates
should be π/2. Further, we used this criteria along with some other parametric constraints
like SNR value and the Standard deviation to short-list the possible candidates to check
for the further possibility of the presence of an exomoon. Working with 2016 data set shows
that only 1.9% of the candidates have the quoted phase difference, we’ve tried to draw
some theoretical conclusions which can be used to further analyse the reason behind the
discrepancy between the prediction and the data-analysis. We’re also eagerly waiting to try
the data-analysis process with the latest data-set to gain better insights in the outcome.

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