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Detecting Exoplanets using Bayesian Object Detection

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Detecting objects from noisy data-sets is common practice in astrophysics. Object detection presents a particular challenge in terms of statistical inference, not only because of its multi-modal nature but also because it combines both the parameter estimation (for characterizing objects) and model selection problems (in order to quantify the detection). Bayesian inference provides a mathematically rigorous solution to this problem by calculating marginal posterior probabilities of models with different number of objects. I will discuss several Bayesian approaches to object detection problems and describe some recent applications these methods in the detection of exoplanets.

This talk is part of the Exoplanet Seminars series.

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