Rotating Stars and Revolving Planets: Bayesian Exploration of the Pulsating Sky

Details Rotating Stars and Revolving Planets: Bayesian Exploration of the Pulsating Sky Rotating Stars and Revolving Planets: Bayesian Exploration of the Pulsating Sky

2011-07-28

arxiv.org/abs/1107.5805v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

28 pages, 6 figures. Invited discussion paper for the Ninth Valencia International Conference on Bayesian Statistics (discussa

Scientific paper

10.1093/acprof:oso/9780199694587

I describe ongoing work on development of Bayesian methods for exploring periodically varying phenomena in astronomy, addressing two classes of sources: pulsars, and extrasolar planets (exoplanets). For pulsars, the methods aim to detect and measure periodically varying signals in data consisting of photon arrival times, modeled as non-homogeneous Poisson point processes. For exoplanets, the methods address detection and estimation of planetary orbits using observations of the reflex motion "wobble" of a host star, including adaptive scheduling of observations to optimize inferences.

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