Observational Window Functions in Planet Transit Surveys

Details Observational Window Functions in Planet Transit Surveys Observational Window Functions in Planet Transit Surveys

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21443403v&link_type=abstract

American Astronomical Society, AAS Meeting #214, #434.03; Bulletin of the American Astronomical Society, Vol. 41, p.705

Mathematics

Probability

Scientific paper

Window functions describe the probability that an existing planetary transit is detectable in one's data as a function of orbital period. A variety of observing strategies and astrophysical parameters influence this probability in different ways. We give a quantitative insight into this relatively big parameter space spanned by aspects such as the observing cadence, depth and duration of planetary transit, number of nights in an observing run, etc. In our simulations of window functions, we explicitly address non-correlated (gaussian or white) noise and correlated (red) noise and discuss how these two different noise components affect window functions in different manners. We furthermore discuss the consequence of competing effects on transit detectability, and we examine the efficiency of a few selected surveys with respect to certain regions of parameter space.

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