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We present design considerations for a ground-based survey for transitingexoplanets around L and T dwarfs, spectral classes that have yet to bethoroughly probed for planets. We simulate photometry for L and T targets witha variety of red-optical and near-infrared detectors, and compare the scatterin the photometry to anticipated transit depths. Based on these results, werecommend the use of a low-dark-current detector with H-band NIR photometriccapabilities. We then investigate the potential for performing a survey forEarth-sized planets for a variety of telescope sizes. We simulate planetarysystems around a set of spectroscopically confirmed L and T dwarfs usingmeasured M dwarf planet occurrence rates from $\textit{Kepler}$, and simulatetheir observation in surveys ranging in duration from 120 to 600 nights,randomly discarding 30% of nights to simulate weather losses. We find that anefficient survey design uses a 2-meter-class telescope with a NIR instrumentand 360-480 observing nights, observing multiple L and T targets each nightwith a dithering strategy. Surveys conducted in such a manner have over an 80%chance of detecting at least one planet, and detect around 2 planets, onaverage. The number of expected detections depends on the true planetoccurrence rate, however, which may in fact be higher for L and T dwarfs thanfor M dwarfs.

Design Considerations for a Ground-Based Search for Transiting Planets around L and T Dwarfs