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Placing limits on the transit timing variations of circumbinary exoplanets
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Armstrong, David J., Martin, D. V., Brown, G., Faedi, Francesca, Gómez Maqueo Chew, Y., Mardling, R., Pollacco, Don, Triaud, A. H. M. J. and Udry, S. (2013) Placing limits on the transit timing variations of circumbinary exoplanets. Monthly Notices of the Royal Astronomical Society, Volume 434 (Number 4). pp. 3047-3054. doi:10.1093/mnras/stt1226 ISSN 0035-8711.
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Official URL: http://dx.doi.org/10.1093/mnras/stt1226
Abstract
We present an efficient analytical method to predict the maximum transit timing variations of a circumbinary exoplanet, given some basic parameters of the host binary. We derive an analytical model giving limits on the potential location of transits for coplanar planets orbiting eclipsing binaries, then test it against numerical N-body simulations of a distribution of binaries and planets. We also show the application of the analytic model to Kepler-16b, -34b and -35b. The resulting method is fast, efficient and is accurate to approximately 1 per cent in predicting limits on possible times of transits over a 3-yr observing campaign. The model can easily be used to, for example, place constraints on transit timing while performing circumbinary planet searches on large data sets. It is adaptable to use in situations where some or many of the planet and binary parameters are unknown.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||
| Publisher: | Oxford University Press | ||||
| ISSN: | 0035-8711 | ||||
| Official Date: | 1 October 2013 | ||||
| Dates: |
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| Volume: | Volume 434 | ||||
| Number: | Number 4 | ||||
| Page Range: | pp. 3047-3054 | ||||
| DOI: | 10.1093/mnras/stt1226 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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