https://doi.org/10.1051/epjconf/20134701002
Hot Jupiters around M dwarfs
A sensitivity analysis of the WFCAM Transit Survey
1 Institute of Astronomy, University of Cambridge, Cambridge CB3 0HA, UK
2 Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK
3 Centro de Astrobiologí a, Inst. Nacional de Técnica Aeroespacial, 28850 Torrejón de Ardoz, Madrid, Spain
4 Leiden Observatory, Universiteit Leiden, Niels Bohrweg 2, 2333 CA Leiden, The Netherlands
5 Max-Planck-Institut für extraterrestrische Physik, Giessenbachstraße, 85748 Garching, Germany
6 Instituto de Astrofí sica de Canarias, C/ Ví a Láctea s/n, 38205 La Laguna (Tenerife), Spain
a e-mail: gkovacs@ast.cam.ac.uk
The WFCAM Transit Survey (WTS) is a near-infrared transit survey running on the United Kingdom Infrared Telescope (UKIRT). We conduct Monte Carlo transit injection and detection simulations for short period (<10 day) Jupiter-sized planets to characterize the sensitivity of the survey. We investigate the recovery rate as a function of period and magnitude in 2 hypothetical star-planet cases: M0–2 + hot Jupiter, M2–4 + hot Jupiter. We find that the WTS lightcurves are very sensitive to the presence of Jupiter-sized short-period transiting planets around M dwarfs. The non-detection of a hot-Jupiter around an M dwarf by the WFCAM Transit Survey allows us to place a firm upper limit of 1.9 per cent (at 95 per cent confidence) on the planet occurrence rate.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
