A Photometric Transit Search for Planets around Cool Stars from the Italian Alps: Results from a Feasibility Study
Abstract
A feasibility study was carried out at the Astronomical Observatory of the Autonomous Region of the Aosta Valley demonstrating that it is a well-poised site to conduct an upcoming observing campaign aimed at detecting small-size (R<RNeptune) transiting planets around nearby cool M dwarf stars. Three known transiting planet systems were monitored from May to August 2009 with a 25 cm f/3.8 Maksutov telescope. We reached seeing-independent, best-case photometric RMS less than 0.003 mag for stars with V<13, with a median RMS of 0.006 mag for the whole observing period.
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