Abstract

ABSTRACTWe describe a small telescope system, the Berlin Exoplanet Search Telescope (BEST), dedicated to the search for planetary transits of Jupiter‐sized planets on close‐in orbits. This system consists of a commercial 20 cm telescope equipped with a 2048 × 2048 pixel CCD. Observations have been performed for almost 2 years, including a commissioning phase and regular observations. Planetary transit candidates have been found and followed further with radial velocity measurements. One example is discussed here: transit events detected around GSC 3566‐1556 have been identified as being caused by a binary system consisting of a G0 V primary orbited by an M star. The radii of both stars have been determined.

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