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Hans Publishers, Astronomy & Astrophysics, (527), p. A85

DOI: 10.1051/0004-6361/201015199

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TASTE: The Asiago search for transit timing variations of exoplanets

Journal article published in 2011 by V. Nascimbeni ORCID, G. Piotto ORCID, L. R. Bedin ORCID, M. Damasso
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A promising method for detecting earth-sized exoplanets is the timing analysis of a known transit. The technique allows a search for variations in either the transit duration or the center induced by the perturbation of a third body, e.g. a second planet or an exomoon. By applying this method, the TASTE (The Asiago search for transit timing variations of Exoplanets) project will collect high-precision, short-cadence light curves for a selected sample of transits by using imaging di fferential photometry at the Asiago 1.82 m telescope. The first light curves show that our project can achieve a competitive timing accuracy, as well as a significant improvement of the orbital parameters.We derived refined ephemerides for HAT-P-3b and HAT-P-14b with a timing accuracy of 11 and 25 s, respectively. © ESO 2011.