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Title:
High-cadence transit timing observations of extrasolar planets
Authors:
Ivanov, V. D.; Caceres, C.; Naef, D.; Mason, E.; Selman, F.; Melo, C.; Minniti, D.; Pietrzynski, G.
Affiliation:
AA(ESO, Alonso de Cordova 3107, Santiago 19, Chile), AB(Department of Astronomy, Pontificia Universidad Católica, Santiago 22, Chile), AC(ESO, Alonso de Cordova 3107, Santiago 19, Chile), AD(ESO, Alonso de Cordova 3107, Santiago 19, Chile), AE(ESO, Alonso de Cordova 3107, Santiago 19, Chile), AF(ESO, Alonso de Cordova 3107, Santiago 19, Chile), AG(Department of Astronomy, Pontificia Universidad Católica, Santiago 22, Chile), AH(Department of Physics, Astronomy Group, Universidad de Concepción, Casilla 160-C, Concepción, Chile and Warsaw University Observatory, PL-00-478, Warsaw, Poland)
Publication:
HIGH TIME RESOLUTION ASTROPHYSICS: The Universe at Sub-Second Timescales. AIP Conference Proceedings, Volume 984, pp. 83-90 (2008). (AIPC Homepage)
Publication Date:
02/2008
Origin:
AIP
PACS Keywords:
Extrasolar planetary systems, Astronomical observations, Astronomical and space-research instrumentation, Eclipses, transits, and occultations
DOI:
10.1063/1.2896949
Bibliographic Code:
2008AIPC..984...83I

Abstract

Observations of fast varying phenomena are often hampered by large ``dead'' times between the exposures, necessary for technological reasons. However, even the existing infrared detectors are able to deliver duty cycles >=99%. Here we describe how high-cadence transit timing allows to probe for the presence of additional bodies in the system of known transiting planets. We report transit timing observations of two extrasolar planets. We also review the available instrumentation at the European Southern Observatory that is capable of such observations.
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