Oukaimeden Observatory: detection of exoplanet HD 189733b by the transit method

Details Oukaimeden Observatory: detection of exoplanet HD 189733b by the transit method Oukaimeden Observatory: detection of exoplanet HD 189733b by the transit method

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010spie.7735e.270d&link_type=abstract

Ground-based and Airborne Instrumentation for Astronomy III. Edited by McLean, Ian S.; Ramsay, Suzanne K.; Takami, Hideki. Pro

Astronomy and Astrophysics

Astronomy

Scientific paper

In this paper we report the detection and characterization of HD 189733b, the peculiarity of this exoplanet is that the flow of the target star is decreased significantly (~ 3%) during the transit. We determined the radius of the exoplanet 1.27 +/- 0.03 RJ, the impact parameter 0.70 +/- 0.02, and the inclination of the orbit 85.4 +/- 0.1°. The transit of the extrasolar planet HD 189733b is already done using the larger telescope. In this study, we used during the observation a telescope of modest size.

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