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

A. Daassou; Z. Benkhaldoun; Y. Elazhari; M. Sabil

doi:10.1117/12.856978

20 July 2010 Oukaimeden Observatory: detection of exoplanet HD 189733b by the transit method

A. Daassou, Z. Benkhaldoun, Y. Elazhari, M. Sabil

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77358A (2010) https://doi.org/10.1117/12.856978
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

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.

Citation Download Citation

A. Daassou, Z. Benkhaldoun, Y. Elazhari, and M. Sabil "Oukaimeden Observatory: detection of exoplanet HD 189733b by the transit method", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77358A (20 July 2010); https://doi.org/10.1117/12.856978

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KEYWORDS

Stars

Exoplanets

Planets

Telescopes

Observatories

Target detection

Solar system

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