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arXiv 0709.3727astro-ph
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Transdet:一种基于匹配滤波器的过境检测算法--应用于模拟COROT光变曲线

Transdet: a matched-filter based algorithm for transit detection - application to simulated COROT light curves

P. Bordé, F. Fressin, M. Ollivier, A. Léger, D. Rouan

摘要:

我们提出了一个基于匹配滤波器的过境检测算法及其应用于模拟COROT光变曲线。该算法源于Bordé,Rouan & Léger(2003)的工作。我们描述了不同的步骤,我们打算采取区分行星和恒星的同伴使用三个测光波段COROT提供的。这些步骤包括寻找二次凌日、寻找椭球变率和研究凌日色度。我们还讨论了这种方法的性能在COROT系外行星联盟内组织的盲测的背景下。

英文摘要:

We present a matched-filter based algorithm for transit detection and its application to simulated COROT light curves. This algorithm stems from the work by Bordé, Rouan & Léger (2003). We describe the different steps we intend to take to discriminate between planets and stellar companions using the three photometric bands provided by COROT. These steps include the search for secondary transits, the search for ellipsoidal variability, and the study of transit chromaticity. We also discuss the performance of this approach in the context of blind tests organized inside the COROT exoplanet consortium.

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