The oversampling mode for CoRoT exo-field observations

C. Surace; R. Alonso; P. Barge; R. Cautain; P. Y. Chabaud; M. Deleuil; T. Fenouillet; J. C. Meunier; C. Moutou

doi:10.1117/12.789334

15 July 2008 The oversampling mode for CoRoT exo-field observations

C. Surace, R. Alonso, P. Barge, R. Cautain, P. Y. Chabaud, M. Deleuil, T. Fenouillet, J. C. Meunier, C. Moutou

Proceedings Volume 7019, Advanced Software and Control for Astronomy II; 70193B (2008) https://doi.org/10.1117/12.789334
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

CoRoT (Convection, Rotation and planetary Transits) is a satellite mission led by CNES. CoRot has been successfully launched on December 27th of 2006. One of its goals is to discover new exo-planets using the transit method. It observes stars and sample their emission light every 512 seconds leading to observing runs of 12000 light curves over a 6 months period. For each run, 1000 of these light curves can be over-sampled up to 32 second allowing a transit detection. In order to select the targets to be over-sampled, the ground segment team at LAM set up an infrastructure to get and analyse preliminary N1 data within a week delay. The selected target are ordered in a list transmitted to the "Centre de Mission Corot" (CMC). We present the infrastructure of the over-sampling mode, the over-sampling software used for detection in raw light-curves and the mechanisms of list ordering and selection. This paper describes as well the feed back over the past one and a half year of operation.

Citation Download Citation

C. Surace, R. Alonso, P. Barge, R. Cautain, P. Y. Chabaud, M. Deleuil, T. Fenouillet, J. C. Meunier, and C. Moutou "The oversampling mode for CoRoT exo-field observations", Proc. SPIE 7019, Advanced Software and Control for Astronomy II, 70193B (15 July 2008); https://doi.org/10.1117/12.789334

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