Near Infrared Spectroscopic Characterisation Of Close Orbiting Extrasolar Giant Planets

Details Near Infrared Spectroscopic Characterisation Of Close Orbiting Extrasolar Giant Planets Near Infrared Spectroscopic Characterisation Of Close Orbiting Extrasolar Giant Planets

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008epsc.conf..864b&link_type=abstract

European Planetary Science Congress 2008, Proceedings of the conference held 21-25 September, 2008 in Münster, Germany. Online a

Physics

Scientific paper

A number of successful mid-infrared detections and studies of close orbiting extrasolar gian t planet atmospheres have been responsible for both driving and informing modelling efforts. With a view to obtaining a fuller understanding of these extreme planets, it would be desira ble to sample the spectral energy distribution at a range of wavelengths. However, to date, no firm detection has been made at near infrared wavelengths or shorter. High resolution spectroscopy is a very powerful tool which is not limited to tansitting syst ems and which has the potential to enable us to characterise the atmospheres of close orbiti ng giant planets. Through use of spectroscopic signal enhancement which enables the extreme flux ratios to be probed, the planet/star contrast ratio, phase function, stellar inclinatio n and therefore mass can all be determined. With a clear detection, it should be possible to distinguish between atmospheric molecular species. In this context, the current status of st udies of the bright systems, HD 75289b, HD 189733b, HD 179949b and Ups And b will be present ed and discussed in light of model predictions.

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