Ground Based Imaging Spectroscopy of Transiting Extrasolar Planets

Details Ground Based Imaging Spectroscopy of Transiting Extrasolar Planets Ground Based Imaging Spectroscopy of Transiting Extrasolar Planets

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..450...55a&link_type=abstract

Molecules in the Atmospheres of Extrasolar Planets, proceedings of a conference held at Observatoire de Paris, Paris, France 19-

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results of an exploratory study to use near-infrared integral field spectroscopy to observe extrasolar planets. Our concept was tested with a K-Band time series observations of HD209458b and HD189733b obtained with SINFONI at the VLT and OSIRIS at Keck during secondary transits at a spectral resolution of R=3000. In this article we focus on the specific problems of ground-based, high signal-to-noise observations and demonstrate possible solutions for spetral timeseries. An advanced reduction method using elements of a spectral-differential decorrelation is discussed.

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