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On the Current State of Ground-based Transmission Spectroscopy of Planet Atmospheres

Published online by Cambridge University Press:  29 April 2014

Lisa Nortmann ,
Stefan Dreizler  and
Jacob Bean
Lisa Nortmann
Affiliation:
Institut für Astrophysik, Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany email: nortmann@astro.physik.uni-goettingen.de, dreizler@astro.physik.uni-goettingen.de
Stefan Dreizler
Affiliation:
Institut für Astrophysik, Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany email: nortmann@astro.physik.uni-goettingen.de, dreizler@astro.physik.uni-goettingen.de
Jacob Bean
Affiliation:
The Dep. of Astronomy & Astrophysics, University of Chicago, 5640 S. Ellis Ave, Chicago, IL 60637, United States email: jbean@oddjob.uchicago.edu
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Abstract

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In response to the large number of exoplanet detections, the characterization of these planets has become a major focus of exoplanet science. Transiting planets are of particular interest as they allow us to investigate the transmission of their atmospheres. Our group uses ground-based facilities like the ESO/VLT to probe the atmosphere of hot Jupiters with the technique of spectrophotometry. In our preliminary results for the hot Jupiters WASP-17b and WASP-31b we find the reachable precision to be limited by instrumental systematic noise rather than photon noise. We discuss the source of the noise and suggest two approaches to correct it.

Keywords

instrumentation: spectrographsoccultations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S293: Formation, Detection, and Characterization of Extrasolar Habitable Planets , August 2012 , pp. 315 - 318
Copyright
Copyright © International Astronomical Union 2014 

References

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