Investigation of H3+ Emission from Exoplanet Tau Boo

Details Investigation of H3+ Emission from Exoplanet Tau Boo Investigation of H3+ Emission from Exoplanet Tau Boo

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.1011l&link_type=abstract

American Astronomical Society, AAS Meeting #212, #10.11; Bulletin of the American Astronomical Society, Vol. 40, p.529

Astronomy and Astrophysics

Astronomy

1

Scientific paper

In this study, we will report a new upper limit on the luminosity of H3+ emission from the exoplanet host Tau Boo. Using high-resolution NIR spectra data collected with cshell on the IRTF over the course of two nights, our limit of 9.0 x 1017 W pushes down the limit presented by Shkolnik et. Al. (2006) by a factor of approximately 2.5 and rules out the prediction made by Miller et Al. (2000). We do not have the sensitivity to test Yelle's (2004) prediction. This upper limit brings to discussion the feasibility of using ground based high-resolution spectroscopy to study the atmosphere of large Jupiter-like giant exoplanets around neighboring stars.

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