Ground-based Spectroscopic Characterization of Close-in Exoplanets

Details Ground-based Spectroscopic Characterization of Close-in Exoplanets Ground-based Spectroscopic Characterization of Close-in Exoplanets

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010lyot.confe..26b&link_type=abstract

Proceedings of the conference In the Spirit of Lyot 2010: Direct Detection of Exoplanets and Circumstellar Disks. October 25 -

Computer Science

Scientific paper

We are using high-contrast, high-resolution spectroscopy from ground-based facilities to directly detect and characterize the atmospheres of close-in exoplanets. These measurements complement space-based direct detections by probing planets and spectral regions inaccessible to current space-based instruments. Observations with the NIRSPEC spectrometer on the Keck II telescope have recently yielded a direct detection of the non-transiting Neptune mass exoplanet 55 Cancri E at 3 microns. We are currently extending the program to additional targets and facilities, including the High-Resolution Spectrograph on the Hobby Eberly Telescope. I will describe our techniques for achieving very high signal-to-noise spectroscopy and the procedure for disentangling the planet and stellar spectra. I will also present our most recent results from 55 Cancri and additional systems we have been observing.

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