The New Mexico Tech Extrasolar Spectroscopic Survey Instrument (NESSI)

Details The New Mexico Tech Extrasolar Spectroscopic Survey Instrument (NESSI) The New Mexico Tech Extrasolar Spectroscopic Survey Instrument (NESSI)

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21538704c&link_type=abstract

American Astronomical Society, AAS Meeting #215, #387.04; Bulletin of the American Astronomical Society, Vol. 42, p.602

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the design and scientific objectives behind NESSI, a near-infrared spectroscopic purpose-built for studying exoplanet atmospheres. This instrument is being designed and assembled by a team of scientists and engineers at New Mexico Tech (NMT), the Magdalena Ridge Observatory (MRO) and NASA's Jet Propulsion Lab (JPL), and is scheduled for deployment in late 2010 at the MRO 2.4m telescope. NESSI's unique design is driven by recent space and ground-based NIR spectroscopy of exoplanet atmospheres by members of our team. Optimization of the instrument to achieve 0.01% relative accuracies in spectra of exoplanetary molecular constituents requires careful attention to certain design features and a new technical approach. We present an overview of NESSI's design, including the four major subassemblies: 1) a field derotator, 2) a reimaging module, 3) an optical guiding module, and 4) a multi-object spectrograph subassembly. We also present an overview of our science program specifically designed to build the community of exoplanet researchers and students in NM. The financial support of our team and NESSI itself have been made possible by a NM NASA EPSCoR grant, matching funds from the NMT administration, and internal support for the NESSI hardware from Dr. Van Romero, NMT's Research Vice-President.

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