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The Echelon-cross-Echelle Spectrograph for SOFIA

Published online by Cambridge University Press:  25 November 2011

M. Röllig ,
R. Simon ,
V. Ossenkopf ,
J. Stutzki ,
M.J. Richter ,
A. Seifahrt ,
M. McKelvey  and
P. Zell
M.J. Richter
Affiliation:
Physics Department, UC Davis, 1 Shields Ave, Davis, California 95616, USA
A. Seifahrt
Affiliation:
Physics Department, UC Davis, 1 Shields Ave, Davis, California 95616, USA
M. McKelvey
Affiliation:
NASA Ames Research Center, Moffett Field, CA 94035, USA
P. Zell
Affiliation:
NASA Ames Research Center, Moffett Field, CA 94035, USA
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Abstract

The Echelon-cross-Echelle Spectrograph (EXES), one of the first generation instruments for the Statospheric Observatory for Infrared Astronomy (SOFIA) will provide a unique tool for examining the ISM and star formation. The EXES high spectral resolution mode, R  ≤  120 000 from 4.5 μm to 28.3 μm, is designed for line observations of gas-phase molecules. The improved atmospheric transmission guaranteed by SOFIA will make observations of molecules such as H2O and CH4 fairly routine. EXES will also have medium and low resolution modes to enable a wide range of science projects. EXES is a PI instrument open for collaborative proposals following the model of the successful TEXES instrument (Lacy et al. 2002). It is currently scheduled for first science flights on SOFIA in 2013.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 52: Conditions and Impact of Star Formation , 2011 , pp. 263 - 266
Copyright
© EAS, EDP Sciences 2011

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References

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