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In-orbit performance of the Herschel/SPIRE imaging Fourier transform spectrometer: lessons learned

Citation:

Naylor, D. A., Baluteau, J. - P., Bendo, G. J., Benielli, D., Fulton, T. R., Gom, B. G., Griffin, M. J., et al. (2014). In-orbit performance of the Herschel/SPIRE imaging Fourier transform spectrometer: lessons learned. In Proc. SPIE (Vol. 9143, pp. 91432D-91432D-15).

Abstract:

The Spectral and Photometric Imaging Receiver (SPIRE) is one of three scientific instruments on board the European Space Agency's Herschel Space Observatory which ended its operational phase on 29 April 2013. The low to medium resolution spectroscopic capability of SPIRE is provided by an imaging Fourier transform spectrometer (iFTS) of the Mach-Zehnder configuration. With their high throughput, broad spectral coverage, and variable resolution, coupled with their well-defined instrumental line shape and intrinsic wavelength and intensity calibration, iFTS are becoming increasingly common in far-infrared space astronomy missions. The performance of the SPIRE imaging spectrometer will be reviewed and example results presented. The lessons learned from the measured performance of the spectrometer as they apply to future missions will be discussed.

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