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

Author

Oschmann, Jacobus M., Clampin, Mark, Fazio, Giovanni G., MacEwen, Howard A., Naylor, David A., Baluteau, Jean-Paul, Bendo, George J., Benielli, Dominique, Fulton, Trevor R., Gom, Brad G., Griffin, Matthew J., Hopwood, Rosalind, Imhof, Peter, Lim, Tanya L., Lu, Nanyao, Makiwa, Gibion, Marchili, Nicola, Orton, Glenn S., Papageorgiou, Andreas, Pearson, Chris, Polehampton, Edward T., Schulz, Bernhard, Spencer, Locke D., Swinyard, Bruce M., Valtchanov, Ivan, van der Wiel, Matthijs H. D., Veenendaal, Ian T., and Wu, Ronin

Published
2014
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6. Beam profile for the Herschel–SPIRE Fourier transform spectrometer

Author

Makiwa, Gibion, Naylor, David A., Ferlet, Marc, Salji, Carl, Swinyard, Bruce, Polehampton, Edward, and van der Wiel, Matthijs H. D.

Abstract

One of the instruments on board the Herschel Space Observatory is the Spectral and Photometric Imaging Receiver (SPIRE). SPIRE employs a Fourier transform spectrometer with feed-horn-coupled bolometers to provide imaging spectroscopy. To interpret the resultant spectral images requires knowledge of the wavelength-dependent beam, which in the case of SPIRE is complicated by the use of multimoded feed horns. In this paper we describe a series of observations and the analysis conducted to determine the wavelength dependence of the SPIRE spectrometer beam profile.

Published
2013

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