The ISO Long-Wavelength Spectrometer

Clegg, P. E.; Ade, P. A. R.; Armand, C.; Baluteau, J.-P.; Barlow, M. J.; Buckley, M. A.; Berges, J.-C.; Burgdorf, M.; Caux, E.; Ceccarelli, C.; Cerulli, R.; Church, S. E.; Cotin, F.; Cox, P.; Cruvellier, P.; Culhane, J. L.; Davis, G. R.; Di Giorgio, A.; Diplock, B. R.; Drummond, D. L..; Emery, R. J.; Ewart, J. D.; Fischer, J.; Furniss, I.; Glencross, W. M.; Greenhouse, M. A.; Griffin, M. J.; Gry, C.; Harwood, A. S.; Hazell, A. S.; Joubert, M.; King, K. J.; Lim, T.; Liseau, R.; Long, J. A.; Lorenzetti, D.; Molinari, S.; Murray, A. G.; Naylor, D. A.; Nisini, B.; Norman, K.; Omont, A.; Orfei, R.; Patrick, T. J.; Péquignot, D.; Pouliquen, D.; Price, M. C.; Nguyen-Q-Rieu, ?; Rogers, A. J.; Robinson, F. D.; Saisse, M.; Saraceno, P.; Serra, G.; Sidher, S. D.; Smith, A. F.; Smith, H. A.; Spinoglio, L.; Swinyard, B. M.; Texier, D.; Towlson, W. A.; Trams, N. R.; Unger, S. J. and White, G. J. (1996). The ISO Long-Wavelength Spectrometer. Astronomy & Astrophysics, 315(2) L38-L42.



The Long-Wavelength Spectrometer (LWS) is one of two complementary spectrometers aboard the European Space Agency's Infrared Space Observatory (ISO) (Kessler et al., 1996). It operates over the wavelength range 43 - 196.9 μm at either medium (about 150 to 200) or high (6800 to 9700) spectral resolving power. This Letter describes the instrument and its modes of operation; a companion paper (Swinyard et al, 1996) describes its performance and calibration.

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