The Herschel-Heterodyne instrument for the Far-Infrared (HIFI): Instrument and pre-launch testing.

This paper describes the Heterodyne Instrument for the Far-Infrared (HIFI), to be launched onboard of ESA's Herschel Space Observatory, by 2008. It includes the first results from the instrument level tests. The instrument is designed to be electronically tuneable over a wide and continuous frequency range in the Far Infrared, with velocity...

Results of field studies

The use of B-spline approximation and of an array processor in the iras ground operations and preliminary analysis facility

Paper presented at the 3rd B.I.S. Computers and Space Technology Conference on Image Processing Applied to Astronomy and Space Research, Appleton Laboratories, Slough, 15-16 November, 1979.