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The 2.5-12 µm spectrum of comet halley from the IKS-VEGA experiment

Bibring, J. -P.; Encrenaz, T.; Crovisier, J. +14 more

The infrared instrument IKS flown on board the VEGA space probes was designed for the detection of emission bands of parent molecules, and for a measurement of the size and temperature of the thermal emitting nuclear region. The instrument had three channels with cooled detectors: an "imaging channel" designed to modulate the signal of the nucleus…