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Infrared observation of the nucleus of comet Halley with the IKS instrument from the VEGA 1 probe |
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| Authors: | J M Lamarre C Emerich R Gispert N Coron |
| Institution: | * Laboratoire de Physique Stellaire et Planétaire CNRS, 91371, Verrières le Buisson Cedex, France ** Space Research Institute, Profsoyuznaya 84/32, 117810, Moscow GSP-7, USSR *** Observatoire de Paris, 92190 Meudon, Paris, France † Laboratoire René Bernas, 91406, Orsay, France |
| Abstract: | The Infrared thermal emission of the nucleus has been observed by the imaging channel of the infrared spectrometer IKS during the fly-by of Comet Halley by the VEGA 1 probe. An emissive region with a temperature in excess of 300 K has been detected. The results are compatible with a simplified model assuming a spherical nucleus covered by an insulating black material. |
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