The 2.5 to 5 microns spectrum of comet Halley from the IKS instrument of Vega

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The 2.5 to 5 microns spectrum of comet Halley from the IKS instrument of Vega

Combes, M. / Moroz, V.I. / Crifo, J.F. / Bibring, J.P. / Coron, N. / Crovisier, J. / Encrenaz, T. / Sanko, N.F. / Grigoriev, A. / Bockelée-Morvan, D. / ... [more]

Abstract

Abstract Results of the 2.5–5 micron spectroscopic channel of the IKS instrument on Vega are reported and the data reduction process is described. H2O and CO2 molecules have been detected with production rates of 10³⁰ s⁻¹ and 1.5 10²⁸ s⁻¹ respectively. Emission features between 3.3 and 3.7 microns are tentatively attributed to CH - bearing compounds - CO is marginally detected with a mixing ratio CO/H 2 O ⩽ 0.2. OH emission and H2O - ice absorption might also be present in the spectra.

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Document information

Title :

The 2.5 to 5 microns spectrum of comet Halley from the IKS instrument of Vega

Contributors:

Combes, M. (author) / Moroz, V.I. (author) / Crifo, J.F. (author) / Bibring, J.P. (author) / Coron, N. (author) / Crovisier, J. (author) / Encrenaz, T. (author) / Sanko, N.F. (author) / Grigoriev, A. (author) / Bockelée-Morvan, D. (author)

Published in:

Advances in Space Research ; 5 , 12 ; 127-131

Publication date :

1985-01-01

Size :

5 pages

ISSN :

0273-1177

DOI :

https://doi.org/10.1016/0273-1177(85)90076-6

Type of media :

Article (Journal)