Infrared sounding of comet Halley from VEGA 1

Details Infrared sounding of comet Halley from VEGA 1 Infrared sounding of comet Halley from VEGA 1

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.321..266c&link_type=abstract

Nature (ISSN 0028-0836), vol. 321, May 15, 1986, p. 266-268. CNES-supported research.

Astronomy and Astrophysics

Astronomy

95

Halley'S Comet, Infrared Astronomy, Infrared Spectra, Vega Project, Coma, Comet Nuclei, Comets, Halley, Spacecraft Observations, Mission Description, Experiments, Vega 1, Infrared Methods, Infrared Spectrometer, Comae, Comet Nuclei, Iks, Emissions, Source, Temperature, Hydrocarbons, Carbonaceous Material, Water, Carbon Dioxide, Composition, Spectra, Wavelengths, Amplitude, Spectroscopy, Procedure, Characteristics, Features

Scientific paper

The IKS instrument carried by the Vega 1 spacecraft performed infrared sounding of the inner coma and nuclear region of comet Halley. An emissive centre, a few kilometers in size, was detected with a temperature significantly in excess of 300K. In the surrounding central coma, hydrocarbon species or other carbonaceous material seem to be present. The fluorescence signatures of H2O and CO2 were identified.

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