Results of the IKS experiment. I - Infrared radiation from parent molecules in Comet Halley

Details Results of the IKS experiment. I - Infrared radiation from parent molecules in Comet Halley Results of the IKS experiment. I - Infrared radiation from parent molecules in Comet Halley

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987kosis..25..781m&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 25, Sept.-Oct. 1987, p. 781-792. In Russian.

Physics

Abundance, Halley'S Comet, Infrared Spectroscopy, Spacecraft Instruments, Vega Project, Carbon Dioxide, Flux Density, Hydrocarbons

Scientific paper

Measurements carried out with the Vega IKS IR spectrometer demonstrate the presence of carbon dioxide (in the CO2 4.26 micron band) in comets; a flux of CO2 molecules from the Comet Halley nucleus amounting to (2 + or - 0.6) x 10 to the 28th/s was measured. In addition, a band of characteristic oscillations of C-H bonds in hydrocarbons at 3,35 microns was observed in the cometary spectra. In the H2O 2.7 micron band, a water molecule flux from the Comet Halley nucleus equal to (1.6 + or - 0.2) x 10 to the 30th/s was measured on March 6, 1986.

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