Gaseous CN, C2, and C3 jets in the inner coma of Comet P/Halley observed from the VEGA 2 spacecraft

Details Gaseous CN, C2, and C3 jets in the inner coma of Comet P/Halley observed from the VEGA 2 spacecraft Gaseous CN, C2, and C3 jets in the inner coma of Comet P/Halley observed from the VEGA 2 spacecraft

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...86..115c&link_type=abstract

Icarus (ISSN 0019-1035), vol. 86, July 1990, p. 115-128. Research supported by CNES and Universite de Franche-Comte.

Other

17

Cometary Atmospheres, Gas Jets, Halley'S Comet, Satellite Imagery, Vega Project, Cn Emission, Comet Nuclei, Solar Spectra, Swan Bands, Comets, Halley, Comae, Jets, Gases, Cyanogen, Carbon, Origin, Spectra, Spacecraft Observations, Vega 2 Mission, Spectrometry, Imagery, Distance, Emissions, Comet Nuclei, Source, Hypotheses, Wavelengths

Scientific paper

A superposition of the monochromatic charts transmitted by Vega 2's three-channel spectrometer during its approach of Comet P/Halley in March, 1986, has yielded composite images of the inner coma with moderate spatial resolution which cover a sector of angle 50 deg converging to the nucleus. Images of the CN, C3, C2 Delta-v = 1 and C2 Delta-v = 0 emissions show evidence of two well-contrasted jets, one of which is in the direction of the sun while the other lies in the perpendicular direction; they are separated by a valley-shaped low-intensity zone. Radial and transverse profiles of the emissions are presented.

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