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Chapter and Conference Paper
Properties of dust in comet P/Halley measured by the Vega-2 three-channel spectrometer
Optical properties of cometary dust exhibit no substantial variations at distances from 100 to 15 000 km from the nucleus. Dust ejection can be approximated by cos φ where φ is the angle with the sun-nucleus axis...
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Chapter and Conference Paper
Spectrophotometry of comet P/Halley at wavelengths 275—710 nm from Vega 2
Spectrophotometric observations of the inner coma of comet Halley in the range 275-710 nm were conducted from Vega 2 on March 8, 9, 10, 11, 1986. During the encounter session, when the impact parameter was min...