VEGA Spacecraft Television Imagery of Comet Halley

Details VEGA Spacecraft Television Imagery of Comet Halley VEGA Spacecraft Television Imagery of Comet Halley

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pazh...12..593s&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal, vol. 12, p. 593 (1986)

Astronomy and Astrophysics

Astronomy

Scientific paper

The TV system on Vega 1 and Vega 2 observed comet Halley from 4 to 11 March and transmitted about 1500 images to the earth. During closest approach on March 6 and 9 the best images of the cometary nucleus were taken from 8 - 9 thousand kilometers. The comet's nucleus is a potato-shaped irregular formation, about 14×7.5×7.5 km3 in size, whose surface is rather dark. Active emission of matter is from the sunlit side. The nucleus rotates with a period of 54±3 hours.

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