Study of star extinction beyond Comet P/Halley

Details Study of star extinction beyond Comet P/Halley Study of star extinction beyond Comet P/Halley

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ncimc..13..223t&link_type=abstract

Nuovo Cimento C, Serie 1 (ISSN 0390-5551), vol. 13 C, Jan.-Feb. 1990, p. 223-230.

Physics

Cometary Atmospheres, Halley'S Comet, Interplanetary Dust, Stars, Charge Coupled Devices, Extinction, Image Filters

Scientific paper

By studying star extinction behind Comet P/Halley caused by dust grains, it is possible to identify structures in the dust environment when the extinction does not follow the 1/r sq profile with radial distance from the nucleus. This has been done with CCD images taken from Catania Observatory on April 23, 1986. The result of the study confirms the presence of two dust jets seen also with images taken with narrow-band filters looking only at solar light reflected by dust particles.

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