Dust and C2-contents in the coma of Halley's Comet (1986III)

Details Dust and C2-contents in the coma of Halley's Comet (1986III) Dust and C2-contents in the coma of Halley's Comet (1986III)

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mmkyo..37..283a&link_type=abstract

In its Memoirs of the Faculty of Science, Kyoto University. Series of Physics, Astrophysics, Geophysics and Chemistry, Volume 37

Astronomy and Astrophysics

Astrophysics

Astronomical Photography, Brightness, Chemical Composition, Comet Tails, Cometary Atmospheres, Halley'S Comet, Carbon, Dust, Emission Spectra, Scattering Cross Sections

Scientific paper

Photographic observations of Halley's comet (1986 III) were carried out at the Hida Observatory, with use of two interference filters: IF7215 (for red continuum at 7215 Å) and IF5148 (for C2 emission at 5148 Å). The authors analyzed the negatives exposed on March 25, 31, April 1, 12, and 13, 1986, and estimated total mass of dust and C2 molecules of the coma. On March 25 masses of dust and C2 were 3.3×1013g and 2.2×1010g respectively. Dust and C2-contents fall off as the comet goes away from the Sun, and they become reducing to 5.1×1012g and 1.3×109g, respectively, on April 13, 1986.

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