Peculiarities of gas and dust production rates in Comets P/Halley (1986 III), P/Giacobini-Zinner (1985 XIII), P/Hartley-Good (1985 XVII) and P/Thiele (1985 XIX)

Details Peculiarities of gas and dust production rates in Comets P/Halley (1986 III), P/Giacobini-Zinner (1985 XIII), P/Hartley-Good (1985 XVII) and P/Thiele (1985 XIX) Peculiarities of gas and dust production rates in Comets P/Halley (1986 III), P/Giacobini-Zinner (1985 XIII), P/Hartley-Good (1985 XVII) and P/Thiele (1985 XIX)

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991an....312..385c&link_type=abstract

Astronomische Nachrichten (ISSN 0004-6337), vol. 312, no. 6, 1991, p. 385-391.

Astronomy and Astrophysics

Astronomy

7

Astronomical Photometry, Comet Nuclei, Cometary Atmospheres, Giacobini-Zinner Comet, Halley'S Comet, Carbon, Cosmic Dust, Emission Spectra, Gas Density

Scientific paper

An IHW narrow-band photometry of Comets P/Halley (1986 III), P/Giacobini-Zinner (1985 XIII), P/Hartley-Good (1985 XVII), and P/Thiele (1985 XIX) is presented. Molecular column densities and production rates of CN, C2, And C3 species observed in the coma are calculated in the framework of the Haser model. A comparative analysis of gas and dust production rates in the atmospheres of these comets is given. The effective comet nuclear radii have been estimated by different methods: for Comet P/Hartley-Good R(eff) is about 1.7 km, for P/Thiele R(eff) is about 2 km and for P/Giacobini-Zinner R(eff) is about 1.3 km.

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