Physics
Scientific paper
May 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..41200301s&link_type=abstract
VizieR On-line Data Catalog: J/A+AS/120/301. Originally published in: 1996A&AS..120..301S
Physics
Comets
Scientific paper
In an attempt to find correlations between properties of comets, we determine the dust colors, dust release rates, and dust-to-gas mass ratios in the comae of Comets Bowell (1980b=1982I), Bradfield (1979l=1979X), Brorsen-Metcalf (1989o=1989X), Giacobini-Zinner (1984e=1985XIII), Levy (1990c=1990XX), and Stephan-Oterma (1980g=1980X) using a uniform and systematic analysis of the continuum fluxes measured at optical wavelengths. We assume that the continuum fluxes observed in these comets are from light scattered by micrometer-sized dust particles. The color of the dust is blue, relative to the Sun, in Comets Bradfield (1979 X) and Brorsen-Metcalf (1989 X); both comets have a low dust-to-gas mass ratio (χ<10%). Comets Giacobini-Zinner (1985 XIII) and Stephan-Oterma (1980 X) have an intermediate dust-to-gas mass ratio (10%<χ<40%), whereas Comets Levy (1990 XX) and Bowell (1982 I) have a high dust-to-gas mass ratio (χ>40%). The continuum flux from dust particles in comets with intermediate to high dust-to-gas mass ratios is in general red, relative to the Sun. However, the color changes to blue in these comets when the dust-to-gas mass ratios are low relative to their peak values. ************************************************************************** * * * Sorry, but the author(s) did not provide their tables as announced * * in the paper * * * **************************************************************************
Huebner Walter F.
Sanzovo Gilberto C.
Singh Patan D.
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