The population of faint Jupiter family comets near the Earth

Details The population of faint Jupiter family comets near the Earth The population of faint Jupiter family comets near the Earth

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006icar..185..211f&link_type=abstract

Icarus, Volume 185, Issue 1, p. 211-222.

Mathematics

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8

Scientific paper

We study the population of faint Jupiter family comets (JFCs) that approach the Earth (perihelion distances q<1.3 AU) by applying a debiasing technique to the observed sample. We found for the debiased cumulative luminosity function (CLF) of absolute total magnitudes H a bimodal distribution in which brighter comets (H≲9) follow a linear relation with a steep slope α=0.65±0.14, while fainter comets follow a much shallower slope α=0.25±0.06 down to H˜18. The slope can be pushed up to α=0.35±0.09 if a second break in the H distribution to a much shallower slope is introduced at H˜16. We estimate a population of about 103 faint JFCs with q<1.3 AU and 10

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