Statistical analysis of asteroidal and cometary polarization phase curves

We use an empirical polarization phase curve model at various wavelengths to predict some statistical properties of comets and asteroids. First, we show how our model with Bayesian MCMC numerical methods predicts polarization behaviour at larger phase angles when only the smaller angle data are used...

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Bibliographic Details
Published in:Astronomy and astrophysics (Berlin) 2005-03, Vol.432 (3), p.1081-1090
Main Authors: Penttilä, A., Lumme, K., Hadamcik, E., Levasseur-Regourd, A.-C.
Format: Article
Language:English
Subjects:
asteroids
astronomical data bases: miscellaneous
comets: general
methods: statistical
minor planets
Ocean, Atmosphere
polarization
Sciences of the Universe
techniques: polarimetric
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Summary:We use an empirical polarization phase curve model at various wavelengths to predict some statistical properties of comets and asteroids. First, we show how our model with Bayesian MCMC numerical methods predicts polarization behaviour at larger phase angles when only the smaller angle data are used. Our empirical model incorporates both the phase and colour dependency on the same footing. Second, a comparison between the existing taxonomy of asteroids and the clustering of asteroid classes based on polarization suggests a new method for the classification. We also heavily concentrate on the derivations of quantitative errors in our analysis.
ISSN:0004-6361
1432-0746
1432-0756
DOI:10.1051/0004-6361:20042133