Comparative Study Of The Dust Polarimetric Properties In Split And Normal Comets |
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Authors: | Kiselev Nikolai Jockers Klaus Rosenbush Vera |
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Affiliation: | (1) Institute of Astronomy, Kharkiv National University, 35 Sumskaya Street, 61022 Kharkiv, Ukraine;(2) Max–Planck–Institut für Aeronomie, D–37191 Katlenburg–Lindau, Germany;(3) 27 Zabolotny Street, 03680 Kyiv, Ukraine |
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Abstract: | Our polarimetric database contains six comets, C/1975 V1 (West), 16P/Brooks 2,C/1988 A1 (Liller), D/1996 Q1 (Tabur), C/1999 S4 (LINEAR), and C/2001 A2(LINEAR), which can be related to the group of split comets. Comets West, S4(LINEAR) and A2 (LINEAR) were observed during splitting. We compare thepolarimetric measurements of the dust particles in these comets, sometimes togetherwith available photometric and colorimetric data, with those in normal comets. Weconclude that there is no significant evidence for differences of polarization betweentidally split comets (e.g., Brooks 2), dissipating comets (e.g., Tabur), non-tidally splitcomets (e.g., West) and normal comets. The total disintegration of Comet S4 (LINEAR), however, did produce significant changes in the observed properties of dust. |
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Keywords: | Comets dust polarization split comets |
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