Rotational lightcurves of asteroids belonging to families |
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Authors: | Alvaro Alvarez-Candal,René Duffard,Daniela Lazzaro |
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Affiliation: | a Observatório Nacional, MCT. Rua Gal. José Cristino 77, 20921-400, Rio de Janeiro, RJ, Brazil b Observatorio Astronómico, Universidad Nacional de Córdoba, Laprida 854, 5000, Córdoba, Argentina |
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Abstract: | Complete lightcurves of 17 asteroids belonging to the Themis, Eos, and Maria families have been obtained, as well as single-night photometric observations of eight objects belonging to the same families. Using also data previously available in the literature, we perform a preliminary statistical analysis aimed at detecting possible correlations between rotational periods, overall lightcurve amplitudes, and objetcs' sizes. No evident correlation was found, with the possible exception of a weak anticorrelation between size and spin period. The implications of this possible anticorrelation are discussed. |
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Keywords: | Asteroids Asteroids, rotation Photometry |
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