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The Distribution of Main Belt Asteroids with Featureless Spectra from the Sloan Digital Sky Survey Photometry

Published online by Cambridge University Press:  06 April 2010

Anderson O. Ribeiro  and
Fernando Roig
Anderson O. Ribeiro
Affiliation:
Observatório Nacional, Rio de Janeiro, 20921-400, RJ, Brazil email: anderson@on.br, froig@on.br
Fernando Roig
Affiliation:
Observatório Nacional, Rio de Janeiro, 20921-400, RJ, Brazil email: anderson@on.br, froig@on.br
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Abstract

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In this work, we propose to analyse the existence of possible correlations between the taxonomic classes of asteroids showing featureless spectra –i.e. a flat continuum with no absorption bands– and their orbital properties. We compute the mean spectral slope of 14 753 asteroids using the photometric data from the Sloan Digital Sky survey Moving Objects Catalog (SDSS-MOC4). Although the quality of these data is not comparable in resolution to the spectroscopic data, the amount of observations in the SDSS-MOC4 is more than 20 times larger that in the available spectral databases. This allows us to obtain a statistically significant result.

Keywords

minor planetsasteroids – surveys
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S263: Icy Bodies of the Solar System , August 2009 , pp. 237 - 239
Copyright
Copyright © International Astronomical Union 2010

References

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