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Using Gaia spectrophotometric data for the purposes of asteroid taxonomy

Published online by Cambridge University Press:  07 March 2018

Alberto Cellino ,
Paolo Tanga ,
Marco Delbo ,
Laurent Galluccio ,
Philippe Bendjoya  and
Francesca De Angeli
Alberto Cellino
Affiliation:
INAF-Osservatorio Astrofisico di Torino, strada Osservatorio 20, I-10025, Pino Torinese, Italy email: [email protected]
Paolo Tanga
Affiliation:
Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, 06304 Nice Cedex 4, France email: [email protected], [email protected], [email protected], [email protected]
Marco Delbo
Affiliation:
Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, 06304 Nice Cedex 4, France email: [email protected], [email protected], [email protected], [email protected]
Laurent Galluccio
Affiliation:
Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, 06304 Nice Cedex 4, France email: [email protected], [email protected], [email protected], [email protected]
Philippe Bendjoya
Affiliation:
Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Bd de l'Observatoire, CS 34229, 06304 Nice Cedex 4, France email: [email protected], [email protected], [email protected], [email protected]
Francesca De Angeli
Affiliation:
Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK email: [email protected]
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Abstract

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A new asteroid taxonomy will be an important result of Gaia observations of Solar System objects. Since Gaia observes asteroids in observing conditions and in an interval of wavelength which are slightly different with respect to normal ground-based observations, a dedicated observing campaign has been carried out at the Telescopio Nazionale Galileo in La Palma (Canary Islands, Spain). The obtained spectra have been used to generate a large number of synthetic clones, each one having slight changes with respect to its parent spectrum. These synthetic spectra are then used to feed the algorithm of taxonomic classification developed to reduce Gaia asteroid spectra. Processing of these data is in progress.

Keywords

minor planetsasteroidsmethods: data analysis
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S330: Astrometry and Astrophysics in the Gaia sky , April 2017 , pp. 399 - 400
Copyright
Copyright © International Astronomical Union 2018 

References

Bus, S. J. & Binzel, R. P., 2002, Icarus, 158, 146 Google Scholar