Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...305..984b&link_type=abstract
Astronomy and Astrophysics, v.305, p.984
Astronomy and Astrophysics
Astrophysics
4
Asteroids
Scientific paper
A revised version of the G-mode multivariate statistics (Coradini et al. 1977) has been used to analyse a sample of 84 asteroids. This sample of asteroids is described by 29 variables, namely 23 colours between 0.9 and 2.35 microns obtained from the data base collected by Bell et al. (Private communication), 5 colors between 0.3 and 0.85 microns from the ECAS survey (Zellner et al. 1985) and the revised IRAS albedo (Tedesco et al. 1992). The G-mode method allows the user to obtain an automatic classification of the asteroids in spectrally homogeneous groups. The role of the IR colours in separating the various groups is outlined, particularly with regard to the fine subdivision of S and C taxonomical types.
Barucci Maria-Antonella
Birlan Mirel
Fulchignoni Marcello
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