The Nature of the Eurybates Family

Details The Nature of the Eurybates Family The Nature of the Eurybates Family

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dps....40.2814d&link_type=abstract

American Astronomical Society, DPS meeting #40, #28.14; Bulletin of the American Astronomical Society, Vol. 40, p.438

Astronomy and Astrophysics

Astronomy

Scientific paper

It is widely believed that Jupiter Trojans formed at large heliocentric distances, where volatile materials are abundant. For that reason ices or hydrated materials are expected to be present in their structure.
In 2002 our team started an observational campaign devoted to the research of
ices and/or hydrated materials on the surface of these bodies, in particular on the members of dynamical families (Dotto et al. 2006, Fornasier et al. 2004,2007).
This work put in evidence the presence of a peculiar family in the L4 swarm, the Eurybates, whose members are characterized by an almost flat spectrum. Some of them show an UV drop-off that could be due to the presence of material containing oxided iron.
To improve our knowledge of the nature of this peculiar family, on August 2006 and July 2007 we performed NIR observations at TNG of 7 objects. The obtained will be presented and discussed.

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