Multi-wavelength study of activated asteroid (596) Scheila.

Details Multi-wavelength study of activated asteroid (596) Scheila. Multi-wavelength study of activated asteroid (596) Scheila.

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1109l&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1109

Physics

Scientific paper

(596) Scheila is a large primitive asteroid observed with a comet-like apearence last December. We present near-infrared spectra (0.8-2.4 μm) obtained at different rotational phases, covering a whole rotation period of the object after the ejection event, a spectrum in the 2.2-4.0 μm region obtained in 2007, and mid-infrared photometry measured by WISE in Feb. 2010. We show that the surface is homogeneous, and corresponds to a dark (diameterD=113.3km, albedo at 3.4μm p3.4=0.068) primitive D-type asteroid. We also find that the best meteorite analogs are carbonaceous chondrites, in particular those of the CM sub-group.

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