High-contrast observations of the Haumea system

Details High-contrast observations of the Haumea system High-contrast observations of the Haumea system

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1528d&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1528

Computer Science

Scientific paper

In this contribution, we report spectro-imaging observations of all three components of the Haumea system performed in 2007 with the ESO-VLT nearinfrared integral-field spectrograph SINFONI and its Laser Guide Star Facility [6]. Our data and related compositional modeling show that the surface of the outer satellite Hiiaka is mostly coated with crystalline water ice, as in the case of the central body Haumea [7], [8], whose surface appears to be made of large grains of water ice, almost entirely in its crystalline form. We also discuss possible sources of heat to maintain water in its crystalline state. Finally, we report on the preliminary analysis of a similar highcontrast spectroscopic data set obtained this year on Haumea, but for a different rotational phase than our 2007 observations.

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