Sizing up Asteroids at Lick Observatory with Adaptive Optics

Details Sizing up Asteroids at Lick Observatory with Adaptive Optics Sizing up Asteroids at Lick Observatory with Adaptive Optics

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.5925d&link_type=abstract

American Astronomical Society, DPS meeting #38, #59.25; Bulletin of the American Astronomical Society, Vol. 38, p.1304

Physics

Optics

Scientific paper

Using the Shane 3 meter telescope with adaptive optics at Lick Observatory, we have determined the triaxial dimensions and rotational poles of five asteroids, 3 Juno, 4 Vesta, 16 Psyche, 87 Sylvia, and 324 Bamberga. Parametric blind deconvolution was applied to images obtained mostly at 2.5 microns in 2004 and 2006. This is the first time Bamberga’s pole has been determined, and the results for the other four asteroids are in agreement with the analysis of decades of lightcurves by others. The techniques developed here to find sizes, shapes, and poles, in only one or two nights, can be applied to smaller asteroids that are resolved with larger telescopes.

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