Asteroid Maps From Photometry And Adaptive Optics

Details Asteroid Maps From Photometry And Adaptive Optics Asteroid Maps From Photometry And Adaptive Optics

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.3012k&link_type=abstract

American Astronomical Society, DPS meeting #39, #30.12; Bulletin of the American Astronomical Society, Vol. 39, p.471

Physics

Optics

Scientific paper

While disk-integrated photometry is the main source of information on most asteroids, adaptive optics can provide some disk-resolved data on many larger (main-belt) asteroids. Asteroid models from lightcurve inversion agree well with the obtained AO images (Marchis et al. 2006, Icarus 185,39), but even more detailed models can be obtained by combining the two sources in inversion. In addition to giving more detail to existing models, the approach can also be used to obtain models of asteroids for which the photometric data are yet insufficient alone. This also helps to calibrate the inversion and deconvolution processes related to the separate sources; e.g., whether features apparently revealed by AO post-processing are real or artificial. We present some examples and discuss the resolution level of topographic detail in the resulting models. Hundreds of asteroids can be mapped in this way in the near future.

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