Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sass...28..101s&link_type=abstract
The Society for Astronomical Sciences 28th Annual Symposium on Telescope Science. Held May 19-21, 2009 at Big Bear Lake, CA. Pub
Astronomy and Astrophysics
Astronomy
Scientific paper
In 2002, Schelte J. Bus and Richard P. Binzel proposed a new taxonomy for main belt asteroids based on slope values over segments of the spectral curve; this new classification system has started to gain general acceptance. Their analysis was based on spectrographic data gathered in the late 1980s and early 1990s at Kitt Peak Observatory on research instruments of 2.4 and 1.3 meters in aperture. Most of the original 1447 asteroids were each observed on a single night. A few, which were observed on multiple nights, exhibited unexplained variations. Spectrums and photometric color studies have been done of some asteroids since then, mostly as studies of dynamical families. The authors have undertaken a "proof of concept" project to explore and resolve the technical challenges associated with reobserving some of these asteroids and extending the survey beyond the original targets using small telescopes. Employing a commercially-made 0.36 meter catadioptric telescope and camera/spectroscope combination, the authors have attempted to reproduce some of the curves from asteroids included in the Bus and Binzel papers. Their work has focused on demonstrating the fidelity and repeatability of a data capture and analysis process on targets of at least 13th magnitude. The authors profile the hardware and software used to conduct the proof of concept project, techniques for data collection and analysis, and review the results of their work to date.
Menga Ralph
Stephens Robert
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