Amateur Contributions to Asteroid Lightcurve Studies

Details Amateur Contributions to Asteroid Lightcurve Studies Amateur Contributions to Asteroid Lightcurve Studies

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.6406w&link_type=abstract

American Astronomical Society Meeting 204, #64.06; Bulletin of the American Astronomical Society, Vol. 36, p.780

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Scientific paper

The study of asteroid lightcurves is critical to the development of several important fields of research involving the minor planets. Recent studies using lightcurve data by Steve Slivan, Mikko Kaaslainen, and others have shown the strong likelihood that the YORP effect is a dominant force in determining spin axis rates and orientation. Kassalainen has also been a leader in the difficult problem of lightcurve inversion where lightcurve data is used to determine the shape of an asteroid.
In addition, Alan Harris and Petr Pravec have used lightcurve data to determine trends within the asteroid system regarding spin rates versus size, most notably finding certain "barriers" or zones that preclude or favor certain size/rate combinations. In recent years, amateur astronomers have been providing an ever-growing number of lightcurves to the statistical pool and forming collaborative efforts aimed at assisting profession astronomers such as those above in order to provide the necessary data for further development and refinement of asteroid-related theories.
The authors have been significant contributors to lightcurve studies, having submitted more than 150 lightcurves for publication in the Minor Planet Bulletin in the past five years. This poster presentation shows some of the specific contributions they have made and how other interested amateurs can contribute to the ongoing efforts, which will eventually require the work of a small legion of dedicated amateur observers.

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