Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.3509k&link_type=abstract
American Astronomical Society, DPS meeting #39, #35.09; Bulletin of the American Astronomical Society, Vol. 39, p.483
Astronomy and Astrophysics
Astronomy
Scientific paper
Binary asteroids have been helpful to scientists in recent years in their quest to better understand the Solar System in its early stage. Observing a mutual event between a primary and its moon can yield the sizes of the objects in units of the semi-major axis a. Because the absolute linear scale of this system is known [1], one can determine component sizes and reduce error bars on the density of this M-type asteroid. Knowing the density of a body can give a better constraint on the materials of which it is composed, thereby giving a better understanding of the composition of certain classes of asteroids. Binary object (22) Kalliope/Linus is a classic example of a system for which this technique can yield valuable results. An observing campaign involving five observers resulted in thirty nights of data. The data were used to create a rotational light curve of the system, in which mutual events were detected. We will present the results of the analysis at the meeting.
[1] Margot and Brown, Science 300, 1939-1942, 2003.
Bauer James M.
Hicks Murray D.
Kramer Emily
Margot Jean-Luc
Warner Brian D.
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