550 citations
- Centre National de la Recherche ScientifiqueFR2 papers
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Showing 2007Show all
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astro-ph2007★ 73 cited
New determination of the size and bulk density of the binary asteroid 22 Kalliope from observations of mutual eclipses
P. Descamps, F. Marchis, J. Pollock +16
In 2007, the M-type binary asteroid 22 Kalliope reached one of its annual equinoxes. As a consequence, the orbit plane of its small moon, Linus, was aligned closely to the Sun's li…
math.DG2007
Diameters of 3-Sphere Quotients
W. Dunbar, S. Greenwald, J. McGowan +1
Let G, a subset of O(4), act isometrically on the 3-sphere. In this article we calculate a lower bound for the diameter of the quotient spaces . We find it to be ${1/2}\arcc…