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ellipticity |
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ellipticity [ē‚lip′tis·əd·ē] (astronomy) The difference between the equatorial and polar radii of a planet divided by the mean radius. (electronics) (mathematics) Also known as oblateness. For an ellipse, the difference between the semimajor and semiminor axes of the ellipse, divided by the semimajor axis. For an oblate spheroid, the difference between the equatorial diameter and the axis of revolution, divided by the equatorial diameter. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| 2]) determines the ellipticity of the bump, or how far the bump deviates from being perfectly circular, and was sampled from the uniform distribution on the square [0. The angles [chi] and [varphi] are called the ellipticity and azimuth of the light, respectively, and the representation may be made either in terms of [a. He suggests that ellipticity may distinguish a brown dwarf from a planet. |
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