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RE: Quadrupole

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Posted by pmb on April 5, 2000 12:35:29 UTC

Dipole motion e.g. two bodies orbiting each other like the Hulse-Taylor binary pulsar, does gravitational waves. Assuming of course, by dipole motion you mean a rotating dipole (like a binary star system), like a dumbell. However the dipole moment does not contribute significantly to the gravitational radiation. The quadrupole moment does.

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