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I hadnt heard of GW recoil imparting velocity to a black hole.
http://www.arxiv.org/astro-ph/0402056
"How Black Holes Get Their Kicks..."
It's an article by three people, from Cornell, MIT, and Chicago.
When two black holes spiral in and merge, linear momentum is carried off asymmetrically by a burst of gravitational waves at the end
unless the two holes have equal mass (which one wouldn't expect them to have)
and this one-sided burst of GW produces a "recoil" which can give
the resulting black hole a velocity big enough to take it out
of the galaxy or globular cluster it belongs to
would not have expected this, their explanation of it is interesting
the effect was first predicted in 1982
http://www.arxiv.org/astro-ph/0402056
"How Black Holes Get Their Kicks..."
It's an article by three people, from Cornell, MIT, and Chicago.
When two black holes spiral in and merge, linear momentum is carried off asymmetrically by a burst of gravitational waves at the end
unless the two holes have equal mass (which one wouldn't expect them to have)
and this one-sided burst of GW produces a "recoil" which can give
the resulting black hole a velocity big enough to take it out
of the galaxy or globular cluster it belongs to
would not have expected this, their explanation of it is interesting
the effect was first predicted in 1982
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