CID-42
A Black Hole Slingshot?
Of the 2,600 X-ray sources found in COSMOS, only one -- named CID-42 and located in a galaxy about 3.9 billion light years away -- coincides with two very close, compact optical sources.
Chandra :: Photo Album :: CID-42 :: 30 June 10
http://chandra.harvard.edu/photo/2010/cid42/
CID-42: A Black Hole 'Slingshot'
http://www.nasa.gov/mission_pages/chandra/multimedia/photo10-082.html
A Black Hole Slingshot?
http://www.physorg.com/news197128892.html
重力波キックではじき飛ばされたブラックホール？
http://www.astroarts.co.jp/news/2010/07/08recoiling-blackhole/index-j.shtml
"anti kick" in the merger of binary black holes
Understanding the "anti kick" in the merger of binary black holes Physical Review Letters, June 3, 2010
http://prl.aps.org/abstract/PRL/v104/i22/e221101
On the deceleration behaviour of black holes
Max Planck Society - Press Release
Researchers use the concept of "anti-kick" to explain why the speed suddenly decreases after the collision of such exotic objects"
http://www.mpg.de/english/illustrationsDocumentation/documentation/pressReleases/2010/pressRelease201006041/index.html
Numerical Relativity Group @ Albert Einstein Institute - Germany
Antikick in the head-on collision of two black holes (caption); see also arxiv.org:1003.0873
http://numrel.aei.mpg.de/Visualisations/Archive/BinaryBlackHoles/InspiralingBlackHoles/InspiralingBH.html
[1003.0873] Understanding the "anti-kick" in the merger of binary black holes
"Understanding the "anti-kick" in the merger of binary black holes
Authors: Luciano Rezzolla, Rodrigo P. Macedo, José Luis Jaramillo"
http://arxiv.org/abs/1003.0873
On the deceleration behaviour of black holes
http://www.physorg.com/news194881040.html