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The Metallicity Evolution of Interacting Galaxies
Metallicity Evolution of Interacting Galaxies
2011/8/24
Nuclear inflows of metal-poor interstellar gas triggered by galaxy interactions can account for the systematically lower central oxygen abundances observed in local interacting galaxies.
In this work we have used the Viril theorem to investigate the dynamical stability of Hickson compact groups of galaxies. The average luminous mass of the galaxies member is approximately 1.3 \times 0...
Adaptive optics pinpoints 2 supermassive black holes in colliding galaxies
optics black holes
2007/5/21
17-May-2007，SANTA CRUZ, CA--Astronomers have used powerful adaptive optics technology at the W. M. Keck Observatory in Hawaii to reveal the precise locations and environments of a pair of supermassive...