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Intra-group Light in Hickson Compact Groups
Published online by Cambridge University Press: 19 May 2006
Abstract
We have analyzed the intra-group light component of 3 Hickson CompactGroups (HCG 79, HCG 88 and HCG 95) with detections in two of them:HCG 79, with 46±11% of the total B band luminosity and HCG 95with 11±26%. HCG 88 had no component detected. This componentis presumably due to tidally stripped stellar material trapped inthe group potential and represents an efficient tool to determine thestage of dynamical evolution and to map its gravitational potential.To detect this low surface brightness structure we have applied thewavelet technique OV_WAV, which separates the different components ofthe image according to their spatial characteristic sizes.
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- © EAS, EDP Sciences, 2006