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Paper: Dark Matter Substructure in Lensing Galaxies
Volume: 399, Panoramic Views of Galaxy Formation and Evolution
Page: 98
Authors: Chiba, M.; Minezaki, T.; Inoue, K.T.; Kashikawa, N.; Kataza, H.; Sugai, H.
Abstract: To set useful limits on the abundance of small-scale dark matter halos (subhalos) on a galaxy scale, we have carried out mid-infrared imaging and integral-field spectroscopy for a sample of quadruple-lens systems showing anomalous flux ratios. These observations using Subaru have been successful for distinguishing millilensing by subhalos from microlensing by stars. The current status for our lensing analysis of dark matter substructure is reported.
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