NIR imaging and modeling of the core of M100
J. H. Knapen, R. F. Peletier, I. Shlosman, J. E. Beckman, C. H. Heller, R. S. de Jong
Abstract
High-resolution NIR and optical images are used to constrain a dynamical model of the circumnuclear star forming (SF) region in the barred galaxy M100 (=NGC 4321). Subarcsecond resolution allowed us to distinguish important morphological details which are easily misinterpreted when using images at lower resolution. Small leading arms observed in our K-band image of the nuclear region are reproduced in the gas flow in our model, and lead us to believe that part of the K light comes from young stars, which trace the gas flow.
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