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Paper: Spatial Distribution of Ionized Gas and Stars in Ring Galaxies
Volume: 275, Disks of Galaxies: Kinematics, Dynamics and Perturbations
Page: 446
Authors: Mayya, Y. D.; Romano, R.; Korcgahin, V. I.
Abstract: We use Hα and R-band images of a sample of ring galaxies to identify systems with stellar disks outside the star-forming rings. Such systems are expected under the collisional scenario of ring formation (Lynds & Toomre 1976), but haven't been conclusively detected. We here report the detection of stellar disks outside the ring, as traced by Hα, in Arp 141, Arp 143 and NGC 2793.
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