On the formation of ring galaxies

Yu-Ting Wu, Ing-Guey Jiang
2010 Proceedings of the International Astronomical Union  
AbstractThe formation scenario of ring galaxies is addressed in this paper. We focus on the P-type ring galaxies presented in Madore, Nelson & Petrillo (2009), particularly on the axis-symmetric ones. Our simulations show that a ring can form through the collision of disc and dwarf galaxies, and the locations, widths, and density contrasts of the ring are well determined. We find that a ring galaxy such as AM 2302-322 can be produced by this collision scenario.
doi:10.1017/s1743921311017509 fatcat:4opqkhuahfcjzhvz5yzd5tfvhm