Weird ring

https://www.legacysurvey.org//viewer/?ra=262.4555&dec=23.3213&layer=ls-dr9&zoom=13

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This almost looks like a large spiral galaxy was passed through by a smaller/older galaxy and the outer ring of the spiral remains virtually undisturbed by the interaction?

The ring is generally caused by a density wave in collisional systems like this.

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