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FireHart28 karma

Hey cool, I study 87A light echoes, but I know nothing about radio studies on it. Can you see those finger structures on the ring in radio?

FireHart14 karma

Looks like the resolution isn't quite there. There are these radial pillars of gas that the ring is interacting with and they are quite visible in optical and IR. They popped up in the 90s and are now slowly fading away.