Ultra-deep imaging places the edge of IC 1101's main stellar body at ~260 kpc, a ~520 kpc diameter that is the largest galaxy edge measured to date.
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How large can galaxies be? Ultra-deep imaging of IC 1101, the most extended known galaxy
Ultra-deep imaging places the edge of IC 1101's main stellar body at ~260 kpc, a ~520 kpc diameter that is the largest galaxy edge measured to date.