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High-resolution {\sl Hubble Space Telescope} imaging observations show thatthe radial distribution of the field-decontaminated sample of 162 'bluestraggler' stars (BSs) in the $11.7^{+0.2}_{-0.1}$ Gyr-old Large MagellanicCloud cluster Hodge 11 exhibits a clear bimodality. In combination with theirdistinct loci in color--magnitude space, this offers new evidence in support oftheoretical expectations that suggest different BS formation channels as afunction of stellar density. In the cluster's color--magnitude diagram, the BSsin the inner 15$"$ (roughly corresponding to the cluster's core radius) arelocated more closely to the theoretical sequence resulting from stellarcollisions, while those in the periphery (at radii between 85$"$ and 100$"$)are preferentially found in the region expected to contain objects formedthrough binary mass transfer or coalescence. In addition, the objects'distribution in color--magntiude space provides us with the rare opportunity inan extragalactic environment to quantify the evolution of the cluster'scollisionally induced BS population and the likely period that has elapsedsince their formation epoch, which we estimate to have occurred $\sim$4--5 Gyrago.

Blue straggler evolution caught in the act in the Large Magellanic Cloud globular cluster Hodge 11