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A recent radio survey of globular clusters has increased the number ofmillisecond pulsars drastically. M28 is now the globular cluster with the thirdlargest population of known pulsars, after Terzan 5 and 47 Tuc. This promptedus to revisit the archival Chandra data on M28 to evaluate whether the newlydiscovered millisecond pulsars find a counterpart among the various X-raysources detected in M28 previously. The radio position of PSR J1824-2452H isfound to be in agreement with the position of CXC 182431-245217 while somefaint unresolved X-ray emission near to the center of M28 is found to becoincident with the millisecond pulsars PSR J1824-2452G, J1824-2452J,J1824-2452I and J1824-2452E.

A search for X-ray counterparts of the millisecond pulsars in the globular cluster M28 (NGC 6626)