The Supernova Remnant G11.2−0.3 and Its Central Pulsar

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Abstract
The plerion inside the composite supernova remnant G11.2-0.3 appears to be dominated by the magnetic field to an extent unprecedented among well-known cases. We discuss its evolution, as determined by a central pulsar, and its interaction with the surrounding thermal remnant—which, in turn, interacts with the ambient medium. We find that a plausible scenario exists, in which all the observations can be reproduced with rather typical values for the parameters of the system. We also obtain the most likely period for the still undetected pulsar.
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