CONSTRAINING THE PROPER MOTIONS OF TWO MAGNETARS
CONSTRAINING THE PROPER MOTIONS OF TWO MAGNETARS
We attempt to measure the proper motions of two magnetarsāthe soft gamma-ray repeater SGR 1900+14 and the anomalous X-ray pulsar 1E 2259+586āusing two epochs of Chandra observations separated by ā¼5 yr. We perform extensive tests using these data, archival data, and simulations to verify the accuracy of our measurements and ā¦