Abstract
We present imaging and spectral analyses of Sgr A East from deep Chandra observations. A nearby hard point-like source CXOGC J174545.5-285829 (dubbed the cannonball) appears to be a high-velocity neutron star. The estimated total Fe mass of Sgr A East supports a core-collapse origin from a massive star. Based on these results and the proximity between the features, we propose that the cannonball is a candidate neutron star created by the supernova that also produced the remnant Sgr A East.
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