Fig. 1
Chandra image of the central 25″ of NGC 315. Jet spectrum is extracted from an ellipse with a semi-major axis of 11.3″ and a semi-minor axis of 5.6″. Core emission is extracted from a circle centered on the source with a radius comprising 99% of the PSF (~2.7″). The rest of the medium inside a 25″ circle is considered diffuse emission. See Appendix B for more details.
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