Chandra observation of the Galactic supernova remnant CTB 109 (G109.1–1.0) M. Sasaki, P. P. Plucinsky, T. J. Gaetz and F. Bocchino A&A, 552 (2013) A45 Published online: 21 March 2013 DOI: 10.1051/0004-6361/201220836