Structure of the heliosheath from HSTOF energetic neutral atoms measurements A. Czechowski, M. Hilchenbach, K. C. Hsieh, M. Bzowski, S. Grzedzielski, J. M. Sokół and J. Grygorczuk A&A, 618 (2018) A26 Published online: 09 October 2018 DOI: 10.1051/0004-6361/201732432