A skewer survey of the Galactic halo from deep CFHT and INT images B. Pila-Díez, J. T. A. de Jong, K. Kuijken, R. F. J. van der Burg and H. Hoekstra A&A, 579 (2015) A38 Published online: 23 June 2015 DOI: 10.1051/0004-6361/201425457