The disk-bearing young star IM Lupi - X-ray properties and limits on accretionH. M. Günther, S. P. Matt, J. H. M. M. Schmitt, M. Güdel, Z.-Y. Li and D. M. BurtonA&A, 519 (2010) A97DOI: https://doi.org/10.1051/0004-6361/201014386