The Hercules-Lyra association revisited - New age estimation and multiplicity study T. Eisenbeiss, M. Ammler-von Eiff, T. Roell, M. Mugrauer, Ch. Adam, R. Neuhäuser, T. O. B. Schmidt and A. Bedalov A&A, 556 (2013) A53 Published online: 24 July 2013 DOI: 10.1051/0004-6361/201118362