eps Aur abstract: Leadbeater et al.
High Cadence Measurement of Neutral Sodium and Potassium Absorption During the 2009–2011 Eclipse of epsilon Aurigae
Robin Leadbeater
Three Hills Observatory, The Birches, CA7 1JF, UK
Christian Buil
Castanet Tolosan Observatory, 6 Place Clemence Isaure, 31320 Castanet Tolosan, France