@article{article464607e2, title = {To v∞ and beyond!: The He I absorption variability across the 2014.6 periastron passage of η Carinae}, author = {Richardson, Noel D and Madura, Thomas and St-Jean, Lucas and Moffat, Anthony F. J and Gull, Theodore R and Russell, Christopher M. P and Damineli Neto, Augusto and Teodoro, Mairan and Corcoran, Michael F and Walter, Frederick M and Clementel, Nicola and Groh, Jose H and Hamaguchi, Kenji and Hillier, D. John}, year = {2016}, doi = {10.1093/mnras/stw1415}, journal = {Monthty Notices of the Royal Astronomical Society} }