Alpha Virginis: line-profile variations and orbital elements David Harrington, Gloria Koenigsberger, Enrique Olguín, Ilya Ilyin, Svetlana V. Berdyugina, Bruno Lara and Edmundo Moreno A&A, 590 (2016) A54 Published online: 10 May 2016 DOI: 10.1051/0004-6361/201526507