No Sun-like dynamo on the active star ζ Andromedae from starspot asymmetry.

Autor: Roettenbacher RM; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA., Monnier JD; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA., Korhonen H; Finnish Centre for Astronomy with ESO (FINCA), University of Turku, FI-21500 Piikkiö, Finland.; Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen Ø, Denmark., Aarnio AN; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA., Baron F; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA.; Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303, USA., Che X; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA., Harmon RO; Department of Physics and Astronomy, Ohio Wesleyan University, Delaware, Ohio 48103, USA., Kővári Z; Konkoly Observatory, Research Center for Astronomy and Earth Sciences, Hungarian Academy of Sciences, H-1121 Budapest, Konkoly Thege Miklós út 15-17, Hungary., Kraus S; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA.; School of Physics, University of Exeter, Exeter, EX4 4QL, UK., Schaefer GH; Center for High Angular Resolution Astronomy, Georgia State University, Mount Wilson, California 91023, USA., Torres G; Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA., Zhao M; Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA.; Department of Astronomy and Astrophysics, Pennsylvania State University, State College, Pennsylvania 16802, USA., ten Brummelaar TA; Center for High Angular Resolution Astronomy, Georgia State University, Mount Wilson, California 91023, USA., Sturmann J; Center for High Angular Resolution Astronomy, Georgia State University, Mount Wilson, California 91023, USA., Sturmann L; Center for High Angular Resolution Astronomy, Georgia State University, Mount Wilson, California 91023, USA.

Publikováno v: Nature [Nature] 2016 May 12; Vol. 533 (7602), pp. 217-20. Date of Electronic Publication: 2016 May 04.