He II Λ4686 Emission from the Massive Binary System in Η Car: Constraints to the Orbital Elements and the Nature of the Periodic Minima
M. Teodoro,A. Damineli,B. Heathcote,N. D. Richardson,A. F. J. Moffat,L. St-Jean,C. Russell,T. R. Gull,T. I. Madura,K. Pollard,F. Walter, A. Coimbra,R. Prates,E. Fernandez-Lajus,R. C. Gamen,G. Hickel, W. Henrique,F. Navarete,T. Andrade,F. Jablonski,P. Luckas, M. Locke,J. Powles, T. Bohlseni, R. Chinii,M. F. Corcoran,K. Hamaguchi,J. H. Groh,D. J. Hillier,G. Weigelt The Astrophysical Journal(2016)
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binaries: general,circumstellar matter,stars: individual (eta Carinae),stars: massive
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