He II λ4686 in η Carinae: Collapse of the wind-wind collision region during periastron passage
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Date
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Teodoro, M
Damineli, Augusto
Arias, J I
De Araujo, F X
Barba, R H
Corcoran, M F
Borges Fernandes, M
Fernandez-Lajus, E
Fraga, L
McGregor, Peter
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IOP Publishing
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The periodic spectroscopic events in η Carinae are now well established and occur near the periastron passage of two massive stars in a very eccentric orbit. Several mechanisms have been proposed to explain the variations of different spectral features,
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Astrophysical Journal, The
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