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A ~ 40 year variability cycle in the luminous blue variable/Wolf-Rayet Binary System HD 5980?
(Iop Publishing, 2010-06)
The massive Wolf-Rayet stellar system HD 5980 in the Small Magellanic Cloud entered a sudden and brief ~ 1-3 mag eruptive state in the mid-1990s. The cause of the instability is not yet understood, but mechanisms similar ...
The HD 5980 multiple system: masses and evolutionary status
(Iop Publishing, 2014-10)
New spectroscopic observations of the LBV/WR multiple system HD 5980 in the Small Magellanic Cloud are used to address the question of the masses and evolutionary status of the two very luminous stars in the 19.3 day ...