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We present an analysis of multi-epoch low-resolution spectrophotometry,complemented by the light curves provided by massive photometric surveysspanning over 100 years, of the symbiotic binary LMC S63. We showed that it isan eclipsing binary with the orbital period of 1050d. We also found evidence ofoutbursts in history of the white dwarf. If it was a Z-And type outburst, as ismost likely, it would be a second such outburst recorded in the MagellanicCloud symbiotic system. We confirmed that the red giant is enhanced in carbon,and estimated C/O~1.2 by fitting a model atmosphere to the SALT spectrum. Wealso found bi-periodic pulsations of the red giant, and demonstrated that it issimilar to other carbon variables with confirmed bi-periodicity.

LMC S63: a historical reappraisal of the outburst behaviour of a deeply eclipsing Magellanic symbiotic star