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The SMC X-ray binary SXP4.78: a new Type II outburst and the identification and study of the optical counterpart

The SMC X-ray binary SXP4.78: a new Type II outburst and the identification and study of the optical counterpart

SXP4.78 was originally discovered in 2000 as a pulsar in the Small Magellanic Cloud by the Rossi X-ray Timing Explorer, but it was not spatially located at that time. A new detection in 2018 with the Neil GehrelsSwift Observatory during a Type II outburst permitted its position to be accurately …