Discovery of a red supergiant counterpart to RX J004722.4–252051, a ULX in NGC 253
Heida, M ; Torres, M. A. P ; Jonker, P. G ; Servillat, M ; Repetto, S ; Roberts, T. P ; Walton, D. J ; Moon, D.-S ; Harrison, F. A
Monthly notices of the Royal Astronomical Society, 2015-11, Vol.453 (4), p.3510-3518 [Periódico revisado por pares]London: Oxford University Press
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