We show that the Hopf elements, the Kervaire classes, and theκfamily in the stable homotopy groups of spheres are detected by the Hurewicz map from the sphere spectrum to the C 2 -fixed points of the Real bordism spectrum. A subset of these families is detected by the C 2 -fixed points of Real Johnson-Wilson theory ER(n), depending on n. In the proof, we establish an isomorphism between the slice spectral sequence and the C 2 -equivariant May spectral sequence of BP R .

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