Citation:
Albrecht S, Winn JN, Johnson JA, Butler RP, Crane JD, Shectman SA, Thompson IB, Narita N, Sato B'ei, Hirano T, et al. Two Upper Limits on the Rossiter-Mclaughlin Effect, with Differing Implications: WASP-1 has a High Obliquity and WASP-2 is Indeterminate. \apj. 2011;738 (1) :50.