Figure 12 from Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. V. The Rapid Rotation of 47 Tuc Traced and Modeled in Three Dimensions

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Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. V. The Rapid Rotation of 47 Tuc Traced and Modeled in Three Dimensions

Authors: A. Bellini, P. Bianchini, A. L. Varri, J. Anderson, G. Piotto, R. P. van der Marel, E. Vesperini, and L. L. Watkins

2017 The Astrophysical Journal 844 167.

Provider: AAS Journals

Caption: Figure 12.

Intrinsic V/σ profile in the equatorial plane, based on the best-fit model. The profile reaches a peak value of ∼0.9 at around two half-light radii, indicating that 47 Tuc is rotating at a much higher rate than previously reported.

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