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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 14.

Bidimensional maps of the intrinsic density and angular momentum distributions depicted as sections of the isodensity (left) and isovelocity (right) surfaces evaluated on the meriodional plane of the best-fit model (meridional sections). The vertical axis corresponds to the rotation axis, while the horizontal axis represents any principal axis on the equatorial plane. Note that the model is characterized by reflection symmetry with respect to such a plane.

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