Figure 9 from Gaia and Hubble Unveil the Kinematics of Stellar Populations in the Type II Globular Clusters ω Centauri and M22

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Gaia and Hubble Unveil the Kinematics of Stellar Populations in the Type II Globular Clusters ω Centauri and M22

Authors: G. Cordoni, A. P. Milone, A. F. Marino, G. S. Da Costa, E. Dondoglio, H. Jerjen, E. P. Lagioia, A. Mastrobuono-Battisti, J. E. Norris, M. Tailo, and D. Yong

2020 The Astrophysical Journal 898 147.

Provider: AAS Journals

Caption: Figure 9.

Density maps of stellar populations of ω Centauri with different nitrogen abundances and of population-a stars. The top and center rows refer to Fe-poor and Fe-rich stars, respectively, while the bottom panels show the spatial distribution of the entire sample of N-poor and N-rich stars. The ellipticities of the isodensity contours are plotted as a function of the semimajor axis.

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