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A Family Picture: Tracing the Dynamical Path of the Structural Properties of Multiple Populations in Globular Clusters

  • Authors: Emanuele Dalessandro, M. Cadelano, E. Vesperini, S. Martocchia, F. R. Ferraro, B. Lanzoni, N. Bastian, J. Hong, and N. Sanna

2019 The Astrophysical Journal Letters 884 L24.

  • Provider: AAS Journals

Caption: Figure 1.

(a1) (﹩{m}_{F814W},{C}_{F275W,F336W,F438W}﹩) CMD of NGC 6541. Data are from Nardiello et al. (2018). The red and blue lines represent the two fiducial lines at the edge of the RGB. Black dots are stars selected as described in Section 2. (a2) Verticalized ﹩{m}_{F814W},{{\rm{\Delta }}}_{F275W,F336W,F428W}﹩ distribution of RGB stars with respect to the fiducial lines. (a3) The derived (﹩{{\rm{\Delta }}}_{F275W,F814W},{{\rm{\Delta }}}_{F275W,F336W,F438W}﹩) diagram. The black dashed line marks the boundary between FP and SP stars. (b1) (﹩U,(U-B)-(B-I)﹩) CMD of NGC 288. Data are from Stetson et al. (2019). The red line represents the fiducial line at the bluer edge of the RGB. (b2) Distribution of the verticalized color ﹩{{\rm{\Delta }}}_{(U-B)-(B-I)}﹩. As before, the black dashed line marks the limit adopted to separate FP from SP stars.

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