Cluster membership selection based on PMs, for stars that passed the photometric quality selections and have measurable PMs. (a)–(b) VPD and m_F322W2 versus m_F150W2 − m_F322W2 CMD, respectively. (c) m_F322W2 magnitude versus the one-dimensional PM (μ_R). The red line separates cluster members from field stars. (d)–(e) VPD and m_F322W2 versus m_F150W2 − m_F322W2 CMD for stars that passed the PM selection. (f)–(g) same diagrams for stars that did not pass the PM selection. In panels (c) through (g), sources that passed the PM selection are represented by blue dots, while those that did not pass are depicted as orange crosses. In panels (b), (e) and (g), the shaded light red and dark red regions highlight areas of the CMDs affected by mild and severe saturation, respectively.