Image Details
Caption: Figure 9.
Contour map of the critical mass ratio ﹩{q}_{{{\rm{L}}}_{2}}﹩ for donor stars overfilling their outer Lagrangian surface ﹩{R}_{{{\rm{L}}}_{2}}﹩ (another kind of unstable mass transfer to form a common envelope, CE) on the MRD. Different thick black lines have the same meanings as explained in Figure 8.
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