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Table 1

Summary of the orbital parameter before the merging of the He-WD and the He-core of the RG star (see text for more details).

Model M RG a M WD a M core a A b M f a

M1 1.3 0.15 0.2036 20.0 0.7549
M2 1.4 0.20 0.1967 20.0 0.7474
M3 2.0 0.20 0.2307 22.0 1.6572

Notes.

a

In M unit.

b

In R unit.

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