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Table 6

Derived merger timescales of the confirmed sdB+WD systems.

Object Period MComp Time Merger
[days] [M] [Gyr] result

PG 0941+280 0.311 0.415 10.27 WD/RCrB
PG 2345+318 0.241 0.366 5.78 WD/RCrB
PG 1432+159 0.225 0.283 6.01 WD/RCrB
J113840003531 0.208 0.415 3.49 WD/RCrB
HS 1741+2133 0.20 0.389 3.34 WD/RCrB
HE 14140309 0.192 0.366 3.16 WD/RCrB
J083006+475150 0.148 0.137 3.77 AM CVn
EC004044429 0.128 0.305 1.26 WD/RCrB
PG 1043+760 0.120 0.101 2.88 AM CVn
KPD 1930+2752 0.095 0.903 0.23 SN Ia
KPD 0422+5421 0.090 0.483 0.33 WD/RCrB
CD30°11223 0.049 0.732 0.05 SN Ia

Notes. The derived MComp are minimum companion masses which means that the merger timescales are upper limits to merger times.

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