Efficiency of ETV diagrams as diagnostic tools for long-term period variations - II. Non-conservative mass transfer, and gravitational radiation

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Table 10

Minimum time spans at ε = 0.001 d and 0.01 d for several systems that lose angular momentum through gravitational radiation.

t − T₀
[yr]

System	P_e	M₁ + M₂	O−C noise level
	[d]	[M_⊙]	ε = 0.001 d	ε = 0.01 d

...	1.00	1 + 1	933	2951
...	1.00	5 + 5	244	772
...	1.00	8 + 8	165	521
CC Com	0.22	0.7 + 0.4^a	212	670
W UMa	0.33	1.2 + 0.6^a	246	779
AH Cep	1.77	16 + 13^b	216	684
WR 20a	3.69	83 + 82^c	135	426

Reference.

^(a)

Hilditch et al. (1988);

^(b)

Burkholder et al. (1997);

^(c)

Bonanos et al. (2004).

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