Tidal effects on the radial velocity curve of HD 77581 (Vela X-1)

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Table 5

Model input parameters and RV curve amplitudes.

Name	Sp. Type	i	β₀	R₁	M₁	v sin i	e	P	M_ns	References

4U1538-52	B0Iab	68	0.91	15.7	15.4	180(20)	0.17	3.73	0.874 ± 0.073	4, 5, 6, 7
SMC X-1	B0Ib	67	0.91	16.4	15.7	170(30)	0.0	3.89	1.0	1
Her X-1	B–A,F	> 86	1.00	3.8	2.0	.....	0.0	1.70	1.07 ± 0.358	7
LMC X-4	O8III	68	0.97	7.8	14.5	240(25)	0.0	1.41	1.25	1
Cen X-3	O6.5II-III	72	0.75	12.1	20.2	200(40)	0.0	2.09	1.34	1
Vela X-1	B0.5Iab	79	0.67	31.8	24.0	116(6)	0.09	8.96	1.77 ± 0.083	4,7,8,9
Cyg X-2	A9III	62	1.2	7.0	0.6	34(2.5)	0.0:	9.84	1.78 ± 0.23	10, 11

Notes. ¹ van der Meer et al. (2007) and references therein; ⁴ Rawls et al. (2011); ⁵ Clark 2000; ⁶ Mukherjee et al. (2006); ⁷ van Kerkwijk et al. (1995); ⁸ Barziv et al. (2001); ⁹ Kreykenbohm et al. (2008); ¹⁰ Podsiadlowski & Rappaport (2000); ¹¹ Casares et al. (1998).

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