High-precision broad-band linear polarimetry of early-type binaries - I. Discovery of variable, phase-locked polarization in HD 48099

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Volume 591 (July 2016)

A&A, 591 (2016) A92

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Table 4

Best fits to the data obtained for three scattering models.

	W	q₀ (%)	u₀ (%)	i(deg)	Ω(deg)	RMSD (%)

Reflecting shells: A – primary star, B – secondary star
B	A: 9.77 ± 2.90	0.1647 ± 0.0014	0.0753 ± 0.0014	15	83.3 ± 0.8	0.00677
	B: 7.49 ± 0.99
V	A: 6.75 ± 2.50	0.1744 ± 0.0012	0.0632 ± 0.0012	15	82.7 ± 0.8	0.00582
	B: 6.76 ± 0.85
R	A: 6.28 ± 1.90	0.1632 ± 0.0012	0.0533 ± 0.0012	16	81.5 ± 1.0	0.00535
	B: 4.45 ± 0.64

Scattering cloud due to wind collision
	0.282 ± 0.009	0.1628 ± 0.0014	0.0760 ± 0.0014	15	83.4 ± 0.8	0.00677
	0.292 ± 0.009	0.1629 ± 0.0014	0.0759 ± 0.0014	16	83.4 ± 0.8	0.00672
	0.298 ± 0.009	0.1632 ± 0.0014	0.0758 ± 0.0014	17	83.4 ± 0.8	0.00671
B	0.307 ± 0.009	0.1635 ± 0.0014	0.0757 ± 0.0014	18	83.4 ± 0.8	0.00673
	0.319 ± 0.009	0.1638 ± 0.0014	0.0756 ± 0.0014	19	83.4 ± 0.8	0.00678
	0.334 ± 0.010	0.1641 ± 0.0014	0.0754 ± 0.0014	20	83.4 ± 0.8	0.00687

	0.237 ± 0.007	0.1731 ± 0.0012	0.0638 ± 0.0012	15	82.8 ± 0.9	0.00588
	0.245 ± 0.007	0.1732 ± 0.0012	0.0637 ± 0.0012	16	82.8 ± 0.9	0.00584
	0.250 ± 0.008	0.1735 ± 0.0012	0.0636 ± 0.0012	17	82.8 ± 0.8	0.00580
V	0.257 ± 0.008	0.1737 ± 0.0012	0.0635 ± 0.0012	18	82.8 ± 0.8	0.00579
	0.267 ± 0.008	0.1740 ± 0.0012	0.0634 ± 0.0012	19	82.8 ± 0.8	0.00580
	0.280 ± 0.008	0.1742 ± 0.0012	0.0633 ± 0.0012	20	82.8 ± 0.8	0.00585

	0.191 ± 0.007	0.1616 ± 0.0012	0.0539 ± 0.0012	15	81.6 ± 0.9	0.00532
	0.198 ± 0.007	0.1617 ± 0.0012	0.0538 ± 0.0012	16	81.6 ± 0.9	0.00530
	0.202 ± 0.007	0.1619 ± 0.0012	0.0538 ± 0.0012	17	81.6 ± 0.9	0.00530
R	0.208 ± 0.007	0.1621 ± 0.0012	0.0537 ± 0.0012	18	81.6 ± 0.9	0.00533
	0.216 ± 0.007	0.1623 ± 0.0012	0.0536 ± 0.0012	19	81.6 ± 0.9	0.00537
	0.227 ± 0.008	0.1625 ± 0.0012	0.0535 ± 0.0012	20	81.6 ± 0.9	0.00544

Accretion stream
B	1.328 ± 0.040	0.1631 ± 0.0013	0.0765 ± 0.0013	16	90.0 ± 0.8	0.00690
V	1.225 ± 0.038	0.1731 ± 0.0011	0.0642 ± 0.0011	15	90.0 ± 0.9	0.00604
R	0.828 ± 0.028	0.1620 ± 0.0010	0.0542 ± 0.0010	17	87.7 ± 1.0	0.00536

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