SPOTS: The Search for Planets Orbiting Two Stars - II. First constraints on the frequency of sub-stellar companions on wide circumbinary orbits

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Volume 593 (September 2016)

A&A, 593 (2016) A38

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Table 4

Statistical analysis results.

		CBIN sample				SS comparison sample


SMA	Mass	N_det¹	f_best²	[f_min,f_max]³		N_det¹	f_best²	[f_min,f_max] ³
(au)	(M_Jup)		(%)	CL = 68%	CL = 95%		(%)	CL = 68%	CL = 95%


10−100	2−15	1	1.35	[0.95, 4.30]	[0.35, 7.20]	1	0.90	[0.65, 2.85]	[0.25, 4.80]
	15−70	0	–	[0.00, 1.95]	[0.00, 3.85]	2	1.20	[0.85, 2.70]	[0.40, 4.20]
	2−70	1	1.15	[0.80, 3.60]	[0.30, 6.05]	3	1.90	[1.35, 3.70]	[0.70, 5.45]


10−500	2−15	1	1.30	[0.95, 4.10]	[0.35, 6.85]	2	1.60	[1.10, 3.60]	[0.50, 5.60]
	15−70	3	3.30	[2.30, 6.30]	[1.20, 9.25]	4	2.50	[1.80, 4.40]	[1.05, 6.25]
	2−70	4	4.50	[3.20, 7.80]	[1.85, 11.00]	6	3.95	[2.95, 6.15]	[1.90, 8.35]


10−1000	2−15	2	2.70	[1.85, 6.00]	[0.85, 9.25]	2	1.85	[1.30, 4.20]	[0.60, 6.55]
	15−70	3	3.55	[2.50, 6.75]	[1.30, 9.90]	4	3.05	[2.20, 5.30]	[1.25, 7.55]
	2−70	5	6.00	[4.35, 9.75]	[2.70, 13.35]	6	4.70	[3.50, 7.35]	[2.25, 9.95]

Notes.

⁽¹⁾

Number of detections in the considered mass and semi-major axis (SMA) range.

⁽²⁾

Best value of the planet frequency compatible with the observations.

⁽³⁾

Minimum and maximum values of the frequency compatible with the results, for a given confidence level (CL).

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