Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

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Volume 670 (February 2023)

A&A, 670 (2023) A65

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Table 3

Summary of posteriors obtained with our MCMC algorithm.

Parameter	Eps Ind A	HD 13931	HD 115954	HD 211847	HD 219077	HD 222155	HIP 70849
a (au)		5.33 ± 0.09		6.78 ± 0.08	6.4 ± 0.1	4.7 ± 0.1
Period (days)							3649 ± 18
Eccentricity	0.48 ± 0.01	<0.04	0.46 ± 0.03	0.769 ± 0.002		0.34 ± 0.09
Inclination (°)					83 ± 3 or 97 ± 3	or	96 ± 16
Mass (M_Jup)	3.0 ± 0.1			148 ± 5	11.3 ± 0.4
Ω (°)	58 ± 5	or		184 ± 5	or	or	35 ± 6
ω (°)	85 ± 3	74–227			56.2 ± 0.4	153–217	182 ± 1
Phase	0.37 ± 0.01	0.38–0.86		0.420 ± 0.004
Jitter (m s⁻¹)	3.37 ± 0.04	2.9 ± 0.3

	H03 = −39 972 ± 1	Hir94 = −13 ± 1		C98 = 6907 ± 17		ELODIE = −3999 ± 3	H03 = 53 ± 1
Instrumental offset (m s⁻¹)		Hir04 = −8.0 ± 0.5		C07 = 6849 ± 22
	UVES = −5 ± 1
					AAT = −68 ± 1

Notes. The results were obtained by combining RV, absolute astrometry, and, when available, relative astrometry. We provide 68% confidence intervals for each parameter and the median is only given when the probability distribution has a profile close to a Gaussian distribution.

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