Spectral and atmospheric characterisation of a new benchmark brown dwarf HD 13724 B

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Volume 635 (March 2020)

A&A, 635 (2020) A203

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Table A.1

Parameters corresponding to the combined adjustment of the astrometric and RV observations of HD 13724 B derived from the MCMC posterior distributions.

Var	Units	Max(Proba)	Mode	Med	Std	CI(2.5%)	CI(97.5%)	Priors
M_⋆	[M_⊙]							N(1.14, 0.06)
π	[mas]
log(Proba)		−675.516	−685.396	−682.013	2.687	−688.373	−678.024

γ(H03)	[m s⁻¹]	20833	20885	20806	36	20733	20870	U
ΔV (CV L − H03) ^(*)	[m s⁻¹]	−229	−303	−234	133	−496	27	N(0, 300)
ΔV (C98 − H03)	[m s⁻¹]	−37.9	−35.8	−37.6	2.3	−42.2	−33.0	U
ΔV (C07 − H03)	[m s⁻¹]	−37.8	−34.2	−41.0	4.5	−49.9	−32.2	U
ΔV (C14 − H03)	[m s⁻¹]	−15.1	−21.2	−13.6	4.4	−22.3	−5.0	N(−20, 5)
S_Act	[m s⁻¹]	14.0	20.3	12.5	4.5	3.6	21.4	U
σ_J	[m s⁻¹]	7.03	7.17	7.11	0.62	5.98	8.39	U

log(P)	[day]	4.764	4.952	4.654	0.132	4.423	4.917	U
log(K)	[m s⁻¹]	2.459	2.483	2.444	0.020	2.400	2.476	U
		−0.827	−0.864	−0.792	0.043	−0.862	−0.702	U
		−0.070	−0.114	−0.067	0.014	−0.095	−0.039	U
T_{V min}	[bjd] ^(**)	56033	56038	56034	21	55993	56074	U
Ω	[deg]	17.4	19.2	16.4	4.3	7.3	23.9	U
i	[deg]	58.5	58.6	57.40	1.7	53.6	60.0	U
a_r	[mas]	721	945	606	129	421	907	U

K	[m s⁻¹]	288	304	278	13	251	299	–
P	[y]	159	245	123	41	72	226	–
e		0.688	0.760	0.632	0.067	0.498	0.747	–
ω	[deg]	184.9	187.5	184.9	1.1	182.8	187.0	–
a_r	[au]	31.3	41.2	26.3	5.6	18.3	39.5	–
M_B	[M_jup]	53.1	56.3	50.5	3.3	43.7	56.4	–
M_B.sin(i)	[M_jup]	45.3	48.1	42.5	3.5	35.3	48.6	–

Notes. ^(*) CVL stands for CORAVEL; ^(**) the date is expressed as BJD-2 400 000.

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