Resolving the unresolved: Discovery and dynamical masses of the brown dwarf binary DE1756−45

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Table 1

Average annual values of σ_x/σ_y and ρ for DE1756-45DE1756-45 and for field stars.

	σ_x/σ_y		ρ

mjd	year	DE1756-45	Field stars	DE1756-45	Field stars
55 736	2011	1.027	0.945	0.060	0.023
56 092	2012	1.015	0.990	0.030	–0.018
56 463	2013	0.945	0.966	–0.006	–0.056
57 579	2016	0.961	0.975	–0.068	–0.021
57 934	2017	1.019	0.990	–0.044	0.002
58 195	2018	1.080	1.002	–0.032	0.018
58 660	2019	1.064	1.004	0.000	–0.004

Notes. Uncertainties for each term are between ±0.003 and ±0.005.

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