Unveiling the 3D structure of the central molecular zone from stellar kinematics and photometry: The 50 and 20 km/s clouds

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Table A.2

Dependence of μ_l on colour H - K_s.

(H - K_s)₅₀ mag	μ_{l 50} mas/yr	(H - K_s)₂₀ mag	μ_{l 20} mas/yr	(H - K_s)_ridge mag	μ_{l ridge} mas/yr	(H - K_s)_control mag	μ_{l control} mas/yr_1
1.52 ± 0.01	2.75 ± 0.45	1.51 ± 0.01	2.88 ± 0.24	1.50 ± 0.01	3.25 ± 0.39	1.494 ± 0.002	2.45 ± 0.15
1.67 ± 0.01	2.50 ± 0.25	1.72 ± 0.01	2.55 ± 0.14	1.69 ± 0.01	2.95 ± 0.19	1.721 ± 0.002	1.75 ± 0.09
1.89 ± 0.02	2.56 ± 0.35	1.92 ± 0.01	2.47 ± 0.17	1.92 ± 0.01	2.29 ± 0.26	1.949 ± 0.002	0.57 ± 0.08
2.13 ± 0.03	3.21 ± 1.00	2.19 ± 0.01	2.03 ± 0.26	2.22 ± 0.01	0.98 ± 0.55	2.184 ± 0.002	−0.25 ± 0.09
−		−		−		2.431 ± 0.003	−0.54 ± 0.13
−		−		−		2.679 ± 0.005	−1.11 ± 0.18

Notes. H - K_s and μ_l median values obtained for the 50 and 20km/s clouds regions, the ridge region connecting them, and the control field.

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