Metallicity-dependent kinematics and orbits in the Milky Way’s nuclear stellar disc

Open Access

Table 1

Characterisation of the two-Gaussian decomposition of the NSD metallicity distribution.

	W	[M/H]	σ_[M/H]	µ_l	σ_µl	µ_b	σ_µb	H−K_s	$σ_{H - K_{s}}$ ${\sigma _{H - {K_s}}}$
MR	0.79 ± 0.02	0.11 ± 0.01	0.26 ± 0.01	−1.13 ± 0.08	2.70 ± 0.05	0.17 ± 0.05	1.88 ± 0.05	2.24 ± 0.02	0.57 ± 0.01
MP	0.21 ± 0.02	−0.19 ± 0.03	0.73 ± 0.04	−1.43 ± 0.31	3.17 ± 0.21	−0.01 ± 0.32	3.34 ± 0.27	2.21 ±` 0.06	0.59 ± 0.04

Notes. W, [M/H], and σ_[M/H] correspond to the results from the GMM analysis of the two-Gaussian distribution, where W indicates the relative weight of each of the Gaussian components. We note that µ_l, σ_µl, µ_b, and σ_µb are in mas/yr, and H − K_s and $σ_{H - K_{s}}$ ${\sigma _{H - {K_s}}}$ are in Vega magnitudes.

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