Strömgren and near-infrared photometry of metal-rich bulge globular clusters - I. NGC 6528 and its surrounding field

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Volume 565 (May 2014)

A&A, 565 (2014) A8

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Table 2

Multilinear regression coefficients for the Strömgren metallicity index: .

Relation	α	β	γ	δ	ϵ	ζ	η	θ	ι	Multicorr	RMS

Scaled solar

m₁, y − J	–0.107	0.133	0.365	–0.196	–0.715	–0.090	0.130	0.860	–0.012	1.000	0.0007
Error	0.002	0.007	0.004	0.043	0.002	0.006	0.018	0.001	0.006	(...)	(...)
[m] , y − J	–0.138	0.132	0.500	–0.319	–0.918	–0.111	0.161	1.132	–0.004	1.000	0.0008
Error	0.002	0.007	0.005	0.041	0.002	0.006	0.026	0.001	0.005	(...)	(...)
m₁, y − H	–0.060	0.132	0.237	–0.104	–0.662	–0.068	0.133	0.649	–0.012	1.000	0.0007
Error	0.0014	0.004	0.002	0.042	0.001	0.006	0.013	0.001	0.004	(...)	(...)
[m] , y − H	–0.103	0.137	0.361	–0.174	–0.528	–0.080	0.093	0.721	–0.006	1.000	0.0009
Error	0.0014	0.007	0.003	0.040	0.001	0.008	0.018	0.001	0.006	(...)	(...)
m₁, y − K	–0.068	0.137	0.239	–0.103	–0.719	–0.070	0.137	0.650	–0.009	1.000	0.0008
Error	0.0015	0.004	0.002	0.043	0.001	0.007	0.013	0.001	0.004	(...)	(...)
[m] , y − K	–0.116	0.149	0.363	–0.155	–0.454	–0.077	0.084	0.637	–0.003	1.000	0.0008
Error	0.0015	0.007	0.003	0.045	0.001	0.008	0.021	0.001	0.007	(...)	(...)

α-enhanced
m₁, y − J	–0.123	0.091	0.310	–0.137	–0.516	–0.053	0.075	0.687	–0.019	1.000	0.0005
Error	0.001	0.005	0.003	0.050	0.001	0.005	0.016	0.002	0.004	(...)	(...)
[m] , y − J	–0.148	0.091	0.438	–0.232	–0.628	–0.065	0.084	0.869	–0.009	0.998	0.0006
Error	0.001	0.009	0.008	0.077	0.002	0.008	0.041	0.002	0.008	(...)	(...)
m₁, y − H	–0.094	0.099	0.220	–0.079	–0.467	–0.045	0.077	0.532	–0.014	1.000	0.0005
Error	0.008	0.003	0.002	0.054	0.001	0.006	0.014	0.001	0.004	(...)	(...)
[m] , y − H	–0.131	0.093	0.331	–0.145	–0.550	–0.054	0.071	0.684	–0.008	1.000	0.0005
Error	0.001	0.004	0.003	0.039	0.001	0.005	0.016	0.005	0.004	(...)	(...)
m₁, y − K	–0.101	0.096	0.217	–0.076	–0.595	–0.044	0.090	0.543	–0.011	0.999	0.0005
Error	0.001	0.003	0.001	0.050	0.001	0.005	0.012	0.001	0.003	(...)	(...)
[m] , y − K	–0.138	0.095	0.322	–0.127	–0.421	–0.048	0.058	0.596	–0.008	0.999	0.0005
Error	0.001	0.004	0.002	0.042	0.001	0.005	0.017	0.001	0.004	(...)	(...)

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