Cluster Ages to Reconstruct the Milky Way Assembly (CARMA) - II. The age-metallicity relation of Gaia–Sausage–Enceladus globular clusters

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Volume 704 (December 2025)

A&A, 704 (2025) A255

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Table 1

Results of the isochrone fitting.

Name	[M/H]	E(B-V)	DM	Age
		[mag]	[mag]	[Gyr]
NGC 288	−1.12 $_{- 0.08}^{+ 0.08}$ $^{+0.08}_{-0.08}$	0.02 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	14.77 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	13.75 $_{- 0.22}^{+ 0.28}$ $^{+0.28}_{-0.22}$
NGC 362	−1.16 $_{- 0.04}^{+ 0.03}$ $^{+0.03}_{-0.04}$	0.03 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	14.79 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	11.47 $_{- 0.10}^{+ 0.11}$ $^{+0.11}_{-0.10}$
NGC 1261	−1.20 $_{- 0.02}^{+ 0.05}$ $^{+0.05}_{-0.02}$	0.01 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	16.06 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	11.81 $_{- 0.13}^{+ 0.06}$ $^{+0.06}_{-0.13}$
NGC 1851	−1.05 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	0.04 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	15.39 $_{- 0.01}^{+ 0.02}$ $^{+0.02}_{-0.01}$	11.41 $_{- 0.06}^{+ 0.05}$ $^{+0.05}_{-0.06}$
NGC 2298	−1.64 $_{- 0.03}^{+ 0.11}$ $^{+0.11}_{-0.03}$	0.22 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	14.93 $_{- 0.02}^{+ 0.02}$ $^{+0.02}_{-0.02}$	13.09 $_{- 0.35}^{+ 0.41}$ $^{+0.41}_{-0.35}$
NGC 2808	−1.04 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	0.22 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	15.01 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	11.09 $_{- 0.10}^{+ 0.11}$ $^{+0.11}_{-0.10}$
NGC 5286	−1.47 $_{- 0.04}^{+ 0.04}$ $^{+0.04}_{-0.04}$	0.25 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	15.20 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	13.47 $_{- 0.05}^{+ 0.17}$ $^{+0.17}_{-0.05}$
NGC 5897	−1.58 $_{- 0.08}^{+ 0.09}$ $^{+0.09}_{-0.08}$	0.12 $_{- 0.00}^{+ 0.01}$ $^{+0.01}_{-0.00}$	15.52 $_{- 0.02}^{+ 0.02}$ $^{+0.02}_{-0.02}$	13.10 $_{- 0.46}^{+ 0.22}$ $^{+0.22}_{-0.46}$
NGC 6205	−1.29 $_{- 0.08}^{+ 0.07}$ $^{+0.07}_{-0.08}$	0.01 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	14.34 $_{- 0.03}^{+ 0.03}$ $^{+0.03}_{-0.03}$	14.06 $_{- 0.41}^{+ 0.35}$ $^{+0.35}_{-0.41}$
NGC 6341	−1.77 $_{- 0.09}^{+ 0.08}$ $^{+0.08}_{-0.09}$	0.01 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	14.59 $_{- 0.02}^{+ 0.02}$ $^{+0.02}_{-0.02}$	13.58 $_{- 0.21}^{+ 0.22}$ $^{+0.22}_{-0.21}$
NGC 6779	−1.67 $_{- 0.02}^{+ 0.04}$ $^{+0.04}_{-0.02}$	0.24 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	15.07 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	13.52 $_{- 0.20}^{+ 0.22}$ $^{+0.22}_{-0.20}$
NGC 7089	−1.41 $_{- 0.02}^{+ 0.02}$ $^{+0.02}_{-0.02}$	0.05 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	15.32 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	12.75 $_{- 0.09}^{+ 0.29}$ $^{+0.29}_{-0.09}$
NGC 7099	−1.83 $_{- 0.02}^{+ 0.02}$ $^{+0.02}_{-0.02}$	0.04 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	14.61 $_{- 0.01}^{+ 0.01}$ $^{+0.01}_{-0.01}$	13.05 $_{- 0.09}^{+ 0.12}$ $^{+0.12}_{-0.09}$

Notes. The CMD fits and the corner plots are shown in Figure 1 and in the Appendix. These values are collected together with the other CARMA results at https://www.oas.inaf.it/en/research/m2-en/carma-en/

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