Time to Sparkler - Accurate ages of lensed globular clusters at z = 1.4 with JWST photometry

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Table 1

Results of the SED fitting for the five candidate GCs.

ID	Age [Gyr]	[Z/H]	A_V,dust [mag]	τ [Gyr]
PRIOR	U(0,15)	U(−4,0.1)	U(0,4)	U(0,1)
1	${2.73}_{- 1.53}^{+ 5.22}$ $2.73_{-1.53}^{+5.22}$	$- {0.85}_{- 0.53}^{+ 0.66}$ $-0.85_{-0.53}^{+0.66}$	${0.22}_{- 0.16}^{+ 0.40}$ $0.22_{-0.16}^{+0.40}$	${0.61}_{- 0.37}^{+ 0.24}$ $0.61_{-0.37}^{+0.24}$
2	${2.03}_{- 1.04}^{+ 1.50}$ $2.03_{-1.04}^{+1.50}$	$- {0.48}_{- 0.57}^{+ 0.35}$ $-0.48_{-0.57}^{+0.35}$	${0.27}_{- 0.18}^{+ 0.38}$ $0.27_{-0.18}^{+0.38}$	${0.66}_{- 0.34}^{+ 0.22}$ $0.66_{-0.34}^{+0.22}$
4	${1.51}_{- 0.71}^{+ 1.24}$ $1.51_{-0.71}^{+1.24}$	$- {0.40}_{- 0.61}^{+ 0.31}$ $-0.40_{-0.61}^{+0.31}$	${0.30}_{- 0.21}^{+ 0.34}$ $0.30_{-0.21}^{+0.34}$	${0.64}_{- 0.32}^{+ 0.24}$ $0.64_{-0.32}^{+0.24}$
8	${1.74}_{- 0.78}^{+ 1.09}$ $1.74_{-0.78}^{+1.09}$	$- {0.96}_{- 0.57}^{+ 0.54}$ $-0.96_{-0.57}^{+0.54}$	${0.26}_{- 0.19}^{+ 0.31}$ $0.26_{-0.19}^{+0.31}$	${0.68}_{- 0.32}^{+ 0.21}$ $0.68_{-0.32}^{+0.21}$
10	${1.66}_{- 0.97}^{+ 1.03}$ $1.66_{-0.97}^{+1.03}$	$- {0.18}_{- 0.36}^{+ 0.19}$ $-0.18_{-0.36}^{+0.19}$	${0.46}_{- 0.34}^{+ 0.48}$ $0.46_{-0.34}^{+0.48}$	${0.64}_{- 0.24}^{+ 0.25}$ $0.64_{-0.24}^{+0.25}$

Notes. The adopted uniform priors are indicated as U(x, y), where x and y are the lower and upper limits, respectively. The median value and 68.4% confidence interval for age, metallicity, dust reddening, and τ parameter are reported for each source.

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