Table 3: Results of the canonical analytical modeling of the cluster, for the two metallicities Z=0.004 and Z=0.008. Single values correspond to the best fits. Parenthesized ranges correspond to theapproximate 3 $\sigma$ ranges.
Z=0.004 Observed Z=0.008

$W({\rm H}\beta )$ (Å) 204 $330\pm30$ 247

${\mathcal N}({\rm WN})$ 0.17 $\geq$ 1 0.03

Reduced $\chi^2$ 10 7

$\tau$ (Myr) 3.5 (3.4-3.6) 2.8 (2.8-3.0)

$\alpha$ 2.35 (2-3.1) 2.35 (2-3)

$m_{\rm up}$ ( $M_{\odot }$ ) 110 ( $\geq$ 90) 120 ( $\geq$ 110)

$M_{\rm tot}$ ( $M_{\odot }$ ) ( $\approx$ 3000) ( $\approx$ 3000)

${\mathcal N}({\rm O})$ ( $\approx$ 10) ( $\approx$ 12)

**Table 3:** Results of the canonical analytical modeling of the cluster, for the two metallicities Z=0.004 and Z=0.008. Single values correspond to the best fits. Parenthesized ranges correspond to theapproximate 3 $\sigma$ ranges.
	Z=0.004	Observed	Z=0.008
$W({\rm H}\beta )$ (Å)	204	$330\pm30$	247
${\mathcal N}({\rm WN})$	0.17	$\geq$ 1	0.03
Reduced $\chi^2$	10		7
$\tau$ (Myr)	3.5 (3.4-3.6)		2.8 (2.8-3.0)
$\alpha$	2.35 (2-3.1)		2.35 (2-3)
$m_{\rm up}$ ( $M_{\odot }$ )	110 ( $\geq$ 90)		120 ( $\geq$ 110)
$M_{\rm tot}$ ( $M_{\odot }$ )	( $\approx$ 3000)		( $\approx$ 3000)
${\mathcal N}({\rm O})$	( $\approx$ 10)		( $\approx$ 12)

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