Table 7: Some spectral properties of the three zones N, SW and SE and of the whole cluster, assuming an age of 3.6 Myr. $Q_{\rm tot}({\rm H}^0)$ is the total photon luminosity of the cluster in the Lyman continuum range.
Zone $Q({\rm H}^0)/Q_{\rm tot}({\rm H}^0)$ T_* (kK)

N 25% 34

SW 26% 38

SE 49% 48

All 100% 41

**Table 7:** Some spectral properties of the three zones N, SW and SE and of the whole cluster, assuming an age of 3.6 Myr. $Q_{\rm tot}({\rm H}^0)$ is the total photon luminosity of the cluster in the Lyman continuum range.
Zone	$Q({\rm H}^0)/Q_{\rm tot}({\rm H}^0)$	T_* (kK)
N	25%	34
SW	26%	38
SE	49%	48
All	100%	41

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observational data and reduction
	3 Empirical diagnostics
	4 General strategy for model fitting
	5 Simple models
	6 Models with constrained density distribution
	7 Further refining of the models
	8 Sources of energy other than the ionizing flux
	9 Uncertainties in O/H and Ne/O
	10 Conclusion
	References
	Online Material
	Appendix A: Correction of Balmer lines used for dereddening
	Appendix B: Setting the geometric corrections A, B, and K