The case of NGC5824, a cluster possibly embedded in a dark matter halo

Open Access

Fig. 7

MegaCam cumulative LFs of NGC 5824 for different rings. The green line and the black line represent the cluster and the background, respectively. The shaded area corresponds to the Poisson error bars ( $\sqrt{N_{s t a r s}}$ $Mathematical equation: $\sqrt{N_{stars}}$$ ). C is the contrast parameter.

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