Figure of merit (FoM) values for the w0 and wa parameters in flat and non-flat cosmologies for GCs, GCph, WL, and different combinations of these observables, including cross-correlations between photometric galaxy clustering and weak lensing.
|w0, wa FoM||Flat||Non-flat|
Notes. The top (bottom) half of the table refers to the pessimistic (optimistic) settings, as defined in Sect. 5. For WL alone, not including IA would give a higher (but more unreliable) FoM of (27, 6) in the pessimistic setting, (54, 15) in the optimistic setting, for the flat and non-flat cosmologies respectively. We further note that for the photometric survey only (the combination GCph+WL+ in the table), no cut in z is needed in either pessimistic or optimistic settings. When, however both GCph and GCs probes are combined, the pessimistic setting only includes GCph for z < 0.9, since we lack an estimate of their cross-correlation, as discussed in Sect. 5.
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