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Table 4

Expected detection level (units of σ) of ISW signal for a Euclid-like local tracer of mass assuming Gaussian distribution for a fiducial cosmology (see Table 6).

Euclid/Method Full sky Inpainted Full sky Inpainted
maps (with ISW) maps (with ISW) map (no ISW) map (no ISW)

Gaussian matter density field
1 Simple correlation (b)  >7  >7 1.00 ± 1.30 1.00 ± 1.20
2 Field amplitude (MC)  >5  >5 0.83 ± 0.63 0.83 ± 0.63
3 Field model test (MC)  >5  >5 0.83 ± 0.63 0.83 ± 0.63

Lognormal matter density field
1 Simple correlation (b)  >7  >7 1.00 ± 1.30 1.00 ± 1.10
2 Field amplitude (MC)  >5  >5 0.80 ± 0.65 0.90 ± 0.65
3 Field model test (MC )  >5  >5 0.80 ± 0.65 0.90 ± 0.65

Notes. Methods 1–3 represent the three-step method. Angular scales included in the analysis are  =  [2−300].

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