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Table 4.

AMPEL sample channel parameter settings and rerun statistics for cases when only transients close to host galaxies of z <  0.1 are included.

Channel RealBogus Detections History Image Gaia SNe Ia Detections Phase(< 0) Phase(<  − 10) SNe Ia Detections Phase(< 0) Phase(<  − 10)
(all) (all) (all) (all) (no AGN) (no AGN) (no AGN) (no AGN)
85 0.3 4 Persistent Good Nominal 21 261 0.750 0.000 19 143 0.714 0.000
34 0.5 2 Multinight Excellent Nominal 20 231 0.867 0.067 18 136 0.846 0.077
16 0.5 2 New All Nominal 17 160 0.923 0.385 15 101 0.909 0.273
29 0.5 4 New Excellent Nominal 4 9 1.000 0.000 3 6 1.000 0.000
84 0.3 8 Multinight All Moderate 11 32 0.333 0.000 10 24 0.375 0.000
28 0.5 2 New Excellent Nominal 15 117 0.917 0.333 14 79 0.909 0.273

Notes. Columns 2–6 show settings used for parameters in Table 2, Cols. 7–10 show statistics including all targets, and Cols. 11–14 show the same statistics when excluding AGN-associated candidates. The phase estimates describe the fraction of the matched SNe Ia with a good peak phase estimate that were accepted by the channel either prior to light-curve peak or to −10 days with respect to the peak.

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