Table 4.

Sources of uncertainty in SN counts.

TypeImpactOn
SFR/SNR20 per cent factor two to threePop II
IMF +50 per centPop II
Type IIn 1 per cent0–10CC SN in DD at AB-mag > 28
Type IIn 1 per cent0CC SN
PP SN factor0PI SN
RSG factor 75 per cent−100 per cent to  + 33 per centaCC SN and PI SN
CCSN energy distribution−100 per cent to  +200 per centaCC SN
Detection change threshold (25 per cent)0WFD
Detection change threshold (25 per cent)0.01ADS
ADS cadence if > 1–2 months0ADS
Attenuation Ly α scatter100 per cent of Madaui band
Attenuation Ly α scatter35 per cent of Madauz band
Attenuation Ly α scatter0y band
Lens Model−50 per cent to 100 per centall
Magnification mu 1–2 interpolation0WFD
Magnification mu 1–2 interpolation1ADS
TypeImpactOn
SFR/SNR20 per cent factor two to threePop II
IMF +50 per centPop II
Type IIn 1 per cent0–10CC SN in DD at AB-mag > 28
Type IIn 1 per cent0CC SN
PP SN factor0PI SN
RSG factor 75 per cent−100 per cent to  + 33 per centaCC SN and PI SN
CCSN energy distribution−100 per cent to  +200 per centaCC SN
Detection change threshold (25 per cent)0WFD
Detection change threshold (25 per cent)0.01ADS
ADS cadence if > 1–2 months0ADS
Attenuation Ly α scatter100 per cent of Madaui band
Attenuation Ly α scatter35 per cent of Madauz band
Attenuation Ly α scatter0y band
Lens Model−50 per cent to 100 per centall
Magnification mu 1–2 interpolation0WFD
Magnification mu 1–2 interpolation1ADS
a

These are the lower/upper limits on how the results can vary.

Table 4.

Sources of uncertainty in SN counts.

TypeImpactOn
SFR/SNR20 per cent factor two to threePop II
IMF +50 per centPop II
Type IIn 1 per cent0–10CC SN in DD at AB-mag > 28
Type IIn 1 per cent0CC SN
PP SN factor0PI SN
RSG factor 75 per cent−100 per cent to  + 33 per centaCC SN and PI SN
CCSN energy distribution−100 per cent to  +200 per centaCC SN
Detection change threshold (25 per cent)0WFD
Detection change threshold (25 per cent)0.01ADS
ADS cadence if > 1–2 months0ADS
Attenuation Ly α scatter100 per cent of Madaui band
Attenuation Ly α scatter35 per cent of Madauz band
Attenuation Ly α scatter0y band
Lens Model−50 per cent to 100 per centall
Magnification mu 1–2 interpolation0WFD
Magnification mu 1–2 interpolation1ADS
TypeImpactOn
SFR/SNR20 per cent factor two to threePop II
IMF +50 per centPop II
Type IIn 1 per cent0–10CC SN in DD at AB-mag > 28
Type IIn 1 per cent0CC SN
PP SN factor0PI SN
RSG factor 75 per cent−100 per cent to  + 33 per centaCC SN and PI SN
CCSN energy distribution−100 per cent to  +200 per centaCC SN
Detection change threshold (25 per cent)0WFD
Detection change threshold (25 per cent)0.01ADS
ADS cadence if > 1–2 months0ADS
Attenuation Ly α scatter100 per cent of Madaui band
Attenuation Ly α scatter35 per cent of Madauz band
Attenuation Ly α scatter0y band
Lens Model−50 per cent to 100 per centall
Magnification mu 1–2 interpolation0WFD
Magnification mu 1–2 interpolation1ADS
a

These are the lower/upper limits on how the results can vary.

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