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Home All issues Volume 694 (February 2025) A&A, 694 (2025) A11 Full HTML
ZTF SN Ia DR2
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Table A.2.

Redshift values where 50% of the simulated SNe were found to have CSM interaction. Strength is the strength of the Hα line compared to the strength detected in SN 2015cp. Start shows how many days after the peak the interaction begins, and duration is in days as well. We fitted sigmoid functions to the results of each simulation in order to find the redshift where 50% of the interactions were recovered, assuming the reference images were of the same depth as the ones used in ZTF or 0.5 or 1 mag deeper. These values are shown in z50 ± σz50, and χred2 shows the quality of the fit.

ZTF references 0.5 mag deeper 1 mag deeper
strength start duration z50 σz50 χred2 z50 σz50 χred2 z50 σz50 χred2
0.0 – – 0.0038 0.0009 0.72 0.0042 0.0019 1.83 0.0046 0.0032 3.47
0.1 100 100 0.0041 0.0008 0.83 0.0049 0.0011 1.82 0.0049 0.0033 3.41
0.1 100 300 0.0050 0.0007 0.79 0.0055 0.0014 1.79 0.0059 0.0025 3.42
0.1 100 500 0.0053 0.0006 0.77 0.0062 0.0011 1.76 0.0068 0.0018 3.44
0.1 200 100 0.0045 0.0007 0.78 0.0050 0.0016 1.80 0.0054 0.0028 3.38
0.1 200 300 0.0053 0.0006 0.78 0.0058 0.0014 1.79 0.0063 0.0022 3.44
0.1 200 500 0.0056 0.0006 0.77 0.0066 0.0010 1.79 0.0073 0.0016 3.47
0.1 300 100 0.0050 0.0006 0.80 0.0056 0.0012 1.80 0.0059 0.0023 3.43
0.1 300 300 0.0052 0.0006 0.80 0.0061 0.0044 1.78 0.0067 0.0017 3.46
0.1 300 500 0.0053 0.0005 0.82 0.0060 0.0010 2.03 0.0069 0.0016 3.53
0.1 500 100 0.0045 0.0007 0.82 0.0048 0.0014 2.08 0.0054 0.0021 3.52
0.1 500 300 0.0050 0.0005 0.83 0.0056 0.0010 2.09 0.0062 0.0017 3.53
0.1 500 500 0.0050 0.0005 0.82 0.0057 0.0009 2.09 0.0063 0.0017 3.52
1.0 100 100 0.0041 0.0007 0.86 0.0045 0.0013 2.10 0.0046 0.0027 3.58
1.0 100 300 0.0091 0.0005 0.85 0.0096 0.0012 1.98 0.0108 0.0017 3.40
1.0 100 500 0.0111 0.0004 0.84 0.0129 0.0008 2.08 0.0139 0.0013 3.50
1.0 200 100 0.0067 0.0007 0.80 0.0077 0.0012 2.05 0.0083 0.0021 3.51
1.0 200 300 0.0104 0.0005 0.93 0.0122 0.0008 2.06 0.0130 0.0014 3.31
1.0 200 500 0.0116 0.0004 0.84 0.0129 0.0008 2.11 0.0140 0.0018 3.63
1.0 300 100 0.0086 0.0004 0.78 0.0094 0.0008 1.95 0.0100 0.0013 3.62
1.0 300 300 0.0105 0.0004 0.75 0.0118 0.0007 2.02 0.0128 0.0015 3.61
1.0 300 500 0.0109 0.0004 0.78 0.0125 0.0008 2.11 0.0139 0.0013 3.76
1.0 500 100 0.0081 0.0003 0.83 0.0090 0.0008 1.94 0.0094 0.0016 3.69
1.0 500 300 0.0104 0.0003 0.78 0.0121 0.0007 2.10 0.0133 0.0012 3.79
1.0 500 500 0.0105 0.0003 0.80 0.0122 0.0007 2.11 0.0135 0.0012 3.80
10.0 100 100 0.0091 0.0014 0.93 0.0097 0.0028 2.13 0.0087 0.0058 3.45
10.0 100 300 0.0259 0.0007 1.36 0.0299 0.0009 1.79 0.0328 0.0012 1.83
10.0 100 500 0.0297 0.0005 1.21 0.0347 0.0007 1.83 0.0383 0.0010 1.84
10.0 200 100 0.0204 0.0009 1.69 0.0223 0.0012 2.40 0.0217 0.0019 2.54
10.0 200 300 0.0314 0.0004 1.45 0.0351 0.0007 1.98 0.0377 0.0010 2.40
10.0 200 500 0.0326 0.0005 1.50 0.0374 0.0007 2.05 0.0415 0.0009 1.95
10.0 300 100 0.0221 0.0023 1.21 0.0233 0.0011 2.01 0.0231 0.0019 2.71
10.0 300 300 0.0311 0.0004 1.30 0.0350 0.0007 1.90 0.0375 0.0010 2.27
10.0 300 500 0.0328 0.0004 1.42 0.0381 0.0007 2.22 0.0423 0.0009 2.21
10.0 500 100 0.0199 0.0011 1.80 0.0224 0.0014 2.47 0.0226 0.0019 3.04
10.0 500 300 0.0323 0.0004 1.23 0.0371 0.0007 2.12 0.0406 0.0009 2.19
10.0 500 500 0.0323 0.0004 1.22 0.0373 0.0007 2.12 0.0407 0.0009 2.12

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