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Table B.1.

Optical photometry of SN 2020nlb taken with the LT, NOT, and the 67/91 Schmidt Telescope.

MJD t [days] Instrument Filter Magnitude
59025.94 -16.12 LT/IO:O u′ 18.76 ± 0.04
59026.87 -15.20 Schmidt u′ 17.58 ± 0.10
59026.93 -15.13 LT/IO:O u′ 17.61 ± 0.04
59028.87 -13.20 Schmidt u′ 15.80 ± 0.07
59028.94 -13.13 LT/IO:O u′ 15.64 ± 0.06
59029.90 -12.17 LT/IO:O u′ 14.89 ± 0.03
59030.93 -11.14 LT/IO:O u′ 14.26 ± 0.03
59031.92 -10.16 LT/IO:O u′ 13.77 ± 0.04
59032.90 -9.18 LT/IO:O u′ 13.41 ± 0.09
59033.89 -8.19 LT/IO:O u′ 13.15 ± 0.03
59034.89 -7.20 LT/IO:O u′ 13.01 ± 0.06
59035.89 -6.20 Schmidt u′ 12.84 ± 0.09
59035.90 -6.19 LT/IO:O u′ 12.98 ± 0.03
59036.89 -5.20 LT/IO:O u′ 12.76 ± 0.05
59037.86 -4.23 Schmidt u′ 12.81 ± 0.03
59038.86 -3.23 Schmidt u′ 12.78 ± 0.06
59039.91 -2.19 LT/IO:O u′ 12.68 ± 0.15
59040.91 -1.19 LT/IO:O u′ 12.66 ± 0.04
59041.91 -0.19 LT/IO:O u′ 12.69 ± 0.06
59043.90 1.79 LT/IO:O u′ 12.86 ± 0.04
59044.92 2.81 LT/IO:O u′ 12.98 ± 0.04
59049.94 7.82 NOT/ALFOSC u′ 13.54 ± 0.14
59050.89 8.77 LT/IO:O u′ 13.72 ± 0.05
59052.90 10.77 LT/IO:O u′ 13.98 ± 0.06
59054.89 12.76 LT/IO:O u′ 14.31 ± 0.04
59056.89 14.76 LT/IO:O u′ 14.63 ± 0.04
59059.90 17.75 LT/IO:O u′ 15.04 ± 0.15
59060.88 18.73 LT/IO:O u′ 15.21 ± 0.13
59064.88 22.72 LT/IO:O u′ 15.58 ± 0.08
59066.87 24.71 LT/IO:O u′ 15.71 ± 0.07
59070.87 28.70 LT/IO:O u′ 16.05 ± 0.09
59073.86 31.68 LT/IO:O u′ 16.16 ± 0.16
59163.27 120.88 LT/IO:O u′ 18.29 ± 0.10
59172.25 129.84 LT/IO:O u′ 18.50 ± 0.05
59189.22 146.77 LT/IO:O u′ 18.92 ± 0.16
59194.23 151.77 LT/IO:O u′ 19.00 ± 0.07
59201.23 158.75 LT/IO:O u′ 19.17 ± 0.05
59206.16 163.67 LT/IO:O u′ 19.13 ± 0.07
59233.14 190.58 NOT/ALFOSC u′ 19.65 ± 0.07
59257.12 214.51 LT/IO:O u′ 20.13 ± 0.09
59025.94 -16.12 LT/IO:O g′ 16.60 ± 0.01
59026.88 -15.19 Schmidt g′ 15.75 ± 0.02
59026.93 -15.14 LT/IO:O g′ 15.71 ± 0.02
59028.88 -13.19 Schmidt g′ 14.49 ± 0.01
59028.94 -13.13 LT/IO:O g′ 14.43 ± 0.02
59029.90 -12.17 LT/IO:O g′ 14.01 ± 0.02
59030.93 -11.14 LT/IO:O g′ 13.61 ± 0.02
59031.92 -10.16 LT/IO:O g′ 13.26 ± 0.04
59032.90 -9.18 LT/IO:O g′ 12.96 ± 0.06
59033.89 -8.19 LT/IO:O g′ 12.76 ± 0.07
59034.89 -7.20 LT/IO:O g′ 12.63 ± 0.05
59035.89 -6.20 LT/IO:O g′ 12.43 ± 0.06
59036.89 -5.20 LT/IO:O g′ 12.35 ± 0.02
59037.88 -4.21 Schmidt g′ 12.27 ± 0.01
59038.88 -3.22 Schmidt g′ 12.17 ± 0.02
59039.91 -2.19 LT/IO:O g′ 12.12 ± 0.02
59040.91 -1.19 LT/IO:O g′ 12.08 ± 0.02
59041.91 -0.19 LT/IO:O g′ 12.10 ± 0.03
59044.92 2.81 LT/IO:O g′ 12.15 ± 0.02
59049.94 7.82 NOT/ALFOSC g′ 12.41 ± 0.08
59050.89 8.77 LT/IO:O g′ 12.40 ± 0.04
59052.90 10.77 LT/IO:O g′ 12.56 ± 0.03
59054.89 12.76 LT/IO:O g′ 12.75 ± 0.04
59056.89 14.76 LT/IO:O g′ 12.93 ± 0.07
59059.90 17.75 LT/IO:O g′ 13.23 ± 0.07
59060.88 18.74 LT/IO:O g′ 13.29 ± 0.07
59064.88 22.72 LT/IO:O g′ 13.69 ± 0.04
59066.88 24.72 LT/IO:O g′ 13.87 ± 0.04
59070.87 28.70 LT/IO:O g′ 14.11 ± 0.03
59073.86 31.68 LT/IO:O g′ 14.34 ± 0.17
59075.86 33.68 LT/IO:O g′ 14.46 ± 0.05
59163.27 120.88 LT/IO:O g′ 16.04 ± 0.01
59172.25 129.84 LT/IO:O g′ 16.20 ± 0.02
59189.22 146.77 LT/IO:O g′ 16.48 ± 0.01
59194.24 151.77 LT/IO:O g′ 16.55 ± 0.01
59201.24 158.76 LT/IO:O g′ 16.66 ± 0.01
59206.17 163.67 LT/IO:O g′ 16.76 ± 0.02
59212.14 169.63 LT/IO:O g′ 16.86 ± 0.01
59233.15 190.59 NOT/ALFOSC g′ 17.09 ± 0.03
59257.13 214.51 LT/IO:O g′ 17.52 ± 0.01
59262.08 219.46 LT/IO:O g′ 17.65 ± 0.05
59268.04 225.40 LT/IO:O g′ 17.69 ± 0.02
59291.10 248.40 NOT/ALFOSC g′ 17.97 ± 0.05
59314.03 271.28 NOT/ALFOSC g′ 18.29 ± 0.03
59322.92 280.15 NOT/ALFOSC g′ 18.39 ± 0.03
59353.00 310.15 NOT/ALFOSC g′ 18.88 ± 0.02
59367.92 325.04 NOT/ALFOSC g′ 19.16 ± 0.04
59411.89 368.90 LT/IO:O g′ 19.75 ± 0.08
59025.91 -16.15 LT/IO:O r′ 16.32 ± 0.01
59025.94 -16.12 LT/IO:O r′ 16.29 ± 0.02
59026.88 -15.19 Schmidt r′ 15.56 ± 0.02
59026.91 -15.16 LT/IO:O r′ 15.52 ± 0.01
59026.93 -15.14 LT/IO:O r′ 15.49 ± 0.05
59028.88 -13.19 Schmidt r′ 14.40 ± 0.01
59028.90 -13.17 LT/IO:O r′ 14.38 ± 0.03
59028.92 -13.14 LT/IO:O r′ 14.37 ± 0.03
59028.94 -13.13 LT/IO:O r′ 14.36 ± 0.02
59029.89 -12.19 LT/IO:O r′ 13.95 ± 0.02
59029.90 -12.17 LT/IO:O r′ 13.95 ± 0.01
59030.90 -11.17 LT/IO:O r′ 13.56 ± 0.02
59030.93 -11.14 LT/IO:O r′ 13.56 ± 0.02
59031.94 -10.14 LT/IO:O r′ 13.24 ± 0.01
59032.90 -9.18 LT/IO:O r′ 13.00 ± 0.02
59033.89 -8.19 LT/IO:O r′ 12.79 ± 0.07
59034.89 -7.20 LT/IO:O r′ 12.61 ± 0.03
59035.89 -6.20 LT/IO:O r′ 12.50 ± 0.02
59036.89 -5.20 LT/IO:O r′ 12.36 ± 0.01
59037.88 -4.21 Schmidt r′ 12.33 ± 0.01
59038.88 -3.21 Schmidt r′ 12.26 ± 0.01
59039.86 -2.23 Schmidt r′ 12.19 ± 0.02
59039.90 -2.20 LT/IO:O r′ 12.19 ± 0.02
59040.91 -1.18 LT/IO:O r′ 12.16 ± 0.03
59041.89 -0.21 LT/IO:O r′ 12.15 ± 0.02
59044.92 2.81 LT/IO:O r′ 12.15 ± 0.04
59049.94 7.82 NOT/ALFOSC r′ 12.40 ± 0.08
59050.89 8.77 LT/IO:O r′ 12.40 ± 0.02
59051.90 9.77 LT/IO:O r′ 12.48 ± 0.02
59052.90 10.77 LT/IO:O r′ 12.56 ± 0.01
59056.90 14.76 LT/IO:O r′ 12.75 ± 0.04
59057.89 15.75 LT/IO:O r′ 12.75 ± 0.03
59058.88 16.74 LT/IO:O r′ 12.78 ± 0.02
59059.86 17.72 LT/IO:O r′ 12.79 ± 0.14
59060.88 18.74 LT/IO:O r′ 12.82 ± 0.04
59064.88 22.72 LT/IO:O r′ 12.96 ± 0.03
59066.88 24.72 LT/IO:O r′ 13.05 ± 0.02
59070.87 28.70 LT/IO:O r′ 13.31 ± 0.06
59073.86 31.68 LT/IO:O r′ 13.53 ± 0.08
59075.86 33.68 LT/IO:O r′ 13.71 ± 0.10
59163.28 120.88 LT/IO:O r′ 16.54 ± 0.01
59172.25 129.84 LT/IO:O r′ 16.80 ± 0.02
59189.22 146.77 LT/IO:O r′ 17.25 ± 0.02
59194.24 151.77 LT/IO:O r′ 17.37 ± 0.03
59201.24 158.76 LT/IO:O r′ 17.54 ± 0.01
59206.17 163.68 LT/IO:O r′ 17.66 ± 0.03
59212.14 169.63 LT/IO:O r′ 17.81 ± 0.02
59225.15 182.61 Schmidt r′ 18.24 ± 0.08
59233.15 190.59 NOT/ALFOSC r′ 18.21 ± 0.03
59257.13 214.51 LT/IO:O r′ 18.81 ± 0.02
59262.08 219.46 LT/IO:O r′ 19.08 ± 0.15
59268.04 225.40 LT/IO:O r′ 19.05 ± 0.03
59291.10 248.40 NOT/ALFOSC r′ 19.43 ± 0.03
59314.03 271.28 NOT/ALFOSC r′ 19.77 ± 0.03
59322.93 280.15 NOT/ALFOSC r′ 19.89 ± 0.04
59353.00 310.15 NOT/ALFOSC r′ 20.39 ± 0.04
59367.92 325.04 NOT/ALFOSC r′ 20.77 ± 0.09
59411.89 368.90 LT/IO:O r′ 21.33 ± 0.34
59025.94 -16.12 LT/IO:O i′ 16.86 ± 0.02
59026.88 -15.18 Schmidt i′ 15.97 ± 0.03
59026.93 -15.14 LT/IO:O i′ 15.98 ± 0.03
59028.89 -13.18 Schmidt i′ 14.68 ± 0.01
59028.93 -13.13 LT/IO:O i′ 14.71 ± 0.03
59029.90 -12.17 LT/IO:O i′ 14.25 ± 0.02
59030.93 -11.14 LT/IO:O i′ 13.85 ± 0.01
59031.92 -10.15 LT/IO:O i′ 13.53 ± 0.04
59032.90 -9.18 LT/IO:O i′ 13.25 ± 0.05
59033.89 -8.19 LT/IO:O i′ 13.09 ± 0.05
59034.89 -7.19 LT/IO:O i′ 12.95 ± 0.03
59035.89 -6.20 LT/IO:O i′ 12.83 ± 0.02
59036.89 -5.20 LT/IO:O i′ 12.76 ± 0.02
59037.88 -4.21 Schmidt i′ 12.69 ± 0.01
59038.88 -3.21 Schmidt i′ 12.67 ± 0.01
59039.87 -2.23 Schmidt i′ 12.69 ± 0.02
59039.91 -2.19 LT/IO:O i′ 12.73 ± 0.02
59040.91 -1.18 LT/IO:O i′ 12.73 ± 0.02
59041.91 -0.19 LT/IO:O i′ 12.79 ± 0.03
59043.90 1.79 LT/IO:O i′ 12.83 ± 0.04
59044.92 2.81 LT/IO:O i′ 12.87 ± 0.03
59049.94 7.82 NOT/ALFOSC i′ 13.08 ± 0.02
59050.89 8.77 LT/IO:O i′ 13.16 ± 0.03
59052.90 10.77 LT/IO:O i′ 13.31 ± 0.03
59054.89 12.76 LT/IO:O i′ 13.32 ± 0.04
59056.90 14.76 LT/IO:O i′ 13.29 ± 0.04
59059.90 17.76 LT/IO:O i′ 13.23 ± 0.03
59060.88 18.74 LT/IO:O i′ 13.23 ± 0.02
59064.88 22.73 LT/IO:O i′ 13.22 ± 0.03
59066.88 24.72 LT/IO:O i′ 13.24 ± 0.04
59070.87 28.70 LT/IO:O i′ 13.44 ± 0.05
59073.86 31.68 LT/IO:O i′ 13.63 ± 0.17
59075.86 33.68 LT/IO:O i′ 13.83 ± 0.16
59163.28 120.89 LT/IO:O i′ 16.77 ± 0.01
59172.25 129.84 LT/IO:O i′ 17.00 ± 0.01
59189.22 146.77 LT/IO:O i′ 17.32 ± 0.02
59194.24 151.78 LT/IO:O i′ 17.47 ± 0.03
59201.24 158.76 LT/IO:O i′ 17.55 ± 0.02
59206.17 163.68 LT/IO:O i′ 17.61 ± 0.02
59212.14 169.63 LT/IO:O i′ 17.75 ± 0.02
59233.15 190.59 NOT/ALFOSC i′ 18.08 ± 0.03
59257.13 214.51 LT/IO:O i′ 18.38 ± 0.02
59262.08 219.46 LT/IO:O i′ 18.34 ± 0.12
59268.04 225.40 LT/IO:O i′ 18.49 ± 0.02
59291.10 248.41 NOT/ALFOSC i′ 18.87 ± 0.03
59314.03 271.28 NOT/ALFOSC i′ 19.11 ± 0.05
59322.93 280.15 NOT/ALFOSC i′ 19.23 ± 0.06
59353.00 310.16 NOT/ALFOSC i′ 19.61 ± 0.04
59367.92 325.04 NOT/ALFOSC i′ 19.87 ± 0.06
59411.89 368.90 LT/IO:O i′ 20.42 ± 0.19
59025.94 -16.12 LT/IO:O B 17.00 ± 0.02
59026.87 -15.19 Schmidt B 16.12 ± 0.05
59026.93 -15.13 LT/IO:O B 16.06 ± 0.03
59028.87 -13.20 Schmidt B 14.63 ± 0.03
59028.94 -13.13 LT/IO:O B 14.63 ± 0.02
59029.90 -12.17 LT/IO:O B 14.11 ± 0.03
59030.93 -11.14 LT/IO:O B 13.65 ± 0.03
59031.92 -10.16 LT/IO:O B 13.30 ± 0.02
59032.90 -9.18 LT/IO:O B 13.02 ± 0.03
59033.89 -8.19 LT/IO:O B 12.82 ± 0.03
59034.89 -7.20 LT/IO:O B 12.66 ± 0.02
59035.89 -6.20 LT/IO:O B 12.48 ± 0.04
59036.89 -5.20 LT/IO:O B 12.37 ± 0.02
59037.87 -4.22 Schmidt B 12.27 ± 0.03
59038.87 -3.22 Schmidt B 12.24 ± 0.03
59039.86 -2.23 Schmidt B 12.18 ± 0.03
59039.91 -2.19 LT/IO:O B 12.14 ± 0.02
59040.91 -1.19 LT/IO:O B 12.17 ± 0.02
59041.91 -0.19 LT/IO:O B 12.08 ± 0.03
59043.90 1.79 LT/IO:O B 12.16 ± 0.02
59044.92 2.81 LT/IO:O B 12.17 ± 0.03
59049.94 7.82 NOT/ALFOSC B 12.56 ± 0.07
59050.89 8.77 LT/IO:O B 12.65 ± 0.04
59052.90 10.77 LT/IO:O B 12.89 ± 0.02
59054.89 12.76 LT/IO:O B 13.16 ± 0.03
59056.89 14.76 LT/IO:O B 13.41 ± 0.02
59059.90 17.75 LT/IO:O B 13.78 ± 0.03
59060.88 18.73 LT/IO:O B 13.88 ± 0.02
59064.88 22.72 LT/IO:O B 14.26 ± 0.04
59066.87 24.72 LT/IO:O B 14.47 ± 0.02
59070.87 28.70 LT/IO:O B 14.74 ± 0.02
59073.86 31.68 LT/IO:O B 14.95 ± 0.07
59075.86 33.68 LT/IO:O B 15.03 ± 0.02
59163.27 120.88 LT/IO:O B 16.44 ± 0.02
59172.25 129.84 LT/IO:O B 16.59 ± 0.02
59189.22 146.77 LT/IO:O B 16.82 ± 0.02
59194.24 151.77 LT/IO:O B 16.95 ± 0.02
59201.24 158.76 LT/IO:O B 17.08 ± 0.03
59206.16 163.67 LT/IO:O B 17.12 ± 0.03
59212.14 169.63 LT/IO:O B 17.26 ± 0.03
59225.14 182.60 Schmidt B 17.50 ± 0.03
59233.14 190.59 NOT/ALFOSC B 17.58 ± 0.02
59257.13 214.51 LT/IO:O B 17.94 ± 0.03
59262.08 219.45 LT/IO:O B 17.94 ± 0.06
59268.04 225.40 LT/IO:O B 18.10 ± 0.04
59291.10 248.40 NOT/ALFOSC B 18.49 ± 0.02
59314.03 271.28 NOT/ALFOSC B 18.80 ± 0.01
59322.92 280.15 NOT/ALFOSC B 18.89 ± 0.02
59353.00 310.15 NOT/ALFOSC B 19.34 ± 0.03
59367.92 325.04 NOT/ALFOSC B 19.56 ± 0.03
59411.88 368.90 LT/IO:O B 20.45 ± 0.18
59025.94 -16.12 LT/IO:O V 16.34 ± 0.03
59026.87 -15.19 Schmidt V 15.55 ± 0.02
59026.93 -15.14 LT/IO:O V 15.52 ± 0.03
59028.87 -13.19 Schmidt V 14.43 ± 0.02
59028.94 -13.13 LT/IO:O V 14.36 ± 0.03
59029.90 -12.17 LT/IO:O V 13.96 ± 0.01
59030.93 -11.14 LT/IO:O V 13.57 ± 0.04
59031.92 -10.16 LT/IO:O V 13.27 ± 0.04
59032.90 -9.18 LT/IO:O V 13.03 ± 0.02
59033.89 -8.19 LT/IO:O V 12.78 ± 0.09
59034.89 -7.20 LT/IO:O V 12.66 ± 0.18
59035.89 -6.20 LT/IO:O V 12.46 ± 0.06
59036.89 -5.20 LT/IO:O V 12.36 ± 0.06
59037.87 -4.22 Schmidt V 12.32 ± 0.03
59038.87 -3.22 Schmidt V 12.25 ± 0.03
59039.86 -2.23 Schmidt V 12.18 ± 0.02
59039.91 -2.19 LT/IO:O V 12.15 ± 0.04
59040.91 -1.19 LT/IO:O V 12.10 ± 0.02
59041.91 -0.19 LT/IO:O V 12.09 ± 0.02
59043.90 1.79 LT/IO:O V 12.08 ± 0.02
59044.92 2.81 LT/IO:O V 12.08 ± 0.04
59049.94 7.82 NOT/ALFOSC V 12.27 ± 0.10
59050.89 8.77 LT/IO:O V 12.27 ± 0.03
59052.90 10.77 LT/IO:O V 12.41 ± 0.04
59054.89 12.76 LT/IO:O V 12.59 ± 0.03
59056.90 14.76 LT/IO:O V 12.69 ± 0.02
59059.90 17.76 LT/IO:O V 12.91 ± 0.03
59060.88 18.74 LT/IO:O V 12.94 ± 0.06
59064.88 22.72 LT/IO:O V 13.23 ± 0.04
59066.88 24.72 LT/IO:O V 13.33 ± 0.03
59070.87 28.70 LT/IO:O V 13.68 ± 0.11
59073.86 31.68 LT/IO:O V 13.84 ± 0.16
59075.86 33.68 LT/IO:O V 13.95 ± 0.13
59163.27 120.88 LT/IO:O V 16.12 ± 0.01
59172.25 129.84 LT/IO:O V 16.31 ± 0.01
59189.22 146.77 LT/IO:O V 16.61 ± 0.02
59194.24 151.77 LT/IO:O V 16.70 ± 0.02
59201.24 158.76 LT/IO:O V 16.82 ± 0.02
59206.17 163.67 LT/IO:O V 16.92 ± 0.02
59212.14 169.63 LT/IO:O V 17.05 ± 0.03
59225.15 182.61 Schmidt V 17.33 ± 0.02
59233.14 190.59 NOT/ALFOSC V 17.41 ± 0.03
59257.13 214.51 LT/IO:O V 17.75 ± 0.02
59262.08 219.45 LT/IO:O V 17.87 ± 0.08
59268.04 225.40 LT/IO:O V 17.89 ± 0.03
59291.10 248.40 NOT/ALFOSC V 18.37 ± 0.03
59314.03 271.28 NOT/ALFOSC V 18.66 ± 0.03
59322.92 280.15 NOT/ALFOSC V 18.75 ± 0.02
59353.00 310.15 NOT/ALFOSC V 19.31 ± 0.07
59367.92 325.04 NOT/ALFOSC V 19.48 ± 0.04
59411.89 368.90 LT/IO:O V 20.06 ± 0.16

Note. The epoch in days with respect to peak B-band brightness (t) is quoted in the rest frame.

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