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Table 1.

Magnitudes of SN 2019nyk in UBVgri filters.

Date JD Phase (a) U (mag) B (mag) V (mag) g (mag) r (mag) i (mag)
(yyyy-mm-dd) (d)
2019-08-22 2458717.9 4.0 16.110 ± 0.019 16.850 ± 0.016 17.006 ± 0.043 16.755 ± 0.010 17.051 ± 0.026 17.333 ± 0.018
2019-08-23 2458718.9 5.0 16.144 ± 0.021 16.865 ± 0.017 16.932 ± 0.017 16.767 ± 0.013 17.084 ± 0.018 17.307 ± 0.023
2019-08-24 2458719.9 6.0 16.365 ± 0.044 16.957 ± 0.014 16.768 ± 0.017 17.033 ± 0.050 17.219 ± 0.030
2019-08-26 2458721.6 7.7 16.294 ± 0.019 16.916 ± 0.013 16.899 ± 0.013 16.775 ± 0.006 16.977 ± 0.011 17.116 ± 0.016
2019-08-29 2458724.7 10.8 16.543 ± 0.015 16.999 ± 0.009 16.911 ± 0.010 16.850 ± 0.005 16.957 ± 0.006 17.057 ± 0.008
2019-08-31 2458726.8 12.9 16.792 ± 0.025 17.134 ± 0.012 16.981 ± 0.012 16.954 ± 0.006 16.968 ± 0.008 17.077 ± 0.009
2019-09-02 2458728.6 14.7 16.745 ± 0.020 17.121 ± 0.012 16.945 ± 0.013 16.928 ± 0.005 16.950 ± 0.007 17.027 ± 0.011
2019-09-03 2458729.8 15.9 17.047 ± 0.018 17.163 ± 0.011 17.034 ± 0.012 16.984 ± 0.005 17.004 ± 0.006 17.095 ± 0.010
2019-09-05 2458732.1 18.2 17.045 ± 0.021 17.272 ± 0.012 17.069 ± 0.012 17.057 ± 0.005 17.018 ± 0.007 17.094 ± 0.010
2019-09-09 2458736.2 22.3 17.558 ± 0.028 17.479 ± 0.015 17.159 ± 0.014 17.189 ± 0.007 17.074 ± 0.008 17.172 ± 0.011
2019-09-13 2458739.7 25.8 17.561 ± 0.278 17.679 ± 0.096 17.311 ± 0.068 17.111 ± 0.030 17.258 ± 0.031
2019-09-17 2458743.8 29.9 17.223 ± 0.031 17.334 ± 0.045
2019-09-21 2458747.8 33.9 19.179 ± 0.058 18.350 ± 0.019 17.577 ± 0.015 17.936 ± 0.009 17.336 ± 0.009 17.400 ± 0.014
2019-09-25 2458752.3 38.4 19.479 ± 0.088 18.631 ± 0.022 17.636 ± 0.019 18.104 ± 0.015 17.374 ± 0.015 17.435 ± 0.021
2019-10-04 2458761.3 47.4 19.901 ± 0.140 19.037 ± 0.036 17.876 ± 0.018 18.442 ± 0.015 17.510 ± 0.011 17.570 ± 0.015
2019-10-06 2458762.7 48.8 20.371 ± 0.148 19.105 ± 0.033 17.975 ± 0.022 18.551 ± 0.013 17.578 ± 0.011 17.650 ± 0.016
2019-10-10 2458766.7 52.8 19.186 ± 0.097 18.020 ± 0.043 18.622 ± 0.036 17.580 ± 0.023 17.611 ± 0.031
2019-10-13 2458770.4 56.5 19.333 ± 0.046 18.120 ± 0.037 18.737 ± 0.036 17.562 ± 0.023
2019-10-20 2458776.7 62.8 19.573 ± 0.030 18.289 ± 0.018 18.887 ± 0.019 17.754 ± 0.011 17.850 ± 0.018
2019-10-26 2458783.1 69.2 20.012 ± 0.060 18.593 ± 0.027 18.019 ± 0.031
2019-11-01 2458789.1 75.2 20.175 ± 0.095 18.728 ± 0.053 19.438 ± 0.033 18.003 ± 0.023 18.090 ± 0.043
2019-11-06 2458794.3 80.4 19.116 ± 0.037 20.166 ± 0.043 18.528 ± 0.048
2019-11-10 2458798.0 84.1 20.875 ± 0.298 19.631 ± 0.163 20.259 ± 0.114 18.718 ± 0.094 18.822 ± 0.120
2019-11-11 2458798.6 84.7 21.432 ± 0.484 19.587 ± 0.113 20.769 ± 0.149 18.857 ± 0.060 18.965 ± 0.087
2019-11-13 2458800.6 86.6 21.077 ± 0.317 20.007 ± 0.117 20.912 ± 0.130 19.210 ± 0.043 19.173 ± 0.050
2019-11-14 2458802.4 88.5 21.690 ± 0.248 20.285 ± 0.126 21.052 ± 0.143 19.265 ± 0.037 19.326 ± 0.048
2019-11-15 2458803.4 89.5 21.757 ± 0.428 20.072 ± 0.096 21.002 ± 0.115 19.320 ± 0.054 19.385 ± 0.060
2019-11-18 2458805.6 91.7 21.807 ± 0.174 20.418 ± 0.083 21.329 ± 0.073 19.405 ± 0.026 19.554 ± 0.057
2019-11-21 2458809.4 95.5 20.384 ± 0.068 21.421 ± 0.066 19.423 ± 0.033 19.498 ± 0.067
2019-11-23 2458810.6 96.7 20.362 ± 0.080 21.435 ± 0.083 19.509 ± 0.031 19.578 ± 0.063
2019-11-24 2458812.4 98.5 20.400 ± 0.074 21.347 ± 0.076 19.428 ± 0.030 19.614 ± 0.064
2019-11-26 2458814.3 100.4 20.379 ± 0.067 21.369 ± 0.070 19.498 ± 0.030 19.643 ± 0.063
2019-11-28 2458816.0 102.1 20.490 ± 0.117 21.346 ± 0.149 19.655 ± 0.199 19.763 ± 0.226
2019-12-01 2458818.6 104.7 20.660 ± 0.196 21.374 ± 0.366 19.487 ± 0.177 19.753 ± 0.298
2019-12-03 2458820.7 106.8 20.503 ± 0.063 21.371 ± 0.081 19.577 ± 0.027 19.665 ± 0.042
2019-12-14 2458832.3 118.4 20.662 ± 0.108 19.903 ± 0.093
2019-12-25 2458843.3 129.4 20.792 ± 0.071 19.742 ± 0.027 19.901 ± 0.061
2020-01-06 2458854.6 140.7 20.882 ± 0.143 19.721 ± 0.033 19.951 ± 0.035

Notes. The UBV-band photometry are given in Vega magnitudes and gri-band data are presented in AB magnitudes.

(a)

Since the explosion epoch t0 = JD 2458713.9

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