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Table A.1.
Optical photometry of SN 2018cnf: Johnson-Bessell B, V (Vega mag), Sloan u, g, r, i, z and PanSTARRS y (AB mag).
| Date | MJD | B | V | u | g | r | i | z | y | Instrument |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-08-31 | 55 074.49 | – | – | – | – | – | > 21.14 | – | – | PS1 |
| 2009-09-12 | 55 086.52 | – | – | – | – | > 20.26 | – | – | – | PS1 |
| 2009-09-18 | 55 092.50 | – | – | – | – | > 21.11 | – | – | – | PS1 |
| 2009-09-28 | 55 102.45 | – | – | – | – | > 21.49 | – | – | – | PS1 |
| 2009-09-29 | 55 103.38 | – | – | – | – | > 21.91 | – | – | – | PS1 |
| 2010-06-27 | 55 374.61 | – | – | – | – | – | – | – | > 20.08 | PS1 |
| 2010-07-20 | 55 397.61 | – | – | – | – | – | – | > 20.69 | – | PS1 |
| 2010-08-31 | 55 439.51 | – | – | – | – | > 21.65 | – | – | – | PS1 |
| 2010-09-28 | 55 467.39 | – | – | – | – | > 21.73 | – | – | – | PS1 |
| 2010-10-07 | 55 476.33 | – | – | – | > 21.98 | – | – | – | – | PS1 |
| 2010-12-06 | 55 536.22 | – | – | – | – | – | – | > 19.99 | – | PS1 |
| 2010-12-31 | 55 561.26 | – | – | – | – | – | – | – | > 19.78 | PS1 |
| 2011-07-01 | 55 743.62 | – | – | – | – | – | – | 20.620 (0.344) | – | PS1 |
| 2011-07-12 | 55 754.60 | – | – | – | – | – | – | – | > 19.85 | PS1 |
| 2011-08-23 | 55 796.52 | – | – | – | > 21.88 | > 21.60 | – | – | – | PS1 |
| 2011-08-28 | 55 801.52 | – | – | – | > 21.59 | > 21.38 | – | – | – | PS1 |
| 2011-09-03 | 55 808.55 | – | – | – | – | – | 21.715 (0.208) | – | – | PS1 |
| 2011-11-13 | 55 878.34 | – | – | – | – | – | – | – | > 19.95 | PS1 |
| 2012-10-05 | 56 205.44 | – | – | – | – | 20.848 (0.099) | 20.575 (0.074) | – | – | PS1 |
| 2012-10-22 | 56 222.32 | – | – | – | – | 20.929 (0.246) | 20.702 (0.211) | – | – | PS1 |
| 2012-11-10 | 56 241.21 | – | – | – | – | – | – | 19.967 (0.598) | – | PS1 |
| 2012-11-25 | 56 256.29 | – | – | – | – | – | – | – | > 19.59 | PS1 |
| 2013-06-24 | 56 467.58 | – | – | – | – | – | – | 20.735 (0.155) | – | PS1 |
| 2013-07-17 | 56 490.61 | – | – | – | – | – | – | 20.726 (0.420) | – | PS1 |
| 2013-10-10 | 56 575.38 | – | – | – | 22.016 (0.235) | – | – | – | – | PS1 |
| 2013-10-20 | 56 585.24 | – | – | – | – | – | 21.478 (0.233) | – | – | PS1 |
| 2013-10-21 | 56 586.35 | – | – | – | – | – | 21.490 (0.496) | – | – | PS1 |
| 2014-06-05 | 56 813.50 | – | – | – | – | – | – | – | > 18.10 | PS1 |
| 2014-06-07 | 56 815.61 | – | – | – | – | – | – | – | 20.593 (0.362) | PS1 |
| 2014-09-12 | 56 912.50 | – | – | – | – | – | 20.443 (0.067) | – | – | PS1 |
| 2014-12-07 | 56 998.50 | – | – | – | – | – | – | – | > 19.70 | PS1 |
| 2014-12-08 | 56 999.50 | – | – | – | – | – | – | – | > 19.81 | PS1 |
| 2014-12-18 | 57 009.24 | – | – | – | – | 21.745 (0.095) | – | – | – | PS1 ( ‡ ) |
| 2015-07-23 | 57 226.53 | – | – | – | – | 22.048 (0.139) | – | – | – | PS1 ( ‡ ) |
| 2015-07-30 | 57 233.50 | – | – | – | – | – | 20.952 (0.148) | – | – | PS1 |
| 2015-08-09 | 57 243.62 | – | – | – | – | – | – | > 20.39 | – | PS1 |
| 2015-08-10 | 57 244.60 | – | – | – | – | – | – | > 19.92 | – | PS1 |
| 2015-09-09 | 57 274.44 | – | – | – | – | 21.984 (0.084) | – | – | – | PS1 ( ‡ ) |
| 2015-09-12 | 57 277.42 | – | – | – | – | 21.861 (0.067) | – | – | – | PS1 ( ‡ ) |
| 2015-10-20 | 57 315.32 | – | – | – | – | – | > 20.01 | – | – | PS1 |
| 2015-10-21 | 57 316.33 | – | – | – | – | – | 20.980 (0.162) | – | – | PS1 |
| 2015-10-28 | 57 323.29 | – | – | – | – | – | 20.967 (0.131) | – | – | PS1 |
| 2015-11-02 | 57 328.30 | – | – | – | – | 21.828 (0.094) | – | – | – | PS1 ( ‡ ) |
| 2015-11-28 | 57 354.24 | – | – | – | – | – | 20.228 (0.117) | – | – | PS1 |
| 2015-12-09 | 57 365.24 | – | – | – | – | 20.644 (0.022) | – | – | – | PS1 ( ‡ ) |
| 2015-12-10 | 57 366.23 | – | – | – | – | 20.639 (0.080) | – | – | – | PS1 ( ‡ ) |
| 2016-07-29 | 57 598.57 | – | – | – | – | > 20.40 | – | – | – | PS1 ( ‡ ) |
| 2016-07-29 | 57 598.63 | – | – | – | – | – | – | > 19.03 | – | PS1 |
| 2016-08-03 | 57 603.63 | – | – | – | – | – | – | – | > 19.98 | PS1 |
| 2016-08-05 | 57 605.62 | – | – | – | – | – | – | > 19.90 | > 19.67 | PS1 |
| 2016-10-17 | 57 678.37 | – | – | – | – | – | 21.375 (0.341) | – | – | PS1 |
| 2016-11-13 | 57 705.35 | – | – | – | – | – | 21.564 (0.144) | – | – | PS1 |
| 2017-01-08 | 57 761.22 | – | – | – | – | – | > 20.38 | > 20.30 | – | PS1 |
| 2017-01-09 | 57 762.21 | – | – | – | – | – | – | 20.577 (0.487) | – | PS1 |
| 2017-01-10 | 57 763.21 | – | – | – | – | – | – | 20.455 (0.248) | – | PS1 |
| 2017-01-10 | 57 763.22 | – | – | – | – | – | > 21.02 | – | – | PS1 |
| 2017-01-11 | 57 764.21 | – | – | – | – | – | – | > 20.40 | – | PS1 |
| 2017-01-11 | 57 764.22 | – | – | – | – | – | 21.121 (0.267) | – | – | PS1 |
| 2017-01-12 | 57 765.22 | – | – | – | – | – | > 20.65 | > 20.42 | – | PS1 |
| 2017-01-14 | 57 767.22 | – | – | – | – | – | > 20.94 | – | – | PS1 |
| 2017-01-14 | 57 767.22 | – | – | – | – | – | – | 20.579 (0.272) | – | PS1 |
| 2017-01-15 | 57 768.22 | – | – | – | – | – | – | > 19.40 | – | PS1 |
| 2017-01-23 | 57 776.22 | – | – | – | – | – | – | 20.610 (0.368) | – | PS1 |
| 2017-01-26 | 57 779.23 | – | – | – | > 20.28 | – | – | > 19.27 | – | PS1 |
| 2017-02-04 | 57 788.22 | – | – | – | – | > 19.62 | – | > 19.80 | – | PS1 |
| 2017-02-05 | 57 789.22 | – | – | – | – | – | > 20.27 | > 20.31 | – | PS1 |
| 2017-07-08 | 57 942.60 | – | – | – | – | – | 21.818 (0.249) | – | – | PS1 |
| 2017-08-01 | 57 966.56 | – | – | – | – | 22.363 (0.127) | – | – | – | PS1 ( ‡ ) |
| 2017-08-03 | 57 968.55 | – | – | – | – | 22.359 (0.123) | – | – | – | PS1 ( ‡ ) |
| 2017-08-17 | 57 982.50 | – | – | – | – | 22.259 (0.174) | – | – | – | PS1 ( ‡ ) |
| 2017-09-14 | 58 010.44 | – | – | – | – | 22.061 (0.100) | – | – | – | PS1 ( ‡ ) |
| 2017-09-22 | 58 018.40 | – | – | – | – | 22.034 (0.174) | – | – | – | PS1 |
| 2018-05-28 | 58 266.61 | – | – | – | – | > 19.67 | – | – | – | ATLAS (▫) |
| 2018-06-05 | 58 274.08 | – | – | – | > 17.80 | – | – | – | – | ASAS-SN-5 (★) |
| 2018-06-14 | 58 283.34 | – | – | – | 17.700 | – | – | – | – | ASAS-SN-3 (★) |
| 2018-06-14 | 58 283.78 | – | – | – | – | 17.616 (0.314) | – | – | – | SBIG |
| 2018-06-15 | 58 284.81 | 17.878 (0.093) | 17.578 (0.068) | – | 17.710 (0.061) | 17.326 (0.097) | 17.631 (0.140) | – | – | fl11 |
| 2018-06-17 | 58 286.18 | – | – | – | – | 17.227 (0.030) | – | – | – | GTC |
| 2018-06-17 | 58 286.19 | 17.773 (0.077) | 17.493 (0.099) | – | 17.561 (0.098) | 17.256 (0.066) | 17.489 (0.084) | – | – | fl16 |
| 2018-06-17 | 58 286.20 | 17.762 (0.019) | 17.486 (0.017) | 18.505 (0.061) | 17.546 (0.019) | 17.262 (0.024) | 17.476 (0.025) | 17.402 (0.037) | – | LT |
| 2018-06-18 | 58 287.20 | 17.739 (0.024) | 17.396 (0.016) | 18.467 (0.042) | 17.477 (0.014) | 17.244 (0.025) | 17.427 (0.024) | 17.366 (0.028) | – | LT |
| 2018-06-19 | 58 288.15 | 17.688 (0.029) | 17.353 (0.020) | 18.411 (0.069) | 17.439 (0.014) | 17.218 (0.023) | 17.383 (0.024) | 17.324 (0.055) | – | LT |
| 2018-06-19 | 58 288.21 | – | – | – | – | 17.204 (0.029) | – | – | – | GTC |
| 2018-06-20 | 58 289.20 | – | – | – | – | 17.166 (0.022) | – | – | – | GTC |
| 2018-06-20 | 58 289.20 | 17.621 (0.019) | 17.287 (0.026) | 18.287 (0.041) | 17.335 (0.015) | 17.144 (0.033) | 17.343 (0.028) | 17.310 (0.051) | – | LT |
| 2018-06-20 | 58 289.43 | 17.573 (0.045) | 17.250 (0.042) | – | 17.333 (0.055) | 17.138 (0.075) | 17.340 (0.069) | – | – | fl03 |
| 2018-06-20 | 58 289.43 | 17.577 (0.039) | 17.247 (0.052) | 18.294 (0.040) | 17.327 (0.040) | 17.110 (0.058) | 17.338 (0.046) | – | – | fl15 (◇) |
| 2018-06-21 | 58 290.32 | 17.564 (0.042) | 17.233 (0.050) | 18.293 (0.061) | 17.298 (0.036) | 17.097 (0.035) | 17.300 (0.047) | – | – | fl15 (◇) |
| 2018-06-22 | 58 291.43 | 17.565 (0.040) | 17.206 (0.030) | 18.328 (0.052) | 17.366 (0.064) | 17.143 (0.050) | 17.249 (0.044) | – | – | fl15 (◇) |
| 2018-06-23 | 58 292.09 | 17.585 (0.027) | 17.218 (0.045) | – | – | – | – | – | – | fl06 |
| 2018-06-23 | 58 292.12 | – | – | 18.342 (0.063) | 17.338 (0.040) | 17.108 (0.029) | 17.290 (0.074) | – | – | fl06 (◇) |
| 2018-06-23 | 58 292.14 | 17.585 (0.039) | 17.238 (0.040) | – | – | – | – | – | – | fl06 |
| 2018-06-23 | 58 292.40 | 17.588 (0.055) | 17.236 (0.028) | – | 17.348 (0.045) | 17.149 (0.090) | 17.296 (0.113) | – | – | fl15 |
| 2018-06-24 | 58 293.19 | – | – | – | – | 17.190 (0.053) | – | – | – | GTC |
| 2018-06-24 | 58 293.21 | 17.625 (0.022) | 17.236 (0.026) | 18.347 (0.053) | 17.375 (0.017) | 17.180 (0.014) | 17.309 (0.025) | 17.318 (0.036) | – | LT |
| 2018-06-24 | 58 293.79 | 17.604 (0.041) | 17.242 (0.052) | 18.331 (0.047) | 17.379 (0.032) | 17.155 (0.052) | 17.264 (0.054) | – | – | fl11 (◇) |
| 2018-06-25 | 58 294.17 | 17.580 (0.046) | 17.286 (0.053) | 18.331 (0.095) | 17.383 (0.029) | 17.153 (0.047) | 17.259 (0.103) | – | – | fl06 (◇) |
| 2018-06-26 | 58 295.73 | 17.579 (0.149) | 17.267 (0.112) | – | 17.385 (0.115) | 17.167 (0.098) | 17.263 (0.107) | – | – | fl12 |
| 2018-06-26 | 58 295.79 | 17.583 (0.037) | – | 18.350 (0.044) | – | – | 17.263 (0.049) | – | – | fl11 (◇) |
| 2018-06-27 | 58 296.05 | 17.629 (0.039) | 17.251 (0.082) | 18.348 (0.067) | 17.355 (0.046) | 17.137 (0.031) | 17.277 (0.045) | – | – | fl06 (◇) |
| 2018-06-27 | 58 296.17 | 17.604 (0.034) | 17.251 (0.023) | 18.379 (0.075) | 17.331 (0.020) | 17.118 (0.021) | 17.256 (0.020) | 17.214 (0.059) | – | LT |
| 2018-06-27 | 58 296.32 | 17.613 (0.041) | 17.244 (0.042) | 18.337 (0.060) | 17.366 (0.067) | 17.096 (0.025) | 17.298 (0.049) | – | – | fl15 (◇) |
| 2018-06-27 | 58 296.62 | – | – | – | – | 17.119 (0.250) | – | – | – | ATLAS (▫) |
| 2018-06-28 | 58 297.69 | 17.670 (0.032) | 17.214 (0.025) | 18.376 (0.063) | 17.398 (0.022) | 17.041 (0.043) | 17.288 (0.046) | – | – | fl11 (◇) |
| 2018-06-29 | 58 298.14 | 17.699 (0.040) | 17.268 (0.019) | 18.367 (0.093) | 17.409 (0.302) | 17.061 (0.025) | 17.248 (0.073) | 17.240 (0.042) | – | LT |
| 2018-06-29 | 58 298.56 | – | – | – | – | 17.104 (0.157) | – | – | – | ATLAS (▫) |
| 2018-06-30 | 58 299.40 | 17.684 (0.062) | 17.282 (0.078) | 18.419 (0.134) | 17.411 (0.062) | 17.073 (0.077) | 17.246 (0.063) | – | – | fl03 (◇) |
| 2018-07-02 | 58 301.17 | 17.699 (0.037) | 17.296 (0.035) | 18.400 (0.072) | 17.369 (0.023) | 17.135 (0.021) | 17.325 (0.033) | 17.233 (0.058) | – | LT |
| 2018-07-02 | 58 301.36 | 17.711 (0.054) | 17.306 (0.052) | 18.423 (0.099) | 17.361 (0.070) | 17.112 (0.038) | 17.311 (0.071) | – | – | fl15 (◇) |
| 2018-07-06 | 58 305.18 | 17.896 (0.038) | 17.472 (0.033) | 18.593 (0.105) | 17.649 (0.024) | 17.339 (0.023) | 17.471 (0.057) | 17.462 (0.071) | – | LT |
| 2018-07-07 | 58 306.17 | 18.003 (0.031) | 17.524 (0.044) | 18.644 (0.061) | 17.730 (0.039) | 17.385 (0.049) | 17.557 (0.055) | – | – | fl16 (◇) |
| 2018-07-07 | 58 306.21 | 18.017 (0.035) | 17.518 (0.024) | 18.650 (0.058) | 17.739 (0.017) | 17.386 (0.020) | 17.564 (0.017) | 17.502 (0.041) | – | LT |
| 2018-07-08 | 58 307.11 | 18.117 (0.027) | 17.582 (0.026) | 18.867 (0.066) | 17.805 (0.016) | 17.490 (0.019) | 17.667 (0.034) | 17.591 (0.037) | – | LT |
| 2018-07-08 | 58 307.16 | – | – | – | – | 17.497 (0.017) | – | – | – | GTC |
| 2018-07-10 | 58 309.17 | 18.214 (0.039) | 17.797 (0.030) | 19.092 (0.085) | 17.987 (0.018) | 17.604 (0.028) | 17.865 (0.030) | 17.727 (0.036) | – | LT |
| 2018-07-11 | 58 310.34 | 18.279 (0.048) | 17.818 (0.057) | 19.232 (0.095) | 18.055 (0.059) | 17.657 (0.041) | 17.972 (0.098) | – | – | fl15 |
| 2018-07-12 | 58 311.10 | 18.363 (0.127) | > 17.14 | > 18.81 | 18.184 (0.039) | 17.786 (0.033) | 18.012 (0.081) | 17.970 (0.190) | – | LT |
| 2018-07-15 | 58 314.19 | 18.551 (0.033) | 18.096 (0.028) | 19.565 (0.097) | 18.344 (0.035) | 17.901 (0.033) | 18.028 (0.043) | 18.044 (0.035) | – | LT |
| 2018-07-15 | 58 314.34 | 18.557 (0.081) | 18.099 (0.076) | 19.575 (0.105) | 18.348 (0.081) | 17.905 (0.060) | 18.049 (0.056) | – | – | fl15 |
| 2018-07-17 | 58 316.11 | 18.583 (0.056) | 18.096 (0.047) | 19.721 (0.114) | 18.318 (0.066) | 17.907 (0.064) | – | 18.046 (0.104) | – | LT |
| 2018-07-19 | 58 318.13 | 18.614 (0.062) | 18.110 (0.049) | 19.805 (0.148) | 18.330 (0.049) | 17.938 (0.035) | 18.173 (0.043) | 18.092 (0.055) | – | LT |
| 2018-07-19 | 58 318.35 | > 18.54 | > 17.95 | > 19.60 | > 18.14 | > 17.65 | > 17.84 | – | – | fl03 |
| 2018-07-22 | 58 321.18 | – | – | – | – | 17.969 (0.054) | – | – | – | GTC |
| 2018-07-23 | 58 322.17 | 18.807 (0.084) | 18.158 (0.073) | 20.057 (0.139) | 18.456 (0.062) | 18.038 (0.111) | 18.258 (0.105) | – | – | fl06 |
| 2018-07-24 | 58 323.05 | 18.866 (0.105) | 18.233 (0.054) | > 19.95 | 18.527 (0.069) | 18.059 (0.044) | 18.264 (0.078) | 18.198 (0.095) | – | LT |
| 2018-07-25 | 58 324.05 | 18.999 (0.096) | 18.383 (0.082) | 20.202 (0.224) | 18.667 (0.109) | 18.202 (0.087) | 18.368 (0.134) | – | – | fl16 |
| 2018-07-26 | 58 325.75 | 19.109 (0.084) | 18.532 (0.121) | 20.260 (0.186) | 18.807 (0.110) | 18.345 (0.128) | 18.397 (0.083) | – | – | fl12 |
| 2018-07-29 | 58 328.03 | > 18.36 | > 18.37 | > 19.85 | 18.996 (0.265) | 18.437 (0.184) | 18.534 (0.429) | 18.335 (0.424) | – | LT |
| 2018-07-29 | 58 328.31 | 19.228 (0.148) | 18.788 (0.165) | 20.302 (0.273) | 19.005 (0.068) | 18.454 (0.095) | 18.536 (0.274) | – | – | fl15 |
| 2018-08-04 | 58 334.15 | – | – | – | – | 18.804 (0.010) | – | – | – | GTC |
| 2018-08-07 | 58 337.03 | 19.476 (0.164) | 19.205 (0.134) | – | 19.246 (0.102) | 18.808 (0.103) | 19.007 (0.268) | 18.776 (0.228) | – | Copernico |
| 2018-08-08 | 58 338.52 | – | – | – | – | 18.816 (0.030) | – | – | – | PS1 ( ‡ ) |
| 2018-08-10 | 58 340.05 | – | – | – | – | 18.883 (0.029) | – | – | – | GTC |
| 2018-08-11 | 58 341.02 | 19.630 (0.138) | 19.339 (0.180) | – | 19.359 (0.165) | 18.909 (0.195) | 19.104 (0.105) | 18.989 (0.390) | – | Copernico |
| 2018-08-11 | 58 341.23 | 19.653 (0.043) | 19.346 (0.105) | 20.331 (0.072) | 19.394 (0.086) | 18.919 (0.111) | 19.120 (0.123) | 19.001 (0.117) | – | NTT |
| 2018-08-13 | 58 343.39 | 19.683 (0.084) | 19.368 (0.102) | – | 19.405 (0.023) | 18.930 (0.022) | 19.248 (0.049) | – | – | fl03 |
| 2018-08-17 | 58 347.47 | – | – | – | – | 18.986 (0.027) | – | – | – | PS1 ( ‡ ) |
| 2018-08-18 | 58 348.22 | – | – | – | – | 19.025 (0.026) | – | – | – | GTC |
| 2018-08-19 | 58 349.29 | 19.786 (0.052) | 19.457 (0.062) | 20.547 (0.043) | 19.480 (0.013) | 19.051 (0.038) | 19.407 (0.036) | 19.210 (0.045) | – | NTT |
| 2018-08-19 | 58 349.38 | 19.794 (0.089) | 19.451 (0.103) | – | 19.506 (0.030) | 19.031 (0.028) | 19.381 (0.059) | – | – | fl03 |
| 2018-08-19 | 58 349.99 | – | – | – | – | 19.037 (0.036) | – | – | – | GTC |
| 2018-08-22 | 58 352.97 | 19.868 (0.109) | 19.535 (0.104) | – | 19.545 (0.071) | 19.033 (0.050) | 19.433 (0.121) | – | – | fl16 |
| 2018-08-25 | 58 355.18 | – | – | – | – | 19.036 (0.054) | – | – | – | GTC |
| 2018-08-30 | 58 360.99 | 19.958 (0.154) | 19.609 (0.182) | – | 19.789 (0.109) | 19.085 (0.073) | 19.510 (0.102) | – | – | fl06 |
| 2018-09-02 | 58 363.20 | 20.015 (0.036) | 19.626 (0.066) | 20.782 (0.092) | 19.774 (0.051) | 19.095 (0.092) | 19.546 (0.082) | 19.304 (0.162) | – | NTT |
| 2018-09-09 | 58 370.15 | 20.181 (0.090) | 19.756 (0.158) | – | 19.972 (0.030) | 19.296 (0.034) | 19.699 (0.081) | – | – | fl15 |
| 2018-09-09 | 58 370.23 | 20.190 (0.061) | 19.759 (0.072) | 20.931 (0.142) | 19.993 (0.062) | 19.301 (0.026) | 19.693 (0.025) | 19.435 (0.058) | – | NTT |
| 2018-09-17 | 58 378.19 | 20.350 (0.110) | 19.855 (0.154) | 21.137 (0.098) | 20.072 (0.192) | 19.350 (0.042) | 19.779 (0.025) | 19.643 (0.097) | – | NTT |
| 2018-09-17 | 58 378.61 | 20.360 (0.142) | 19.890 (0.167) | – | 20.089 (0.025) | 19.399 (0.028) | 19.804 (0.050) | – | – | fl11 |
| 2018-09-29 | 58 390.83 | > 20.50 | > 19.82 | – | 20.286 (0.192) | 19.645 (0.069) | 19.977 (0.159) | – | – | fl16 |
| 2018-10-08 | 58 399.48 | 20.838 (0.241) | 20.216 (0.172) | – | 20.539 (0.050) | 19.853 (0.069) | 20.168 (0.073) | – | – | fl12 |
| 2018-10-10 | 58 401.18 | – | 20.288 (0.120) | – | – | – | – | – | – | NTT |
| 2018-10-16 | 58 407.04 | 20.026 (0.360) | > 20.00 | – | 20.687 (0.251) | 20.039 (0.141) | 20.309 (0.210) | – | – | fl15 |
| 2018-10-17 | 58 408.08 | – | – | 21.999 (0.179) | 20.704 (0.049) | 20.062 (0.036) | – | – | – | NOT |
| 2018-10-17 | 58 408.96 | – | – | – | – | – | – | 20.115 (0.102) | – | NOT |
| 2018-12-28 | 58 480.74 | > 20.39 | > 20.44 | > 20.92 | > 20.27 | > 19.99 | > 19.94 | > 19.37 | – | Copernico |
Notes. PS1 = 1.8 m Pan-STARRS Telescope + GPC1 camera (Haleakala, Hawaii Islands, USA); ATLAS = 0.5 m ATLAS-1 Telescope + STA-1600 CCD (Haleakala, Hawaii Islands, USA); ASAS-SN-5 = 0.16 m Payne-Gaposchkin Telescope + FLI ProLine PL230 CCD (Las Cumbres Observatory – South African Astronomical Observatory); ASAS-SN-3 = 0.16 m Paczyński Telescope + FLI ProLine PL230 CCD (Las Cumbres Observatory – Cerro Tololo Inter-American Observatory, Chile); GTC = 10.4 m Gran Telescopio Canarias + OSIRIS (La Palma, Canary Islands, Spain); LT = 2.0 m Liverpool Telescope + IO:O (La Palma, Canary Islands, Spain); fl11 = 1.0 m Telescope (Dome 3) + Sinistro CCD (Las Cumbres Observatory – Siding Spring Observatory, Australia); fl16 = 1.0 m Telescope (Dome 5) + Sinistro CCD (Las Cumbres Observatory – South African Astronomical Observatory); fl03 = 1.0 m Telescope (Dome 4) + Sinistro CCD (Las Cumbres Observatory – Cerro Tololo Inter-American Observatory, Chile); fl15 = 1.0 m Telescope (Dome 2) + Sinistro CCD (Las Cumbres Observatory – Cerro Tololo Inter-American Observatory, Chile); fl06 = 1.0 m Telescope (Dome 7) + Sinistro CCD (Las Cumbres Observatory – South African Astronomical Observatory); fl12 = 1.0 m Telescope (Dome 8) + Sinistro CCD (Las Cumbres Observatory – Siding Spring Observatory, Australia); Copernico = 1.82 m Copernico Telescope + AFOSC (Mt. Ekar, Asiago Observatory, Italy); NTT = 3.58 m New Technology Telescope + EFOSC2 (ESO-La Silla, Chile); NOT = 2.56 m Nordic Optical telescope + ALFOSC (La Palma, Canary Islands, Spain). ( ‡ )PanSTARRS w band converted to Sloan r, from TNS; (▫)ATLAS orange band, converted to Sloan r, from TNS; (★)ASAS-SN Sloan g, from TNS; (◇)Johnson-Bessell U bands, converted to Sloan u. Las Cumbres Observatory data were taken as part of the Global Supernova Project.
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