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Table 3.

NIR pulsation properties of variable stars in NGC 6441.

ID RA Dec P Type Mean magnitudes (mλ)
 σmλ
 Amplitudes (Ampλ)
 σAmpλ
 EJKs σEJKs OTH ID
J H Ks J H Ks J H Ks J H Ks
(deg.) (deg.) (days) (mag) (mag) (mag) (mag) (mag) (mag)
V6 267.56513 −37.03783 22.49778 T2C 12.253 11.760 11.473 0.054 0.051 0.055 0.923 0.845 0.833 0.060 0.041 0.049 0.186 0.025 T2C-0083
V37 267.56617 −37.01869 0.61338 RRab 15.746 15.400 15.263 0.028 0.027 0.027 0.514 0.390 0.362 0.122 0.091 0.133 0.205 0.019 RRL-03991
V38 267.55671 −37.00767 0.73460 RRab 15.651 15.265 15.094 0.025 0.023 0.023 0.357 0.320 0.311 0.105 0.078 0.091 0.208 0.020 RRL-03967
V39 267.59533 −37.03433 0.82979 RRab 15.548 15.129 15.002 0.025 0.024 0.024 0.378 0.329 0.289 0.058 0.058 0.056 0.295 0.019 RRL-04057
V41 267.56679 −37.06586 0.74760 RRab 15.698 15.313 15.156 0.025 0.024 0.024 0.387 0.327 0.311 0.061 0.055 0.083 0.255 0.021 RRL-03994
V42 267.55442 −37.02542 0.81264 RRab 15.537 15.145 14.979 0.024 0.024 0.023 0.291 0.282 0.217 0.036 0.067 0.056 0.160 0.017 RRL-03956
V43 267.57025 −37.03600 0.77307 RRab 15.580 15.177 14.989 0.023 0.023 0.022 0.264 0.220 0.219 0.048 0.037 0.055 0.202 0.019 RRL-04003
V44 267.55917 −37.06639 0.60546 RRab 14.381 13.746 13.509 0.020 0.020 0.021 0.117 0.080 0.121 0.023 0.043 0.053 0.242 0.015 –
V45 267.53117 −37.08906 0.50338 RRab 15.415 15.038 15.042 0.027 0.023 0.023 0.334 0.175 0.190 0.072 0.049 0.067 0.296 0.023 RRL-03886
V46 267.50367 −37.07350 0.90449 RRab 15.345 14.925 14.934 0.024 0.026 0.024 0.272 0.264 0.237 0.027 0.028 0.055 0.246 0.016 RRL-03813
V51 267.60546 −37.00281 0.71354 RRab 15.678 15.284 15.161 0.035 0.035 0.031 0.425 0.356 0.296 0.080 0.050 0.035 0.256 0.014 RRL-04080
V52 267.54233 −37.02711 0.85909 RRab 15.508 15.108 14.935 0.022 0.022 0.022 0.162 0.155 0.151 0.030 0.029 0.038 0.257 0.021 RRL-03916
V53 267.55179 −37.02972 0.85205 RRab 15.462 15.041 14.838 0.022 0.022 0.021 0.154 0.148 0.130 0.027 0.050 0.022 0.184 0.022 RRL-03945
V55 267.55183 −37.04111 0.69749 RRab 15.538 15.138 14.952 0.027 0.025 0.028 0.417 0.316 0.298 0.088 0.068 0.070 0.187 0.024 RRL-03946
V56 267.54625 −37.04442 0.90561 RRab 14.166 13.506 13.218 0.020 0.020 0.020 0.116 0.097 0.099 0.023 0.036 0.029 0.189 0.027 –
V57 267.54338 −37.04886 0.69600 RRab 15.590 15.180 14.981 0.027 0.024 0.024 0.458 0.344 0.339 0.059 0.073 0.056 0.239 0.021 RRL-03918
V59 267.53729 −37.05894 0.70285 RRab 15.694 15.310 15.208 0.027 0.024 0.025 0.423 0.347 0.339 0.139 0.077 0.063 0.228 0.023 RRL-03904
V60 267.55550 −37.06439 0.85350 RRab 15.368 14.679 14.445 0.020 0.020 0.021 0.075 0.056 0.090 0.018 0.013 0.023 0.224 0.023 RRL-03964
V61 267.56125 −37.06739 0.75011 RRab 15.641 15.184 15.032 0.024 0.024 0.023 0.301 0.287 0.257 0.120 0.054 0.063 0.232 0.016 RRL-03980
V62 267.55500 −37.06844 0.67997 RRab 15.706 15.340 15.218 0.030 0.030 0.028 0.460 0.388 0.344 0.116 0.077 0.096 0.257 0.015 RRL-03961
V63 267.54708 −37.04636 0.69781 RRab 15.180 14.680 14.437 0.022 0.022 0.022 0.225 0.222 0.226 0.059 0.050 0.068 0.239 0.025 RRL-03933
V64 267.54000 −37.05208 0.71710 RRab 15.485 15.118 14.866 0.026 0.026 0.023 0.353 0.347 0.253 0.078 0.111 0.085 0.146 0.024 RRL-03912
V65 267.55467 −37.04144 0.75850 RRab 15.375 14.960 14.719 0.022 0.022 0.022 0.203 0.184 0.206 0.063 0.035 0.036 0.216 0.022 RRL-03957
V66 267.54771 −37.03528 0.86090 RRab 15.492 15.080 14.877 0.022 0.022 0.022 0.200 0.187 0.165 0.032 0.055 0.038 0.219 0.023 RRL-03934
V68 267.50550 −37.10706 0.32373 RRc 14.039 13.642 13.760 0.024 0.021 0.022 0.149 0.117 0.112 0.054 0.046 0.030 0.252 0.014 RRL-03816
V69 267.62046 −37.05764 0.56119 RRc 15.523 15.156 15.088 0.023 0.023 0.021 0.158 0.143 0.132 0.034 0.034 0.023 0.304 0.014 RRL-04118
V71 267.56817 −37.02875 0.36155 RRc 15.954 15.676 15.507 0.022 0.021 0.021 0.145 0.107 0.094 0.062 0.040 0.045 0.217 0.020 RRL-03996
V72 267.56187 −36.99208 0.31167 RRc 16.034 15.805 15.718 0.026 0.023 0.022 0.193 0.147 0.122 0.075 0.044 0.068 0.251 0.024 RRL-03982
V74 267.57754 −37.04892 0.31761 RRc 15.941 15.588 15.413 0.022 0.022 0.021 0.151 0.133 0.109 0.075 0.039 0.087 0.295 0.025 RRL-04015
V75 267.55196 −37.06125 0.40500 RRc 15.880 15.590 15.457 0.021 0.020 0.021 0.113 0.089 0.089 0.035 0.036 0.046 0.245 0.020 –
V76 267.59421 −37.06272 0.47297 RRc 15.790 15.381 15.262 0.021 0.021 0.021 0.128 0.128 0.116 0.039 0.037 0.040 0.290 0.027 RRL-04055
V77 267.62471 −37.07539 0.37410 RRc 15.830 15.513 15.476 0.027 0.023 0.026 0.178 0.150 0.148 0.036 0.039 0.064 0.246 0.021 RRL-04137
V79 267.55825 −37.06131 0.41721 RRc 15.774 15.420 15.257 0.022 0.023 0.023 0.161 0.144 0.136 0.040 0.063 0.071 0.237 0.024 RRL-03971
V93 267.52621 −37.04581 0.33825 RRc 15.994 15.717 15.569 0.023 0.021 0.021 0.206 0.121 0.092 0.065 0.048 0.032 0.179 0.018 RRL-03870
V94 267.54929 −37.04111 0.38505 RRc 15.431 15.001 14.724 0.021 0.021 0.021 0.137 0.121 0.101 0.072 0.041 0.042 0.186 0.030 RRL-03940
V96 267.50612 −37.08861 0.85448 RRab 15.562 15.148 14.999 0.022 0.023 0.024 0.161 0.124 0.132 0.029 0.031 0.037 0.255 0.017 RRL-30154
V97 267.52821 −37.05658 0.84400 RRab 15.471 15.042 14.922 0.021 0.021 0.022 0.132 0.132 0.151 0.028 0.028 0.043 0.218 0.028 –
V106 267.54404 −37.05722 0.36109 RRc 15.440 15.050 14.843 0.021 0.022 0.022 0.184 0.141 0.136 0.050 0.051 0.065 0.202 0.023 RRL-03921
V126 267.55233 −37.05325 20.61828 T2C 12.029 11.337 11.090 0.035 0.039 0.034 0.681 0.623 0.616 0.056 0.267 0.074 0.265 0.022 T2C-1249
V127 267.55021 −37.05336 19.80759 T2C 12.155 11.398 11.377 0.044 0.041 0.045 0.650 0.634 0.641 0.053 0.178 0.089 0.265 0.022 T2C-0752
V128 267.54904 −37.04969 13.53716 T2C 12.561 11.901 11.760 0.022 0.023 0.022 0.216 0.198 0.188 0.020 0.098 0.045 0.223 0.033 T2C-1248
V129 267.55354 −37.05500 17.78405 T2C 12.415 – 11.671 0.045 – 0.047 0.650 – 0.633 0.047 0.186 0.047 0.291 0.024 T2C-1250
V140 267.54487 −37.05150 0.61418 RRc 15.355 15.021 14.801 0.021 0.021 0.021 0.152 0.123 0.120 0.033 0.031 0.041 0.164 0.020 RRL-03923
V143 267.55717 −37.04656 0.86271 RRab 15.193 14.877 14.574 0.022 0.028 0.024 0.239 0.256 0.262 0.065 0.174 0.066 0.244 0.031 RRL-03969
V150 267.52946 −37.05447 1.06862 RRab 15.262 14.833 14.675 0.022 0.022 0.022 0.226 0.211 0.224 0.029 0.019 0.037 0.202 0.027 C8
V153 267.55321 −37.05461 9.89000 T2C 12.995 – 12.174 0.021 – 0.021 0.144 – 0.127 0.016 0.123 0.028 0.291 0.024 –
V154 267.55558 −37.05031 10.83000 T2C 12.629 – 11.761 0.022 – 0.023 0.146 – 0.137 0.019 0.221 0.056 0.312 0.037 –
RRL-03920 267.54379 −37.06681 0.64801 RRab 15.724 15.338 15.174 0.026 0.025 0.024 0.427 0.352 0.305 0.068 0.072 0.058 0.279 0.023 –
RRL-03973 267.55971 −37.06681 0.60880 RRab 14.379 13.734 13.528 0.020 0.020 0.021 0.133 0.107 0.106 0.025 0.045 0.035 0.242 0.015 –
T2C-0086 267.58033 −37.11417 14.96944 T2C 12.553 11.990 12.008 0.024 0.029 0.024 0.176 0.171 0.160 0.026 0.040 0.031 0.201 0.027 –
EC-126428 267.51837 −37.02575 0.53691 EC 15.894 15.223 15.128 0.024 0.025 0.023 0.280 0.250 0.217 0.087 0.113 0.061 0.187 0.024 –
EC-128052 267.56804 −37.10756 3.40209 EC 15.379 14.848 14.836 0.023 0.024 0.024 0.163 0.207 0.196 0.047 0.041 0.052 0.254 0.018 –
EC-128644 267.58575 −37.03836 0.38646 EC 16.471 16.025 15.893 0.022 0.023 0.024 0.167 0.150 0.148 0.040 0.033 0.056 0.240 0.026 –
EC-128863 267.59271 −37.03311 0.26902 EC 17.224 16.812 16.657 0.028 0.030 0.030 0.371 0.364 0.358 0.074 0.062 0.098 0.269 0.021 –
EC-129760 267.62088 −37.06300 0.46336 EC 16.773 16.405 16.357 0.023 0.023 0.024 0.163 0.168 0.157 0.042 0.051 0.048 0.270 0.022 –
C9 267.52458 −37.05575 2.93268 EC? 15.329 14.787 14.547 0.023 0.023 0.023 0.213 0.220 0.168 0.024 0.030 0.035 0.210 0.026 –
C16 267.54762 −37.01297 0.24261 EC? 16.613 16.285 16.105 0.024 0.024 0.025 0.234 0.229 0.214 0.068 0.079 0.100 0.236 0.012 –
C20 267.52629 −37.01319 6.16530 EC? 15.038 14.357 14.195 0.023 0.022 0.023 0.147 0.133 0.140 0.023 0.022 0.025 0.236 0.022 –
C27 267.49183 −37.01831 2.33791 EC? 15.390 14.724 14.532 0.027 0.026 0.024 0.259 0.254 0.214 0.037 0.041 0.034 0.229 0.021 –
C31 267.51050 −37.10583 43.52855 EC? 13.747 13.025 12.981 0.021 0.022 0.022 0.110 0.096 0.095 0.022 0.022 0.034 0.250 0.013 –

Notes. Star ID, coordinates (epoch J2000), period, variable type, and the pulsation mode are adopted from the literature (Clement et al. 2001; Soszyński et al. 2014; Alonso-García et al. 2021). Type – RRab: fundamental-mode RRL, RRc: overtone-mode RRL, T2C: Type II Cepheids, EC: Eclipsing binary, EC? - Eclipsing binary candidates. The columns 6-17 represent intensity-averaged mean magnitudes and their errors and peak-to-peak amplitudes and their uncertainties in the JHKs bands. The columns 18 and 19 display reddening values and their errors taken from the reddening maps of Surot et al. (2020). The last column shows alternate ID of the variable which was taken from the OGLE catalog of variable stars or the aforementioned references.

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