Table I from McNamara et al. (1971) B & V Photometric Observations of ZZ Boo HJD Phase Bdmag Vdmag n (2400000+) 38569.7755 0.7725 -0.151 3 38569.8006 0.7776 -0.159 3 38569.8235 0.7822 -0.162 -0.311 1 38570.7807 0.9739 -0.052 -0.187 2 38570.8574 0.9893 0.232 0.173 1 38570.8741 0.9926 0.378 0.243 3 38572.8008 0.3786 -0.146 -0.303 3 38572.8626 0.3910 -0.320 3 38577.8138 0.3829 -0.318 2 38577.8433 0.3888 -0.310 4 38579.7792 0.7766 -0.152 -0.304 2 38580.7479 0.9706 0.068 3 38581.7703 0.1754 -0.161 -0.308 4 38582.7607 0.3739 -0.140 -0.302 3 38587.7276 0.3689 -0.152 -0.304 2 38592.7074 0.3665 -0.156 -0.308 3 38595.7016 0.9663 -0.136 -0.277 2 38595.7680 0.9796 -0.002 1 38598.7191 0.5708 -0.146 -0.312 1 38605.6926 0.9684 -0.123 -0.264 2 38648.6341 0.5703 -0.161 -0.304 1 38649.6396 0.7718 -0.300 3 38929.6748 0.8714 -0.154 -0.302 2 38929.6893 0.8743 -0.152 -0.300 3 38929.7072 0.8779 -0.153 -0.300 3 38929.7579 0.8881 -0.165 -0.309 3 38929.8138 0.8993 -0.146 -0.300 2 38930.6706 0.0709 -0.172 -0.314 3 38931.6703 0.2712 -0.175 -0.320 3 38932.6910 0.4757 -0.028 -0.168 2 38932.7063 0.4787 0.003 -0.107 3 38932.7905 0.4956 0.288 3 38932.8206 0.5016 0.458 0.310 3 38932.8391 0.5053 0.372 0.227 3 38933.6781 0.6734 -0.159 -0.312 3 38934.6766 0.8734 -0.149 -0.306 2 38943.6977 0.6807 -0.160 -0.303 3 38943.8100 0.7032 -0.166 -0.303 4 38945.7118 0.0841 -0.160 -0.303 2 38946.6732 0.2767 -0.310 3 38947.7384 0.4901 0.302 0.156 2 38948.7378 0.6903 -0.166 -0.308 3 38948.7550 0.6938 -0.162 -0.315 2 38952.6956 0.4832 0.128 -0.018 2 38952.7332 0.4908 0.359 0.179 2 38954.6744 0.8796 -0.159 -0.306 2 38955.6694 0.0790 -0.152 -0.308 2 38962.7108 0.4896 0.244 0.178 4 38962.7768 0.5028 0.446 0.282 1 38967.7285 0.4948 0.421 0.272 3 38967.7536 0.4998 0.474 0.343 2 38992.7010 0.4975 0.327 1 39269.7082 0.9906 0.323 0.166 2 39269.7556 0.0001 0.482 0.330 2 39269.7672 0.0024 0.464 0.316 2 39274.6819 0.9870 0.221 0.065 3 39274.6986 0.9903 0.312 0.151 3 39274.7106 0.9927 0.356 0.246 1 39274.7218 0.9950 0.406 0.279 2 39274.7384 0.9983 0.474 0.335 3 39274.7530 0.0012 0.482 0.332 2 39274.7683 0.0043 0.445 0.284 3 39274.7887 0.0084 0.329 0.177 3 39274.8106 0.0128 0.218 0.060 2 39274.8296 0.0166 0.139 -0.015 3 39274.8493 0.0205 0.052 -0.103 3 39274.8653 0.0237 -0.018 -0.161 3 39274.8812 0.0269 -0.080 -0.223 3 39277.7424 0.6001 -0.153 -0.316 1 39278.7880 0.8096 -0.137 -0.300 3 39279.6912 0.9905 0.325 0.165 2 39279.7069 0.9936 0.399 0.236 3 39279.7279 0.9978 0.476 0.324 3 39279.7402 0.0003 0.474 0.340 2 39279.7517 0.0026 0.479 0.312 3 39279.7668 0.0056 0.412 0.253 3 39279.7833 0.0090 0.318 0.174 3 39279.8022 0.0127 0.216 0.074 3 39279.8218 0.0167 0.126 -0.022 2 39279.8407 0.0205 0.043 -0.101 4 39279.8580 0.0239 -0.163 3 39279.8708 0.0265 -0.053 -0.218 2 39279.8868 0.0297 -0.264 2 39281.7115 0.3952 -0.151 4 39334.7085 0.0122 0.233 0.079 3 39334.7274 0.0159 0.150 -0.004 3 39334.7433 0.0191 0.075 -0.087 2 39334.7622 0.0229 -0.024 -0.153 4 39626.6560 0.4982 0.470 0.316 3 39626.6669 0.5004 0.491 0.343 1 39626.6780 0.5026 0.464 0.308 3 39626.6944 0.5059 0.399 0.238 3 39626.7116 0.5094 0.307 0.147 3 39626.7991 0.5269 -0.062 -0.212 3 39626.8183 0.5307 -0.107 -0.253 3 39626.8403 0.5351 -0.148 -0.294 3 39626.8627 0.5396 -0.155 -0.300 3 39631.6665 0.5020 0.470 0.322 3 39631.6792 0.5045 0.427 0.265 1 39631.7042 0.5095 0.292 0.144 1 39631.7723 0.5232 0.015 -0.130 1 39647.7414 0.7223 -0.321 5 39647.8334 0.7407 -0.159 -0.305 4 39658.7163 0.9209 -0.156 -0.304 4 39658.7388 0.9254 -0.154 -0.292 2 39659.6831 0.1146 -0.149 -0.299 3 39662.6892 0.7168 -0.160 -0.310 2 39665.7262 0.3252 -0.155 -0.306 2 39666.6650 0.5133 0.202 0.048 2 39666.6786 0.5160 0.141 -0.012 3 39666.6930 0.5189 0.079 -0.075 3 39666.7078 0.5218 0.024 -0.128 3 39666.7279 0.5259 -0.053 -0.198 3 39666.7467 0.5296 -0.103 -0.256 3 39666.7632 0.5329 -0.137 -0.287 3 39666.7793 0.5362 -0.149 -0.287 3 39666.7962 0.5396 -0.147 -0.302 3 39666.8129 0.5429 -0.164 -0.312 3 39666.8312 0.5466 -0.164 -0.306 3 39993.7099 0.0304 -0.096 -0.247 3 39993.7323 0.0349 -0.140 -0.286 4 39993.7668 0.0418 -0.158 -0.308 3 39993.7828 0.0450 -0.154 -0.305 2 39993.7976 0.0480 -0.150 -0.299 3 39993.8113 0.0507 -0.150 -0.302 2 40003.6665 0.0250 -0.028 -0.178 3 40003.6857 0.0289 -0.105 -0.245 3 40003.7073 0.0332 -0.126 -0.278 3 40003.7390 0.0396 -0.145 -0.292 3 40322.6838 0.9340 -0.148 -0.299 1 40322.7105 0.9394 -0.155 -0.297 3 40322.7394 0.9452 -0.160 -0.308 3 40322.7596 0.9492 -0.158 -0.309 3 40322.7822 0.9537 -0.162 -0.310 3 40322.8010 0.9575 -0.155 -0.303 3 40322.8177 0.9608 -0.148 -0.298 3 40322.8369 0.9647 -0.149 -0.299 3 40322.8637 0.9701 -0.109 -0.269 3 40322.8808 0.9735 -0.071 -0.220 2 40322.8987 0.9771 -0.016 -0.162 3 40322.9202 0.9814 0.078 -0.074 3 40322.9401 0.9854 0.162 0.028 3