Table 1: LT-IO:O r-band light curves of SDSS J1442+4055AB -------------------------------------------------- MJD-50000 Modified Julian Date - 50000 mA Magnitude of SDSS J1442+4055A emA Error in magnitude of SDSS J1442+4055A mB Magnitude of SDSS J1442+4055B emB Error in magnitude of SDSS J1442+4055B mS Magnitude of the field (control) star S emS Error in magnitude of S -------------------------------------------------- MJD-50000 mA emA mB emB mS emS 7379.288 18.076 0.005 19.008 0.009 15.998 0.004 7398.293 18.029 0.006 19.012 0.012 15.993 0.006 7400.289 18.022 0.006 19.018 0.011 16.000 0.005 7406.279 18.026 0.005 18.998 0.009 15.993 0.005 7412.267 18.034 0.007 18.982 0.012 15.994 0.006 7422.282 18.009 0.006 18.970 0.011 15.995 0.005 7427.269 18.014 0.005 18.968 0.008 15.995 0.004 7430.232 18.013 0.005 18.969 0.009 15.992 0.004 7433.138 18.010 0.004 18.975 0.007 15.998 0.004 7452.196 18.007 0.004 18.954 0.007 16.002 0.003 7455.164 17.997 0.005 18.956 0.010 15.988 0.005 7457.136 18.004 0.005 18.942 0.009 15.998 0.004 7460.182 17.999 0.004 18.941 0.007 15.992 0.003 7463.140 17.994 0.007 18.924 0.012 15.995 0.006 7466.133 17.994 0.005 18.944 0.009 15.998 0.005 7473.165 18.002 0.010 18.942 0.019 16.002 0.009 7475.141 17.996 0.006 18.945 0.010 15.997 0.005 7479.089 17.992 0.004 18.937 0.007 15.993 0.003 7482.134 18.007 0.004 18.938 0.008 15.998 0.004 7487.196 18.011 0.003 18.928 0.006 15.996 0.003 7490.167 18.011 0.003 18.921 0.006 15.999 0.003 7502.130 18.019 0.005 18.921 0.009 16.001 0.004 7509.078 18.021 0.004 18.936 0.007 15.995 0.003 7511.155 18.014 0.005 18.933 0.008 15.996 0.004 7514.994 18.012 0.003 18.945 0.006 15.999 0.003 7521.026 18.017 0.004 18.945 0.008 15.996 0.004 7523.143 18.024 0.004 18.936 0.007 15.994 0.004 7526.995 18.032 0.006 18.950 0.010 15.997 0.005 7532.131 18.028 0.007 18.959 0.013 16.001 0.006 7538.173 18.037 0.004 18.945 0.008 15.997 0.004 7541.932 18.034 0.004 18.960 0.007 16.003 0.003 7547.957 18.043 0.004 18.954 0.007 16.003 0.003 7550.945 18.028 0.005 18.961 0.010 15.992 0.005 7553.923 18.040 0.004 18.966 0.008 15.999 0.004 7562.984 18.044 0.008 18.971 0.015 16.000 0.007 7580.928 18.037 0.005 18.967 0.009 15.997 0.004 7607.928 18.029 0.004 18.968 0.007 15.995 0.003 7619.914 18.020 0.005 18.966 0.009 15.992 0.005 7622.891 18.029 0.004 18.974 0.008 15.995 0.004 7757.261 18.045 0.006 18.960 0.011 15.994 0.005 7771.290 18.055 0.005 18.995 0.009 15.998 0.004 7787.231 18.076 0.004 18.992 0.007 15.995 0.004 7788.221 18.084 0.004 18.986 0.008 15.997 0.004 7789.205 18.082 0.004 18.997 0.008 15.994 0.004 7790.109 18.086 0.006 18.986 0.011 15.998 0.005 7791.136 18.083 0.005 19.005 0.010 15.997 0.005 7792.163 18.100 0.006 19.022 0.012 16.009 0.006 7793.094 18.093 0.010 19.021 0.018 16.011 0.009 7802.241 18.106 0.005 19.013 0.009 16.000 0.004 7803.248 18.106 0.005 19.027 0.010 15.996 0.005 7804.255 18.104 0.005 19.010 0.009 15.998 0.004 7811.166 18.111 0.005 19.032 0.008 15.993 0.004 7813.119 18.112 0.008 19.055 0.015 16.008 0.007 7816.105 18.123 0.007 19.020 0.013 15.998 0.006 7820.135 18.118 0.007 19.047 0.012 15.991 0.006 7834.118 18.136 0.005 19.073 0.010 15.989 0.005 7839.082 18.151 0.005 19.068 0.009 15.994 0.005 7842.092 18.145 0.006 19.085 0.011 15.998 0.005 7843.120 18.143 0.006 19.089 0.011 15.999 0.005 7846.050 18.154 0.004 19.081 0.008 15.992 0.004 7848.937 18.162 0.006 19.084 0.012 16.002 0.006 7851.919 18.164 0.010 19.102 0.018 16.008 0.009 7860.944 18.167 0.007 19.084 0.013 15.999 0.006 7864.058 18.165 0.004 19.113 0.008 16.004 0.004 7866.980 18.166 0.005 19.102 0.009 16.000 0.005 7873.969 18.166 0.004 19.123 0.008 16.000 0.004 7876.904 18.163 0.006 19.103 0.011 15.996 0.006 7878.899 18.169 0.006 19.134 0.012 15.996 0.006 7881.955 18.169 0.012 19.140 0.023 16.008 0.011 7884.950 18.170 0.009 19.122 0.016 15.999 0.008 7890.969 18.163 0.005 19.133 0.009 15.993 0.005 7893.926 18.163 0.005 19.117 0.008 15.997 0.004 7896.910 18.160 0.004 19.116 0.007 16.011 0.003 7899.919 18.159 0.004 19.131 0.007 15.998 0.004 7902.910 18.154 0.004 19.121 0.007 16.001 0.004 7905.933 18.152 0.004 19.107 0.008 16.001 0.004 7909.896 18.149 0.007 19.125 0.012 15.992 0.006 7911.884 18.152 0.006 19.125 0.011 16.005 0.005 7914.894 18.154 0.005 19.116 0.010 16.002 0.005 7917.896 18.147 0.004 19.119 0.008 16.009 0.004 7920.984 18.153 0.004 19.106 0.007 15.997 0.004 7923.892 18.153 0.004 19.114 0.007 16.001 0.003 7926.898 18.154 0.005 19.112 0.009 16.003 0.005 7929.889 18.162 0.005 19.122 0.010 15.996 0.005 7932.890 18.163 0.005 19.111 0.009 15.999 0.005 7935.895 18.158 0.005 19.110 0.010 15.998 0.005 7938.964 18.148 0.006 19.091 0.011 16.000 0.005 7941.928 18.164 0.006 19.110 0.010 16.002 0.005 7947.970 18.163 0.005 19.101 0.009 16.001 0.004 7967.926 18.159 0.005 19.113 0.009 15.997 0.004 7969.903 18.169 0.006 19.126 0.010 16.003 0.005 7971.935 18.150 0.010 19.123 0.019 16.001 0.009 7976.886 18.171 0.005 19.106 0.009 16.002 0.005 7977.913 18.167 0.005 19.094 0.009 15.999 0.005 8128.287 18.141 0.005 19.149 0.010 16.001 0.005 8139.276 18.122 0.006 19.125 0.011 15.991 0.005 8143.272 18.116 0.005 19.122 0.009 15.998 0.005 8188.221 18.079 0.005 19.043 0.008 16.004 0.004 8195.098 18.069 0.004 19.046 0.008 15.997 0.004 8199.117 18.064 0.006 19.056 0.011 15.996 0.005 8203.127 18.063 0.007 19.065 0.012 15.996 0.006 8211.127 18.065 0.008 19.075 0.014 15.996 0.007 8216.042 18.060 0.008 19.030 0.014 15.998 0.007 8220.082 18.061 0.005 19.040 0.009 16.002 0.004 8223.050 18.062 0.004 19.042 0.008 15.999 0.004 8226.995 18.061 0.007 19.042 0.012 15.995 0.006 8235.065 18.055 0.010 19.036 0.018 15.997 0.009 8239.057 18.061 0.008 19.018 0.015 16.000 0.007 8242.992 18.057 0.006 19.028 0.011 15.994 0.005 8246.971 18.063 0.004 19.019 0.008 15.997 0.004 8250.968 18.067 0.006 19.031 0.011 15.999 0.006 8254.972 18.060 0.004 19.026 0.008 15.995 0.004 8258.929 18.065 0.005 19.036 0.009 16.002 0.004 8262.971 18.064 0.007 19.043 0.013 16.003 0.006 8266.932 18.066 0.007 19.025 0.013 16.000 0.006 8270.922 18.063 0.004 19.021 0.008 15.997 0.004 8307.027 18.106 0.005 19.031 0.009 15.997 0.004 8310.921 18.103 0.005 19.055 0.010 16.002 0.005 8320.987 18.100 0.006 19.046 0.011 15.996 0.005 8322.963 18.102 0.010 19.035 0.017 15.997 0.009 8330.988 18.112 0.007 19.059 0.012 15.999 0.006 8338.909 18.108 0.005 19.064 0.010 15.999 0.005 8352.873 18.124 0.007 19.065 0.012 16.003 0.006 8354.888 18.111 0.009 19.075 0.016 16.004 0.008 8358.903 18.112 0.008 19.067 0.014 15.996 0.007