IAU COMMISION 27 UNPUBLISHED DATA FILE No 93 4 pages, including cover sheet January, 1982 V, B photometry of HD 8357 This file contains photometry of the hard X-ray source HD 8357 and is referred in a paper submitted to the Ap.J. Letters during 1982. This X-ray source is a RS CVn binary. Douglas S. Hall Dept. of Physics and Astronomy Vanderbilt University NASHVILLE, TN 37325 USA ======================================================================= %udf#93 %STAR HD 8357 %AUTH Hall D.S. %LIEU Dyer Observatory %OBS Henry %TYPE Differential %HEAD JD DV DB 2444262.5065 1.220 0.989 2444262.5120 1.210 0.997 2444262.5173 1.208 0.991 2444263.5726 1.211 0.996 2444263.5777 1.206 0.992 2444263.5835 1.205 0.995 2444453.9058 1.247 1.069 2444453.9102 1.288 1.068 2444453.9149 1.274 1.069 2444459.9126 1.225 1.013 2444459.9188 1.219 1.018 2444474.8989 1.219 1.014 2444474.9037 1.225 1.009 2444474.9083 1.219 1.010 2444526.8131 1.278 2444526.8159 1.289 2444526.8187 1.275 2444549.7258 1.231 2444549.7284 1.237 2444549.7307 1.237 2444550.7513 1.257 2444550.7539 1.255 2444550.7565 1.259 2444554.6506 1.280 2444554.6530 1.280 2444554.6549 1.287 2444605.5886 1.260 2444605.5909 1.259 2444605.5930 1.265 %LIEU Kitt Peak National observatory %OBS Henry %TYPE Differential %HEAD JD DV 2444496.9533 1.227 2444496.9562 1.232 2444498.8590 1.214 2444498.8617 1.208 2444498.8644 1.211 2444499.8139 1.224 2444499.8166 1.224 2444499.8193 1.219 2444500.9142 1.251 2444500.9169 1.248 2444500.9195 1.246 2444501.7907 1.265 2444501.7934 1.263 2444501.7965 1.264 2444502.7868 1.283 2444502.7894 1.285 2444502.7921 1.283 2444503.7967 1.291 2444503.7994 1.290 2444503.8020 1.291 2444504.8835 1.291 2444504.8859 1.290 2444504.8885 1.293 2444505.7789 1.287 2444505.7813 1.287 2444505.7838 1.284 2444506.8524 1.266 2444506.8550 1.265 2444506.8578 1.266 2444509.8890 1.215 2444509.8913 1.211 2444509.8935 1.216 2444510.8861 1.209 2444510.8883 1.213 2444510.8905 1.212 2444511.8381 1.224 2444511.8406 1.221 2444511.8433 1.223 2444512.7863 1.233 2444512.7884 1.240 2444512.7906 1.236 2444513.7898 1.249 2444513.7921 1.249 2444513.7943 1.251 %LIEU Louth Observatory %OBS Louth %TYPE Differential %HEAD JD DV 2444554.7412 1.284 2444554.7443 1.289 2444554.7470 1.284 2444619.6708 1.223 2444619.6736 1.222 2444619.6764 1.233 2444641.6296 1.253 2444641.6326 1.259 2444641.6365 1.257