# IBVS 4624-t2.txt #IAU COMMISSION 27 UNPUBLISHED DATA FILE 299E #Object: UV Leo #Telescope: 22" (.56m) f10 Cassegrain Celestron #Detector: Optec SSP3, Planar Diffusion type Silicon PN Photodiode, 1mm Diaphagm #Filter: B, V #Observer: LeRoy F. Snyder #IBVSdataKey: photometry COVER PAGE FOR DATA TO BE ARCHIVED File number 299E NAME OF STAR UV-LEONIS = HD92109 = SAO99222 = BD+15 2230 COMPARISON STAR = HD91876 = SAO99207 = BD+14 2269 CHECK STAR = Not Used NUMBER OF OBSERVATIONS BAND NUMBER B 158 V 158 PHOTOMETRIC SYSTEM Photometer - Optec SSP3 - Planar Diffusion type Silicon PN Photodiode Detector - 1mm Diaphagm Telescope - 22" (.56m) f10 Cassegrain Celestron Filters - B Centered Response = 440nn V " " = 540nn OBSERVATION DETAILS Each data point is the average of three 10 second intergrations. Following Extinction Coefficients have been applied: kv= .391; kb= .357; All data has been transformed to the UBV system using the following tranformation coefficients: V= -0.007; B-V= 1.005; Observatory location = 119 55 47 W 39 17 43 N PUBLICATIONS REFERENCES International Amateur-Professional Photoelectric Photometry I.A.P.P.P.) Communication (submitted). OBSERVER AND PERSON TO CONTACT FOR FURTHER INFORMATION LeRoy F. Snyder Internet:lee@rigel.physics.unr.edu MacLean/Tahoe Observatories FAX: (702) 831-5535 P.O. Box 3964 Incline Village, NV 89450 USA ************************************************************************ DIFFERENTIAL MAGNITUDES Extinction corrected standardized comparison star Star Hel. J. D. Air Mass V B-V UV-LEO 49432.6844 1.316 8.848 - 49432.6841 1.317 0.027 UV-LEO 49432.6860 1.308 8.865 - 49432.6858 1.309 -0.017 UV-LEO 49432.6882 1.298 8.845 - 49432.6879 1.299 0.042 UV-LEO 49432.6921 1.281 8.868 - 49432.6919 1.282 -0.034 UV-LEO 49432.6949 1.269 8.851 - 49432.6941 1.272 -0.008 UV-LEO 49432.6966 1.262 8.828 - 49432.6963 1.263 0.002 UV-LEO 49432.7016 1.243 8.826 - 49432.7012 1.244 -0.031 UV-LEO 49432.7032 1.237 8.828 - 49432.7030 1.238 -0.023 UV-LEO 49432.7050 1.231 8.884 - 49432.7048 1.232 -0.100 UV-LEO 49432.7119 1.208 8.875 - 49432.7113 1.210 -0.115 UV-LEO 49432.7136 1.203 8.877 - 49432.7133 1.204 -0.032 UV-LEO 49432.7151 1.199 8.886 - 49432.7148 1.200 0.023 UV-LEO 49432.7215 1.181 8.862 - 49432.7207 1.183 -0.046 UV-LEO 49432.7231 1.177 8.884 - 49432.7229 1.178 -0.096 UV-LEO 49432.7270 1.168 9.035 - 49432.7258 1.171 -0.200 UV-LEO 49432.7335 1.154 8.861 - 49432.7333 1.154 0.096 UV-LEO 49432.7356 1.150 8.840 - 49432.7353 1.150 0.005 UV-LEO 49432.7380 1.145 8.833 - 49432.7371 1.147 -0.076 UV-LEO 49432.7434 1.136 8.871 - 49432.7432 1.136 -0.028 UV-LEO 49432.7451 1.133 8.930 - 49432.7449 1.134 -0.060 UV-LEO 49432.7469 1.131 8.926 - 49432.7466 1.131 -0.047 UV-LEO 49432.7520 1.124 8.902 - 49432.7517 1.124 0.013 UV-LEO 49432.7551 1.120 8.990 - 49432.7549 1.120 0.032 UV-LEO 49432.7575 1.117 9.045 - 49432.7572 1.118 0.085 UV-LEO 49432.7619 1.113 8.996 - 49432.7616 1.113 -0.015 UV-LEO 49432.7645 1.111 9.079 - 49432.7640 1.112 0.008 UV-LEO 49432.7660 1.110 9.049 - 49432.7655 1.110 -0.034 UV-LEO 49432.7702 1.107 9.092 - 49432.7699 1.108 0.087 UV-LEO 49432.7719 1.106 9.157 - 49432.7716 1.107 0.038 UV-LEO 49432.7732 1.106 9.196 - 49432.7729 1.106 -0.085 UV-LEO 49432.7786 1.104 9.203 - 49432.7778 1.104 0.115 UV-LEO 49432.7809 1.104 9.254 - 49432.7804 1.104 0.012 UV-LEO 49432.7825 1.103 9.250 - 49432.7821 1.103 -0.024 UV-LEO 49432.7881 1.103 9.362 - 49432.7879 1.103 -0.106 UV-LEO 49432.7897 1.104 9.297 - 49432.7895 1.103 0.093 UV-LEO 49432.7917 1.104 9.318 - 49432.7915 1.104 0.026 UV-LEO 49432.7975 1.106 9.358 - 49432.7970 1.106 -0.024 UV-LEO 49432.7994 1.107 9.361 - 49432.7991 1.106 -0.039 UV-LEO 49432.8009 1.107 9.351 - 49432.8007 1.107 -0.039 UV-LEO 49432.8048 1.110 9.243 - 49432.8046 1.110 0.009 UV-LEO 49432.8074 1.112 9.222 - 49432.8068 1.111 -0.041 UV-LEO 49432.8131 1.117 9.183 - 49432.8108 1.115 -0.302 DIFFERENTIAL MAGNITUDES Extinction corrected standardized comparison star Star Hel. J. D. Air Mass V B-V UV-LEO 49453.7490 1.112 8.916 - 49453.7487 1.112 -0.055 UV-LEO 49453.7527 1.115 8.932 - 49453.7524 1.115 -0.039 UV-LEO 49453.7573 1.120 8.940 - 49453.7571 1.120 0.037 UV-LEO 49453.7586 1.121 9.015 - 49453.7583 1.121 -0.036 UV-LEO 49453.7635 1.128 9.070 - 49453.7631 1.127 -0.067 UV-LEO 49453.7660 1.131 9.081 - 49453.7658 1.131 -0.081 UV-LEO 49453.7705 1.138 9.104 - 49453.7698 1.137 0.021 UV-LEO 49453.7722 1.141 9.169 - 49453.7719 1.141 -0.076 UV-LEO 49453.7771 1.150 9.180 - 49453.7768 1.149 0.036 UV-LEO 49453.7782 1.152 9.196 - 49453.7780 1.152 0.050 UV-LEO 49453.7830 1.162 9.242 - 49453.7824 1.161 0.031 UV-LEO 49453.7853 1.167 9.284 - 49453.7848 1.166 0.097 UV-LEO 49453.7896 1.178 9.319 - 49453.7893 1.177 -0.058 UV-LEO 49453.7919 1.184 9.373 - 49453.7914 1.183 -0.057 UV-LEO 49453.7963 1.196 9.428 - 49453.7961 1.195 -0.136 UV-LEO 49453.7987 1.203 9.366 - 49453.7984 1.202 -0.006 UV-LEO 49453.8033 1.217 9.323 - 49453.8030 1.216 0.056 UV-LEO 49453.8053 1.224 9.274 - 49453.8050 1.222 0.008 UV-LEO 49453.8108 1.243 9.246 - 49453.8105 1.242 -0.054 UV-LEO 49453.8126 1.250 9.195 - 49453.8124 1.249 0.124 UV-LEO 49453.8166 1.265 9.163 - 49453.8163 1.264 -0.067 UV-LEO 49453.8192 1.276 9.137 - 49453.8190 1.275 -0.026 UV-LEO 49453.8235 1.295 9.080 - 49453.8231 1.293 0.186 UV-LEO 49453.8252 1.302 9.084 - 49453.8249 1.301 -0.038 UV-LEO 49453.8297 1.324 9.026 - 49453.8293 1.322 -0.027 UV-LEO 49453.8322 1.337 9.009 - 49453.8316 1.333 -0.005 UV-LEO 49453.8359 1.357 8.996 - 49453.8357 1.355 -0.105 UV-LEO 49453.8377 1.367 8.970 - 49453.8374 1.365 -0.025 UV-LEO 49453.8437 1.402 8.932 - 49453.8434 1.400 -0.030 UV-LEO 49453.8454 1.413 8.895 - 49453.8451 1.411 0.001 UV-LEO 49453.8494 1.439 8.875 - 49453.8491 1.437 -0.052 UV-LEO 49453.8514 1.453 8.906 - 49453.8511 1.451 -0.086 UV-LEO 49453.8576 1.498 8.853 - 49453.8573 1.496 -0.019 UV-LEO 49453.8602 1.520 8.890 - 49453.8599 1.517 -0.016 UV-LEO 49453.8650 1.560 8.865 - 49453.8648 1.558 0.050 UV-LEO 49453.8674 1.582 8.848 - 49453.8669 1.576 -0.021 UV-LEO 49453.8733 1.638 8.909 - 49453.8729 1.634 -0.088 UV-LEO 49453.8749 1.654 8.887 - 49453.8746 1.651 -0.017 UV-LEO 49453.8790 1.699 8.895 - 49453.8786 1.694 -0.080 UV-LEO 49453.8810 1.720 8.910 - 49453.8807 1.717 0.006 UV-LEO 49453.8857 1.778 8.846 - 49453.8855 1.774 0.035 UV-LEO 49453.8885 1.813 8.831 - 49453.8881 1.808 -0.032 UV-LEO 49453.8940 1.889 8.865 - 49453.8934 1.880 -0.105 UV-LEO 49453.8967 1.930 8.861 - 49453.8962 1.923 -0.007 DIFFERENTIAL MAGNITUDES Extinction corrected standardized comparison star Star Hel. J. D. Air Mass V B-V UV-LEO 49462.7449 1.138 8.954 - 49462.7446 1.137 0.003 UV-LEO 49462.7471 1.141 8.911 - 49462.7468 1.141 -0.051 UV-LEO 49462.7528 1.152 8.917 - 49462.7524 1.151 -0.082 UV-LEO 49462.7548 1.156 8.971 - 49462.7545 1.155 -0.071 UV-LEO 49462.7597 1.167 9.000 - 49462.7594 1.166 -0.019 UV-LEO 49462.7614 1.171 8.989 - 49462.7611 1.170 -0.032 UV-LEO 49462.7653 1.180 9.028 - 49462.7649 1.179 0.009 UV-LEO 49462.7670 1.185 9.017 - 49462.7667 1.184 0.025 UV-LEO 49462.7703 1.194 9.051 - 49462.7700 1.193 0.095 UV-LEO 49462.7729 1.201 8.986 - 49462.7726 1.200 0.023 UV-LEO 49462.7771 1.214 9.082 - 49462.7768 1.213 0.162 UV-LEO 49462.7788 1.219 9.159 - 49462.7786 1.219 -0.094 UV-LEO 49462.7831 1.234 9.253 - 49462.7828 1.233 0.028 UV-LEO 49462.7846 1.240 9.317 - 49462.7844 1.239 -0.018 UV-LEO 49462.7894 1.258 9.334 - 49462.7891 1.257 -0.107 UV-LEO 49462.7912 1.265 9.320 - 49462.7909 1.264 -0.013 UV-LEO 49462.7962 1.286 9.360 - 49462.7959 1.284 -0.011 UV-LEO 49462.7983 1.295 9.437 - 49462.7978 1.293 -0.134 UV-LEO 49462.8036 1.320 9.349 - 49462.8034 1.319 0.040 UV-LEO 49462.8051 1.327 9.340 - 49462.8049 1.326 -0.019 UV-LEO 49462.8097 1.351 9.256 - 49462.8093 1.349 -0.015 UV-LEO 49462.8114 1.361 9.215 - 49462.8111 1.359 0.112 UV-LEO 49462.8157 1.386 9.162 - 49462.8154 1.384 0.019 UV-LEO 49462.8189 1.405 9.151 - 49462.8185 1.403 0.247 UV-LEO 49462.8232 1.433 9.091 - 49462.8227 1.429 0.111 UV-LEO 49462.8253 1.447 9.110 - 49462.8250 1.445 0.019 UV-LEO 49462.8295 1.477 9.258 - 49462.8292 1.475 -0.091 UV-LEO 49462.8318 1.495 9.312 - 49462.8316 1.493 0.036 UV-LEO 49462.8385 1.549 8.970 - 49462.8383 1.547 0.046 UV-LEO 49462.8410 1.571 9.132 - 49462.8406 1.568 -0.163 UV-LEO 49462.8480 1.638 8.766 - 49462.8478 1.635 -0.029 UV-LEO 49462.8504 1.661 8.756 - 49462.8499 1.657 -0.032 UV-LEO 49462.8546 1.708 9.026 - 49462.8543 1.704 0.003 UV-LEO 49462.8568 1.733 9.149 - 49462.8565 1.730 -0.012 DIFFERENTIAL MAGNITUDES Extinction corrected standardized comparison star Star Hel. J. D. Air Mass V B-V UV-LEO 49484.6765 1.128 9.122 - 49484.6763 1.128 0.046 UV-LEO 49484.6779 1.130 9.248 - 49484.6776 1.130 -0.054 UV-LEO 49484.6816 1.135 9.227 - 49484.6813 1.135 -0.041 UV-LEO 49484.6831 1.138 9.274 - 49484.6828 1.138 0.024 UV-LEO 49484.6873 1.145 9.314 - 49484.6871 1.145 -0.047 UV-LEO 49484.6886 1.148 9.329 - 49484.6883 1.147 -0.006 UV-LEO 49484.6924 1.155 9.513 - 49484.6922 1.155 -0.091 UV-LEO 49484.6944 1.159 9.398 - 49484.6939 1.158 0.102 UV-LEO 49484.6985 1.168 9.467 - 49484.6983 1.168 0.113 UV-LEO 49484.7002 1.173 9.446 - 49484.6999 1.172 0.134 UV-LEO 49484.7038 1.181 9.492 - 49484.7036 1.181 0.074 UV-LEO 49484.7054 1.186 9.580 - 49484.7051 1.185 0.004 UV-LEO 49484.7095 1.197 9.350 - 49484.7092 1.196 0.091 UV-LEO 49484.7117 1.204 9.412 - 49484.7112 1.202 -0.031 UV-LEO 49484.7174 1.221 9.345 - 49484.7167 1.219 0.032 UV-LEO 49484.7191 1.227 9.279 - 49484.7188 1.226 0.023 UV-LEO 49484.7236 1.243 9.281 - 49484.7234 1.242 0.002 UV-LEO 49484.7253 1.249 9.313 - 49484.7251 1.248 -0.032 UV-LEO 49484.7301 1.268 9.154 - 49484.7299 1.267 -0.121 UV-LEO 49484.7317 1.275 9.140 - 49484.7315 1.274 -0.051 UV-LEO 49484.7358 1.292 9.069 - 49484.7355 1.291 0.002 UV-LEO 49484.7374 1.300 9.045 - 49484.7372 1.299 -0.033 UV-LEO 49484.7445 1.334 9.479 - 49484.7442 1.333 0.093 UV-LEO 49484.7464 1.344 9.231 - 49484.7461 1.343 -0.021 UV-LEO 49484.7516 1.373 9.150 - 49484.7510 1.370 -0.163 UV-LEO 49484.7534 1.384 9.053 - 49484.7532 1.382 0.037 DIFFERENTIAL MAGNITUDES Extinction corrected Standardized differences Delta ... Star Hel. J. D. Air Mass V B-V UV-leo 49507.6996 1.441 0.687 - 49507.6994 1.439 -0.062 UV-leo 49507.7017 1.456 0.676 - 49507.7015 1.454 0.024 UV-leo 49507.7033 1.467 0.683 - 49507.7031 1.466 -0.081 UV-leo 49507.7072 1.496 0.608 - 49507.7068 1.493 0.044 UV-leo 49507.7088 1.509 0.615 - 49507.7087 1.508 0.072 UV-leo 49507.7105 1.523 0.609 - 49507.7103 1.520 -0.021 UV-leo 49507.7148 1.559 0.665 - 49507.7146 1.557 -0.001 UV-leo 49507.7163 1.572 0.701 - 49507.7161 1.570 0.005 UV-leo 49507.7178 1.585 0.737 - 49507.7176 1.583 0.010 UV-leo 49507.7210 1.616 0.685 - 49507.7208 1.614 0.013 UV-leo 49507.7225 1.631 0.736 - 49507.7223 1.629 -0.095 UV-leo 49507.7240 1.646 0.677 - 49507.7238 1.644 -0.064