Table 3. uvby Photometry for Theta Aur year 2 average 0.327 0.139 0.726 -0.463 0.894 -0.524 1.092 -0.559 std. dev. 0.028 0.004 0.010 0.004 0.013 0.003 0.011 0.005 year 3 average 0.339 0.137 0.730 -0.465 0.900 -0.525 1.096 -0.559 std. dev. 0.018 0.004 0.010 0.003 0.012 0.006 0.009 0.008 year 4 average 0.334 0.134 0.732 -0.467 0.896 -0.529 1.097 -0.562 std. dev. 0.020 0.007 0.012 0.003 0.016 0.003 0.011 0.002 year 5 average 0.327 0.140 0.730 -0.471 0.888 -0.531 1.091 -0.566 std. dev. 0.025 0.011 0.012 0.005 0.014 0.004 0.010 0.004 years 2-5 average 0.332 0.138 0.730 -0.467 0.894 -0.528 1.094 -0.562 std. dev. 0.023 0.008 0.011 0.005 0.014 0.005 0.010 0.006