mu Cephei historical data Date: Wed, 6 Dec 2000 12:57:52 -0700 (MST) From: Brian Skiff <bas@lowell.edu> Subject: mu Cephei historical data mu Cephei historical data source: 1954POPot..29e...1H HASSENSTEIN W. Publ. Astrophys. Obs. Potsdam, 29, part 5, 3 (1954) Photometrische beobachtungen von veranderlichen sterne. delta = magnitude difference wrt 20 Cep = HD 209960. magnitude difference of 12 Cep minus 20 Cep given as +0.353 +/- 0.030, which matches difference in Johnson B system. assumes B=6.68 for 20 Cep = HD 209960. instrumentation: 30cm refractor + potassium-argon photoelectric cell JD delta B 2429110.401 -0.471 6.21 2429114.416 -0.506 6.17 2429120.385 -0.501 6.18 2429130.378 -0.523: 6.16 2429130.531 -0.503 6.18 2429152.331 -0.503 6.18 2429157.306 -0.468 6.21 2429162.297 -0.452 6.23 2429168.292 -0.421 6.26 2429175.468 -0.451 6.23 2429186.473 -0.461 6.22 2429192.489 -0.398 6.28 2429193.248 -0.436 6.24 2429204.224 -0.427 6.25 2429214.421 -0.385 6.30 2429231.295 -0.370 6.31 2429234.346 -0.339 6.34 2429245.301 -0.292 6.39 2429274.279 -0.315: 6.37 2429278.262 -0.263: 6.42 2429287.237 -0.211: 6.47 2429289.336 -0.339: 6.34 2429293.278 -0.278 6.40 2429301.241 -0.283 6.40 2429314.171 -0.272 6.41 2429323.308 -0.207: 6.47 2429325.274 -0.247 6.43 2429339.327 -0.282 6.40 2429354.316 -0.254 6.43 2429365.351 -0.216: 6.46 2429374.446 -0.277: 6.40 2429388.383 -0.284: 6.40 2429400.427 -0.293 6.39 2429410.410 -0.267 6.41 2429414.458 -0.252 6.43 2429422.446 -0.235 6.45 2429429.466 -0.230 6.45 2429438.449 -0.220 6.46 2429445.488 -0.265 6.42 2429481.403 -0.225 6.46 2429492.392 -0.186 6.49 2429495.419 -0.194 6.49 2429505.370 -0.223 6.46 2429514.307 -0.175 6.51 2429536.274 -0.172: 6.51 2429537.267 -0.152 6.53 2429553.417 -0.140 6.54 2429574.358 -0.123 6.56 2429588.354 -0.114 6.57 2429606.425 -0.065 6.62 2429612.259 -0.047: 6.63 2429618.375 -0.069 6.61 2429635.250 -0.047 6.63 2429647.231 -0.102 6.58 2429659.269 -0.131 6.55 2429677.367 -0.100 6.58 [reformatted] object YYYYMMDD(UT) mag code CEPmu 19380730.901 6.21B WHa CEPmu 19380803.916 6.17B WHa CEPmu 19380809.885 6.18B WHa CEPmu 19380819.878 6.16B WHa CEPmu 19380820.031 6.18B WHa CEPmu 19380910.831 6.18B WHa CEPmu 19380915.806 6.21B WHa CEPmu 19380920.797 6.23B WHa CEPmu 19380926.792 6.26B WHa CEPmu 19381003.968 6.23B WHa CEPmu 19381014.973 6.22B WHa CEPmu 19381020.989 6.28B WHa CEPmu 19381021.748 6.24B WHa CEPmu 19381101.724 6.25B WHa CEPmu 19381111.921 6.30B WHa CEPmu 19381128.795 6.31B WHa CEPmu 19381201.846 6.34B WHa CEPmu 19381212.801 6.39B WHa CEPmu 19390110.779 6.37B WHa CEPmu 19390114.762 6.42B WHa CEPmu 19390123.737 6.47B WHa CEPmu 19390125.836 6.34B WHa CEPmu 19390129.778 6.40B WHa CEPmu 19390206.741 6.40B WHa CEPmu 19390219.671 6.41B WHa CEPmu 19390228.808 6.47B WHa CEPmu 19390302.774 6.43B WHa CEPmu 19390316.827 6.40B WHa CEPmu 19390331.816 6.43B WHa CEPmu 19390411.851 6.46B WHa CEPmu 19390420.946 6.40B WHa CEPmu 19390504.883 6.40B WHa CEPmu 19390516.927 6.39B WHa CEPmu 19390526.910 6.41B WHa CEPmu 19390530.958 6.43B WHa CEPmu 19390607.946 6.45B WHa CEPmu 19390614.966 6.45B WHa CEPmu 19390623.949 6.46B WHa CEPmu 19390630.988 6.42B WHa CEPmu 19390805.903 6.46B WHa CEPmu 19390816.892 6.49B WHa CEPmu 19390819.919 6.49B WHa CEPmu 19390829.870 6.46B WHa CEPmu 19390907.807 6.51B WHa CEPmu 19390929.774 6.51B WHa CEPmu 19390930.767 6.53B WHa CEPmu 19391016.917 6.54B WHa CEPmu 19391106.858 6.56B WHa CEPmu 19391120.854 6.57B WHa CEPmu 19391208.925 6.62B WHa CEPmu 19391214.759 6.63B WHa CEPmu 19391220.875 6.61B WHa CEPmu 19400106.750 6.63B WHa CEPmu 19400118.731 6.58B WHa CEPmu 19400130.769 6.55B WHa CEPmu 19400217.867 6.58B WHa