Title: A new Cepheid distance to the maser-host galaxy NGC 4258 and its implications for the Hubble Constant Authors: Macri L.M., Stanek K.Z., Bersier D., Greenhill L.J., Reid M.J. Table: Secondary standards ================================================================================ Byte-by-byte Description of file: datafile2.txt -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 8 A8 --- ID Star identification (1) 10- 11 I2 h RAh Hour of Right Ascension (J2000) 13- 14 I2 min RAm Minute of Right Ascension (J2000) 16- 21 F6.3 s RAs Second of Right Ascension (J2000) 23- 24 I2 deg DEd Degree of Declination (J2000) 26- 27 I2 arcmin DEm Arcminute of Declination (J2000) 29- 33 F5.2 arcsec DEs Arcsecond of Declination (J2000) 35- 40 F6.1 mag Xpix The X pixel coordinate 42- 47 F6.1 mag Ypix The Y pixel coordinate 49- 54 F6.3 mag Vmag The V band magnitude 56- 57 I2 mmag e_Vmag Uncertainty in Vmag in millimagnitudes 59- 64 F6.3 mag Imag The I band magnitude 66- 67 I2 mmag e_Imag Uncertainty in Imag in millimagnitudes 69- 74 F6.3 mag Bmag The B band magnitude 76- 77 I2 mmag e_Bmag Uncertainty in Bmag in millimagnitudes -------------------------------------------------------------------------------- Note (1): O = outer field; I = inner field. -------------------------------------------------------------------------------- O-42521 12 19 12.170 47 10 55.12 3587.1 4181.2 23.203 10 23.099 16 23.275 05 O-42199 12 19 12.218 47 10 48.86 3704.5 4137.1 23.171 07 22.911 07 23.367 06 O-41425 12 19 12.515 47 10 47.19 3719.9 4069.8 22.685 06 22.442 05 22.882 07 O-40490 12 19 12.714 47 10 42.76 3793.8 4006.2 23.879 11 23.778 09 23.819 07 O-42257 12 19 12.819 47 11 11.49 3235.9 4144.5 21.676 08 21.609 05 21.738 04 O-36272 12 19 13.877 47 10 39.73 3786.6 3761.5 21.135 10 20.883 08 21.328 04 O-33809 12 19 14.139 47 10 21.32 4125.5 3608.3 24.645 11 22.924 10 26.319 15 O-40154 12 19 14.432 47 11 39.66 2603.6 3984.3 23.818 08 22.131 05 25.669 14 O-38392 12 19 14.664 47 11 28.64 2802.2 3878.0 21.360 05 21.132 07 21.566 08 O-32891 12 19 14.914 47 10 37.91 3762.9 3548.1 23.580 06 23.348 13 23.781 07 O-36035 12 19 15.520 47 11 35.51 2622.0 3748.2 23.496 13 22.213 07 24.868 08 O-33948 12 19 15.991 47 11 28.53 2729.4 3617.3 21.927 05 21.932 09 21.982 07 O-33825 12 19 16.662 47 11 50.69 2265.9 3608.6 24.050 09 23.073 07 24.894 07 O-33029 12 19 16.955 47 11 51.83 2227.3 3557.6 24.612 14 22.568 08 26.724 23 O-24004 12 19 17.262 47 10 17.33 4026.0 2974.0 23.443 05 21.656 05 25.465 11 O-32412 12 19 17.275 47 11 56.21 2125.3 3519.1 22.476 05 20.332 04 24.686 07 O-23852 12 19 17.327 47 10 17.90 4011.3 2964.4 24.206 09 23.037 08 25.485 16 O-26224 12 19 17.831 47 11 05.16 3074.8 3127.5 23.533 07 23.629 09 23.533 06 O-24263 12 19 18.397 47 11 00.78 3126.9 2992.4 23.631 11 23.405 08 23.790 06 O-24437 12 19 18.906 47 11 20.88 2712.1 3003.8 23.254 06 23.005 08 23.476 04 O-27098 12 19 19.000 47 11 57.33 2006.3 3187.5 23.835 05 23.959 09 23.779 08 O-27772 12 19 19.231 47 12 13.54 1681.7 3231.9 23.428 06 23.469 12 23.440 06 O-24814 12 19 19.242 47 11 37.53 2373.1 3030.3 24.480 07 22.440 06 26.554 16 O-29219 12 19 19.505 47 12 40.50 1148.4 3327.5 24.928 10 23.125 08 26.887 23 O-20523 12 19 19.508 47 10 52.99 3213.9 2731.5 23.349 06 23.336 09 23.394 07 O-17440 12 19 19.571 47 10 19.51 3853.7 2533.6 23.425 06 23.354 11 23.484 07 O-19079 12 19 20.092 47 10 56.47 3114.0 2636.2 23.966 07 24.012 12 24.043 05 O-16728 12 19 20.509 47 10 44.69 3317.0 2489.3 24.127 18 22.538 05 25.871 18 O-20207 12 19 20.581 47 11 27.28 2494.5 2711.3 23.405 06 23.420 10 23.442 06 O-24674 12 19 20.643 47 12 25.33 1375.5 3020.7 23.607 07 23.439 10 23.755 05 O-20819 12 19 20.779 47 11 41.42 2211.5 2750.9 24.851 10 23.166 07 26.589 23 O-14141 12 19 20.913 47 10 25.89 3655.3 2306.1 23.313 05 23.355 09 23.322 05 O-18323 12 19 20.958 47 11 18.41 2643.5 2588.1 23.522 06 23.501 08 23.600 06 O-14127 12 19 21.046 47 10 30.32 3562.8 2304.6 23.653 10 21.810 05 25.692 19 O-12511 12 19 21.312 47 10 06.61 4003.2 2120.9 22.041 07 21.980 07 22.117 07 O-25187 12 19 21.845 47 13 14.41 364.8 3057.2 23.694 07 21.900 04 25.699 13 O-14176 12 19 22.027 47 11 05.81 2825.3 2309.0 23.906 10 23.847 16 23.992 06 O-11210 12 19 22.263 47 10 15.34 3781.7 1983.0 23.273 09 21.275 08 25.321 17 O-10504 12 19 22.266 47 10 02.74 4023.6 1912.7 23.586 07 23.780 10 23.494 06 O-18107 12 19 22.334 47 12 04.51 1680.1 2574.1 24.702 19 22.901 08 26.485 20 O-21272 12 19 22.420 47 12 45.95 879.1 2787.1 23.595 06 23.496 10 23.753 05 O-15383 12 19 22.645 47 11 43.94 2057.7 2399.2 24.046 10 21.882 07 26.114 23 O-10490 12 19 22.949 47 10 26.80 3522.9 1912.0 23.385 05 23.389 07 23.412 05 O-16089 12 19 22.992 47 12 05.10 1631.7 2448.4 23.655 07 23.261 13 24.057 06 O-13002 12 19 23.291 47 11 30.59 2277.9 2198.7 24.155 11 24.015 14 24.151 05 O-07854 12 19 23.647 47 10 00.99 3979.3 1632.1 23.695 08 23.654 10 23.763 06 O-08659 12 19 23.867 47 10 24.11 3522.5 1717.4 23.478 07 22.969 07 23.941 08 O-16262 12 19 23.950 47 12 41.11 885.7 2460.4 24.369 09 22.517 06 26.446 21 O-06740 12 19 24.446 47 10 05.92 3839.4 1502.9 24.158 09 22.570 06 25.818 14 O-06088 12 19 24.938 47 10 09.66 3739.7 1427.3 22.943 05 22.527 06 23.285 04 O-15885 12 19 24.980 47 13 12.78 219.1 2434.5 23.819 10 23.742 09 23.838 07 O-04899 12 19 25.430 47 10 02.40 3851.3 1290.6 24.455 09 23.042 07 26.003 13 O-04365 12 19 25.631 47 09 56.73 3949.0 1219.8 22.900 04 23.187 18 22.789 07 O-04124 12 19 25.787 47 09 56.37 3947.0 1187.2 23.122 04 21.417 05 24.932 10 O-04040 12 19 25.871 47 09 57.53 3920.0 1177.1 21.972 07 21.988 08 22.010 07 O-04381 12 19 25.881 47 10 06.01 3756.6 1222.1 24.319 09 22.748 06 26.130 19 O-03865 12 19 26.199 47 10 04.72 3763.3 1152.7 24.044 08 24.183 13 23.942 06 O-04211 12 19 26.281 47 10 15.97 3542.5 1199.1 24.322 14 22.703 08 26.120 19 O-03184 12 19 27.060 47 10 15.28 3511.7 1042.6 23.442 06 23.272 08 23.567 06 O-03666 12 19 27.985 47 11 02.54 2551.6 1123.6 23.366 06 22.977 06 23.683 07 O-01476 12 19 29.343 47 10 27.38 3150.3 662.4 24.380 12 23.252 07 25.292 12 O-01571 12 19 29.605 47 10 41.26 2868.7 688.0 23.655 06 23.011 08 24.233 07 O-00409 12 19 32.129 47 10 56.53 2432.5 278.4 23.071 05 22.385 07 23.631 05 I-144391 12 18 35.594 47 19 12.48 4106.5 4048.8 23.196 06 22.670 07 23.630 09 I-141222 12 18 37.023 47 19 06.28 4141.1 3734.8 22.899 11 22.487 07 23.038 06 I-135234 12 18 40.496 47 19 42.70 3239.4 3269.7 22.431 05 22.171 08 22.624 04 I-134650 12 18 40.699 47 19 43.27 3216.6 3233.5 21.767 05 21.780 07 21.789 07 I-132458 12 18 41.287 47 19 39.84 3247.6 3099.2 23.030 05 23.103 10 22.998 06 I-123569 12 18 42.316 47 18 52.84 4086.6 2626.5 22.980 07 22.887 08 23.062 08 I-114856 12 18 45.764 47 19 56.24 2670.0 2323.0 24.017 09 22.194 06 25.871 13 I-119843 12 18 46.023 47 20 32.42 1962.3 2482.4 23.181 06 22.906 09 23.422 07 I-103268 12 18 46.285 47 19 12.79 3470.8 1969.5 23.495 08 23.401 08 23.598 06 I-105805 12 18 46.324 47 19 25.27 3229.7 2034.4 22.195 05 22.024 06 22.340 04 I-105684 12 18 47.940 47 20 18.91 2107.8 2031.0 23.158 07 22.727 07 23.497 07 I-088166 12 18 48.006 47 19 02.76 3561.2 1576.3 22.724 04 22.349 09 23.061 07 I-104681 12 18 48.121 47 20 20.40 2068.6 2004.5 23.157 07 22.197 05 24.039 07 I-103975 12 18 48.158 47 20 18.70 2099.0 1987.4 23.141 07 22.564 11 23.605 07 I-104488 12 18 48.182 47 20 21.73 2039.5 2000.2 22.196 06 21.567 06 22.888 07 I-113472 12 18 48.262 47 21 13.70 1040.4 2286.3 22.893 09 22.651 07 22.951 06 I-090103 12 18 48.318 47 19 21.14 3191.0 1622.2 23.175 06 22.829 06 23.446 06 I-104519 12 18 48.462 47 20 31.18 1842.3 2000.7 22.912 06 22.642 08 23.177 09 I-103874 12 18 48.638 47 20 34.33 1771.7 1984.7 23.219 06 23.217 09 23.266 09 I-102741 12 18 48.656 47 20 30.21 1849.3 1957.3 22.225 05 22.070 06 22.387 05 I-087074 12 18 48.683 47 19 20.99 3172.4 1550.3 22.886 09 22.691 11 23.041 13 I-073682 12 18 48.720 47 18 33.62 4076.8 1268.3 21.721 06 21.485 06 21.926 08 I-085520 12 18 48.770 47 19 17.24 3239.0 1511.7 23.041 07 23.088 07 23.002 05 I-083770 12 18 48.913 47 19 15.49 3264.2 1473.7 23.153 07 20.979 05 25.183 09 I-079834 12 18 48.956 47 19 03.09 3498.8 1393.3 23.321 05 22.947 08 23.609 05 I-070838 12 18 48.971 47 18 32.27 4087.8 1211.5 24.108 07 22.189 07 26.056 16 I-080747 12 18 49.053 47 19 09.35 3373.4 1410.8 21.944 05 21.269 05 22.663 05 I-086044 12 18 49.060 47 19 29.13 2994.5 1524.3 23.263 09 23.057 10 23.421 08 I-083373 12 18 49.069 47 19 19.37 3180.7 1465.9 22.023 08 21.701 10 22.200 05 I-070982 12 18 49.136 47 18 38.33 3962.0 1214.7 22.644 05 22.493 07 22.748 05 I-070571 12 18 49.155 47 18 37.61 3974.8 1206.7 24.309 08 22.062 07 26.210 20 I-082860 12 18 49.155 47 19 20.31 3157.5 1454.6 22.890 10 21.899 09 23.600 09 I-099697 12 18 49.205 47 20 34.56 1733.7 1875.7 22.361 06 22.195 06 22.511 06 I-108758 12 18 49.218 47 21 21.66 831.6 2146.6 22.103 08 21.863 07 22.319 07 I-081228 12 18 49.314 47 19 19.88 3156.4 1421.1 23.745 07 21.597 06 25.678 15 I-102933 12 18 49.316 47 20 53.09 1372.6 1961.7 22.936 07 22.723 07 23.097 07 I-067011 12 18 49.418 47 18 34.76 4013.7 1139.0 23.159 05 23.044 08 23.277 05 I-103161 12 18 49.490 47 21 00.04 1229.4 1968.2 22.914 07 22.479 08 23.310 06 I-074473 12 18 49.612 47 19 06.26 3399.4 1284.1 24.238 09 21.735 07 26.489 24 I-066308 12 18 49.619 47 18 39.11 3918.6 1125.2 23.471 06 23.489 07 23.454 05 I-078096 12 18 49.639 47 19 19.83 3138.3 1357.5 23.721 09 21.328 06 26.018 20 I-077262 12 18 49.727 47 19 19.77 3134.2 1340.0 24.015 08 21.523 05 26.119 22 I-098503 12 18 49.897 47 20 52.25 1354.5 1843.8 23.252 06 23.178 08 23.271 07 I-099683 12 18 50.276 47 21 10.46 983.6 1875.7 22.940 07 22.720 07 23.124 05 I-061766 12 18 50.339 47 18 48.69 3692.8 1040.6 23.393 07 23.153 10 23.553 05 I-096517 12 18 50.388 47 20 58.90 1198.2 1786.8 23.236 06 22.880 09 23.589 11 I-066347 12 18 50.408 47 19 05.74 3362.6 1126.1 23.857 07 21.819 04 25.976 15 I-057248 12 18 50.459 47 18 39.41 3863.3 963.4 22.753 06 21.522 08 24.257 08 I-097059 12 18 50.506 47 21 05.48 1065.4 1802.2 23.129 05 22.175 06 24.161 11 I-098349 12 18 50.551 47 21 13.54 908.4 1840.1 23.276 08 23.162 08 23.410 08 I-095922 12 18 50.575 47 21 02.20 1124.0 1769.6 23.785 07 21.899 07 25.744 10 I-098241 12 18 50.629 47 21 15.54 865.6 1836.6 22.711 08 21.918 06 23.364 11 I-069054 12 18 50.660 47 19 23.07 3015.9 1177.7 22.060 08 21.805 06 22.257 05 I-095573 12 18 50.660 47 21 03.30 1098.1 1759.5 23.464 07 23.454 13 23.473 07 I-076137 12 18 50.682 47 19 48.01 2537.4 1318.2 23.124 07 23.178 08 23.061 05 I-093828 12 18 50.904 47 21 03.68 1076.4 1714.2 22.924 05 23.039 08 22.841 06 I-058756 12 18 51.180 47 19 08.00 3273.7 988.9 23.077 06 23.087 08 23.029 07 I-090247 12 18 51.536 47 21 09.66 924.7 1626.0 23.327 06 23.166 08 23.443 07 I-061749 12 18 51.629 47 19 32.09 2786.2 1041.5 23.250 07 23.215 12 23.237 08 I-053489 12 18 51.677 47 19 09.74 3211.0 902.4 23.049 06 22.776 08 23.198 06 I-088669 12 18 51.691 47 21 08.39 939.7 1588.4 22.049 08 21.829 06 22.250 07 I-083930 12 18 51.931 47 20 57.50 1134.0 1478.5 22.621 07 22.473 08 22.740 06 I-085717 12 18 51.932 47 21 04.09 1007.8 1516.7 22.729 09 22.006 05 23.459 09 I-084451 12 18 51.971 47 21 00.74 1069.6 1489.5 21.377 08 21.132 05 21.569 07 I-069614 12 18 53.155 47 20 48.62 1231.7 1189.0 22.888 05 22.524 06 23.192 05 I-064626 12 18 53.555 47 20 45.51 1267.6 1093.1 22.628 08 22.101 06 23.074 13 I-063900 12 18 53.881 47 20 54.14 1083.2 1079.8 22.099 05 20.999 05 23.034 05 I-051775 12 18 54.931 47 20 54.12 1021.7 875.3 24.093 09 21.877 05 26.049 22 I-046281 12 18 55.212 47 20 48.86 1105.8 790.2 22.614 04 22.368 08 22.812 05 I-055316 12 18 55.871 47 21 35.37 177.0 932.3 23.325 07 23.123 08 23.512 06 I-031500 12 18 56.194 47 20 42.15 1176.2 560.2 23.268 06 23.182 10 23.288 06 I-034957 12 18 57.524 47 21 35.84 70.3 613.6 23.253 08 21.215 07 25.105 10 I-015569 12 18 57.880 47 20 55.92 813.2 312.3 24.175 08 21.362 06 26.568 21 I-010961 12 18 57.913 47 20 44.96 1021.0 242.2 21.467 07 21.148 06 21.700 05