\ 2MASS LGA, T. Jarrett \ Radial Surface Brightness: m51 \ Axis Ratio & Position Angle: 0.90 45.0 \ Column Key: \ rmid == semi-major axis (arcsec) \ JHKmean == annulus mean surface brightness (dn per arcsec^2) \ JHKsdev == RMS in JHKmean \ JHKmedian == annulus median surface brightness (dn per arcsec^2) \ JHKmag == annulus median surface brightness (mag per arcsec^2) \ JHKimag == annulus median surface brightness, inclination corrected (mag per arcsec^2) \ J-K == median surface brightness color (mag per arcsec^2) | rmid | Jmean | Jsdev | Jmedian | Jmag | Jimag | Hmean | Hsdev | Hmedian | Hmag | Himag | Kmean | Ksdev | Kmedian | Kmag | Kimag | J-K | 1.000 326.7009 17.6179 333.0158 14.561 14.673 516.0928 31.6093 524.3572 13.854 13.966 381.0276 22.4534 388.4917 13.570 13.682 0.991 2.500 237.5633 19.6445 240.2160 14.915 15.027 373.2504 33.8965 377.8841 14.210 14.322 276.9234 27.1684 283.8571 13.910 14.022 1.005 4.000 148.7927 10.2230 146.1730 15.455 15.567 232.2445 16.0393 230.1802 14.748 14.860 169.0992 14.8106 166.4455 14.490 14.602 0.965 5.500 116.0697 7.4897 117.3400 15.693 15.805 182.2037 12.4164 184.3574 14.989 15.101 132.5267 9.8506 133.5108 14.729 14.841 0.964 7.000 96.0872 8.4133 93.3268 15.942 16.054 150.3448 13.9275 145.6956 15.244 15.356 109.8274 10.2111 106.5128 14.974 15.086 0.968 8.500 83.8845 8.2597 84.0926 16.055 16.167 130.6324 13.2148 130.6160 15.363 15.475 95.7048 9.9798 95.7726 15.090 15.202 0.965 10.000 76.0008 10.4883 78.5838 16.129 16.241 118.6044 16.8556 120.5908 15.450 15.562 86.6862 12.6666 89.3649 15.165 15.277 0.964 11.500 68.8023 10.8768 65.9511 16.319 16.431 107.3551 17.9848 102.3990 15.627 15.739 78.8862 13.5529 75.7849 15.344 15.456 0.975 13.000 62.1868 10.8626 60.2742 16.417 16.529 97.1906 17.8869 94.4438 15.715 15.827 71.7458 13.7521 68.9691 15.446 15.558 0.971 14.500 54.0243 10.8164 50.2677 16.614 16.726 84.9436 17.7042 79.5834 15.901 16.013 62.8795 13.9876 58.5534 15.624 15.736 0.990 16.000 47.4774 10.0241 45.4609 16.723 16.835 74.6885 16.1448 72.1555 16.007 16.119 55.4972 13.2186 53.7387 15.717 15.829 1.006 17.500 41.7152 8.4196 38.9547 16.891 17.002 65.4473 13.8934 60.4045 16.200 16.312 48.5725 11.3390 44.0131 15.934 16.046 0.957 19.000 37.4129 6.7679 35.4319 16.993 17.105 58.8054 11.3235 55.0355 16.301 16.413 43.4286 9.2013 40.5983 16.022 16.134 0.971 20.500 33.8091 5.0901 31.7310 17.113 17.225 53.1459 8.6484 50.0314 16.405 16.517 39.4025 6.9818 36.0130 16.152 16.264 0.961 22.038 29.9987 3.6952 29.3083 17.199 17.311 47.2646 6.2813 45.2742 16.513 16.625 35.4740 5.0180 33.9584 16.216 16.328 0.983 23.690 26.0117 3.1987 25.5904 17.347 17.459 40.9850 5.3014 40.4700 16.635 16.747 30.9361 4.1850 30.5355 16.331 16.443 1.016 25.467 23.4065 3.3535 23.0016 17.463 17.574 36.8516 5.4211 36.0959 16.759 16.871 27.8055 4.6358 27.1095 16.460 16.572 1.003 27.377 20.7979 3.1540 19.9613 17.616 17.728 32.6710 5.1232 31.7744 16.898 17.010 25.0142 4.4527 23.8533 16.599 16.711 1.017 29.430 18.8604 2.7699 18.4024 17.705 17.817 29.6969 4.0648 29.6001 16.975 17.087 22.4648 3.6248 22.0848 16.683 16.795 1.022 31.638 17.0067 2.5134 16.5876 17.817 17.929 26.9100 3.5461 26.3008 17.103 17.215 19.9475 3.0756 19.5308 16.816 16.928 1.001 34.011 14.8214 1.7543 14.7070 17.948 18.060 23.2248 2.6210 23.0917 17.244 17.356 17.4470 1.9216 17.4019 16.942 17.053 1.006 36.561 13.2345 1.3578 13.2651 18.060 18.172 20.8277 2.1796 20.8061 17.358 17.470 15.3055 1.6029 15.2466 17.085 17.197 0.975 39.303 12.1734 1.1872 12.0905 18.161 18.273 18.4710 1.7037 18.3889 17.492 17.604 13.4992 1.6464 13.3312 17.231 17.343 0.930 42.251 10.9688 1.1903 10.8040 18.283 18.395 17.1085 1.9796 17.0719 17.572 17.684 12.2264 1.6493 12.1229 17.334 17.446 0.949 45.420 10.0415 1.3575 10.0404 18.363 18.475 15.8835 2.3538 15.8073 17.656 17.768 11.1665 2.0410 11.0599 17.434 17.546 0.929 48.826 9.3282 1.1371 9.4714 18.426 18.538 14.5165 1.9598 14.7288 17.733 17.845 10.3434 1.6556 10.3490 17.506 17.618 0.920 52.488 8.7419 1.4515 8.8106 18.504 18.616 13.5683 2.4544 13.6884 17.812 17.924 9.5484 1.8078 9.6825 17.578 17.690 0.926 56.425 8.4619 1.5680 8.6882 18.520 18.632 13.0417 2.7914 13.3258 17.841 17.953 9.2917 1.9252 9.2471 17.628 17.740 0.892 60.657 8.2013 1.5890 8.4554 18.549 18.661 12.4016 2.8639 12.8021 17.885 17.997 8.9888 2.1572 9.4100 17.609 17.721 0.940 65.206 7.8257 1.9121 7.8950 18.624 18.736 11.9951 3.2715 12.0110 17.954 18.066 8.6972 2.5864 8.5195 17.717 17.829 0.907 70.097 7.4977 1.8052 7.4406 18.688 18.800 11.3249 3.0488 11.4080 18.010 18.122 8.1534 2.4463 7.9547 17.791 17.903 0.897 75.354 7.0306 1.9696 6.8131 18.784 18.896 10.9337 3.1709 10.5277 18.097 18.209 7.8074 2.5871 7.6078 17.840 17.952 0.944 81.006 6.9498 2.3663 6.4437 18.844 18.956 10.4788 3.6715 9.6638 18.190 18.302 7.6838 2.8748 7.1545 17.907 18.019 0.937 87.081 6.7026 2.0901 6.2633 18.875 18.987 10.2342 3.3013 9.7305 18.183 18.295 7.2330 2.4094 6.8107 17.960 18.072 0.915 93.612 6.1707 1.5269 6.0685 18.909 19.021 9.3651 2.6155 9.0604 18.260 18.372 6.6199 2.1361 6.5130 18.009 18.121 0.900 100.633 5.6899 1.6229 5.3312 19.050 19.162 8.5495 2.5347 8.1339 18.377 18.489 5.9156 2.0236 5.5359 18.185 18.297 0.865 108.180 5.1050 1.6147 4.7532 19.174 19.286 7.6782 2.5324 7.3569 18.486 18.598 5.3680 2.0293 5.0209 18.291 18.403 0.883 116.294 4.6553 1.8912 4.3392 19.273 19.385 7.1855 2.9262 6.8541 18.563 18.675 5.0419 2.3308 4.7300 18.356 18.468 0.917 125.016 4.1600 1.6911 3.8283 19.409 19.521 6.5355 2.6326 6.1706 18.677 18.789 4.4916 2.1581 4.2049 18.484 18.596 0.925 134.392 3.6506 1.5742 3.3984 19.539 19.651 5.6994 2.3033 5.4139 18.819 18.931 3.8428 1.9123 3.4721 18.692 18.804 0.847 144.472 3.1296 1.0993 3.0286 19.664 19.776 4.9497 1.6431 4.9408 18.919 19.031 3.2371 1.4166 3.0248 18.841 18.953 0.823 155.307 2.6237 0.7312 2.6309 19.817 19.929 4.2132 1.1859 4.2656 19.078 19.190 2.6947 1.1298 2.6196 18.997 19.109 0.820 166.955 2.1687 0.7487 2.2299 19.996 20.108 3.5825 1.2026 3.7105 19.230 19.341 2.2751 1.1936 2.1956 19.189 19.301 0.807 179.477 1.6430 0.8167 1.7019 20.290 20.402 2.7609 1.3836 2.9036 19.496 19.608 1.6565 1.1778 1.5892 19.540 19.652 0.750 192.937 1.1591 0.8115 1.1544 20.711 20.823 2.0402 1.3475 2.0915 19.852 19.964 1.1112 1.1594 1.0461 19.994 20.106 0.717 207.408 0.7304 0.7231 0.7056 21.246 21.358 1.4093 1.2781 1.4483 20.251 20.363 0.6959 1.0278 0.6411 20.526 20.638 0.720 222.963 0.4682 0.6469 0.4567 21.718 21.830 0.9600 1.1461 1.0448 20.606 20.718 0.5194 1.0253 0.4598 20.886 20.998 0.832 239.685 0.3328 0.6163 0.3402 22.038 22.150 0.7905 1.0664 0.7826 20.919 21.031 0.3553 0.9691 0.2995 21.352 21.464 0.686 257.662 0.2522 0.5672 0.2356 22.437 22.549 0.5475 1.0264 0.5862 21.233 21.345 0.2405 0.9785 0.2004 21.788 21.900 0.649 276.987 0.1877 0.5472 0.1822 22.716 22.828 0.4352 0.9832 0.4701 21.473 21.585 0.2171 0.9515 0.1806 21.901 22.013 0.815 297.760 0.1401 0.5178 0.1330 23.057 23.169 0.3574 0.9948 0.3674 21.740 21.852 0.1605 0.9700 0.1532 22.080 22.192 0.977 320.093 0.1072 0.5115 0.1065 23.298 23.410 0.2617 0.9674 0.2477 22.168 22.280 0.1012 0.9808 0.1119 22.421 22.533 0.877 344.099 0.0709 0.5331 0.0765 23.658 23.770 0.1623 0.9774 0.1996 22.403 22.515 0.0780 1.0571 0.0901 22.656 22.768 1.002 369.907 0.0555 0.5280 0.0706 23.745 23.857 0.0884 1.0125 0.1295 22.872 22.984 0.0656 1.0554 0.0718 22.903 23.015 0.842