\ 2MASS LGA, T. Jarrett \ Radial Surface Brightness: ngc4631 \ Axis Ratio & Position Angle: 0.26 83.5 \ 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 | 2.500 24.0814 2.2149 24.8256 17.502 18.948 38.4873 4.0305 40.1271 16.355 17.801 47.6791 3.7479 49.9307 15.844 17.290 1.658 4.000 21.5255 2.7322 22.3026 17.619 19.065 36.1922 2.9235 36.9511 16.445 17.891 45.9937 3.5995 45.0960 15.954 17.400 1.665 5.500 22.7948 4.7359 21.3916 17.664 19.110 37.1269 7.6089 34.7368 16.512 17.958 46.8152 9.0474 43.6428 15.990 17.436 1.674 7.000 21.6278 3.0530 20.9514 17.687 19.133 35.6800 5.7597 34.4178 16.522 17.968 46.1559 8.8161 44.1635 15.977 17.423 1.710 8.500 19.4125 3.7586 19.1083 17.787 19.233 32.1423 5.9589 30.8912 16.639 18.085 40.6535 9.3670 37.9669 16.141 17.587 1.646 10.000 23.3518 5.9557 20.9491 17.687 19.133 37.3392 10.3457 33.1247 16.564 18.010 47.7392 14.4354 41.0061 16.057 17.503 1.630 11.500 21.7630 5.8142 19.3471 17.773 19.219 35.2466 10.1719 31.8760 16.605 18.051 43.9762 15.2041 37.9374 16.142 17.588 1.631 13.000 25.9829 7.6244 25.7773 17.462 18.908 40.8530 12.7829 37.6686 16.424 17.870 52.5197 18.2866 49.5374 15.852 17.298 1.610 14.500 24.7724 8.1148 20.1712 17.728 19.174 38.3888 14.5891 32.4144 16.587 18.033 47.3216 21.2775 40.7014 16.065 17.511 1.663 16.000 25.6106 9.5696 22.7704 17.596 19.042 40.3061 17.0555 33.6560 16.546 17.992 50.4534 24.3442 40.7315 16.065 17.511 1.531 17.500 28.0446 9.9417 24.5685 17.514 18.960 41.7052 18.8118 34.5727 16.517 17.963 51.8803 27.5698 39.8824 16.088 17.534 1.426 19.000 26.1422 11.7362 23.8017 17.548 18.994 38.3916 20.3206 32.7967 16.574 18.020 46.6779 28.0122 37.6319 16.151 17.597 1.397 20.500 26.9914 8.8701 24.1214 17.534 18.980 39.8887 16.4171 34.5954 16.516 17.962 49.2405 23.6967 39.9230 16.086 17.532 1.448 22.038 26.8899 12.3634 22.8487 17.593 19.039 38.8808 20.4798 31.1719 16.630 18.076 46.9330 28.2982 37.5790 16.152 17.598 1.441 23.690 27.7475 11.0846 24.8442 17.502 18.948 40.6836 18.8427 34.1528 16.530 17.976 50.3009 26.5029 39.4481 16.099 17.545 1.403 25.467 25.8386 11.8091 21.9149 17.638 19.084 36.5711 18.6565 28.4916 16.727 18.173 44.3131 24.6019 32.9101 16.296 17.742 1.342 27.377 27.0297 12.6289 21.4799 17.660 19.106 38.8933 19.3104 31.5687 16.616 18.062 47.8392 24.9823 37.0409 16.168 17.614 1.492 29.430 23.6822 10.9328 19.3343 17.774 19.220 33.1141 15.5066 25.1239 16.864 18.310 40.0694 19.1826 30.1924 16.390 17.836 1.384 31.638 23.7596 10.8396 19.1297 17.785 19.231 33.6000 15.4497 24.8070 16.878 18.324 40.3889 18.1812 32.5158 16.309 17.755 1.476 34.011 23.9709 11.0449 18.5172 17.821 19.267 32.4963 14.5397 26.6486 16.800 18.246 38.4290 16.6347 32.7643 16.301 17.747 1.520 36.561 21.3432 9.1187 17.0701 17.909 19.355 28.2090 11.8815 23.0815 16.956 18.402 33.7922 13.2911 31.7151 16.336 17.782 1.573 39.303 20.4268 7.9909 16.9437 17.917 19.363 26.7136 10.1168 24.1934 16.905 18.351 31.5716 11.2322 31.5926 16.341 17.787 1.576 42.251 20.7821 7.9891 17.9117 17.857 19.303 26.8239 9.7639 25.6672 16.841 18.287 30.5085 10.6086 31.6346 16.339 17.785 1.518 45.420 20.2307 7.8901 18.1411 17.843 19.289 24.9052 9.3022 23.2463 16.948 18.394 28.7047 10.1735 29.0826 16.430 17.876 1.413 48.826 19.5322 7.4072 17.2490 17.898 19.344 23.5189 8.4033 21.9755 17.009 18.455 26.7984 9.0459 26.2462 16.542 17.988 1.356 52.488 17.7847 5.5866 16.7014 17.933 19.379 21.3592 6.2866 20.0582 17.108 18.554 23.8964 7.2149 22.4833 16.710 18.156 1.223 56.425 15.5598 3.8908 14.6084 18.078 19.524 18.3252 4.5466 17.4735 17.258 18.704 20.1517 5.5197 18.8053 16.904 18.350 1.174 60.657 13.9118 3.0476 13.3145 18.179 19.625 15.9944 3.2534 15.7793 17.369 18.815 16.9762 3.4172 16.5128 17.045 18.491 1.134 65.206 12.3142 2.6398 11.8862 18.302 19.748 13.9573 2.7620 13.7699 17.517 18.963 14.3113 2.7759 14.2496 17.205 18.651 1.097 70.097 10.9843 2.2466 10.4038 18.447 19.893 12.2129 2.3796 11.8374 17.681 19.127 12.6925 2.2240 12.6634 17.333 18.779 1.114 75.354 9.8499 1.9461 9.5009 18.545 19.991 10.6232 2.1098 10.4232 17.819 19.265 11.1535 2.3052 11.1454 17.472 18.918 1.073 81.006 8.9779 1.7651 8.8371 18.624 20.070 9.4870 2.0246 9.4656 17.924 19.370 10.0184 2.1544 9.8968 17.601 19.047 1.023 87.081 8.1401 1.8944 8.1312 18.714 20.160 8.5714 2.1290 8.7061 18.014 19.460 8.8682 2.4454 8.9748 17.707 19.153 1.007 93.612 7.1178 1.5165 7.1072 18.860 20.306 7.3407 1.7952 7.3350 18.201 19.646 7.5779 2.0683 7.7067 17.872 19.318 0.988 100.633 6.3346 1.4467 6.3142 18.989 20.435 6.6108 1.6380 6.6952 18.300 19.746 6.5441 1.6538 6.4258 18.070 19.516 0.919 108.180 5.7567 1.4168 5.6867 19.103 20.549 5.9681 1.5848 5.9151 18.434 19.880 5.9674 1.7163 6.0292 18.139 19.585 0.964 116.294 5.3068 1.5070 5.1189 19.217 20.663 5.3564 1.6516 5.3435 18.544 19.990 5.3264 1.7831 5.1865 18.302 19.748 0.915 125.016 4.6119 1.3090 4.6477 19.322 20.768 4.7282 1.4461 4.7298 18.677 20.123 4.5787 1.5147 4.5287 18.450 19.896 0.872 134.392 4.1680 1.2540 3.9886 19.488 20.934 4.1828 1.4749 4.0775 18.838 20.284 4.1641 1.6695 3.9242 18.605 20.051 0.883 144.472 3.6937 1.2709 3.4864 19.634 21.080 3.5279 1.4616 3.4008 19.035 20.481 3.5480 1.5867 3.3629 18.773 20.219 0.861 155.307 3.2954 1.6529 3.0292 19.786 21.232 3.0242 1.8540 2.8251 19.236 20.682 3.1806 1.9908 2.9058 18.931 20.377 0.855 166.955 2.7112 1.2467 2.5511 19.973 21.419 2.4613 1.4847 2.3390 19.441 20.887 2.5752 1.5198 2.4508 19.116 20.562 0.857 179.477 2.1217 1.1499 2.0161 20.228 21.674 1.9886 1.3744 1.9586 19.634 21.080 1.9723 1.5218 1.7926 19.456 20.902 0.772 192.937 1.7254 0.9961 1.6818 20.425 21.871 1.5622 1.2646 1.5085 19.918 21.364 1.6974 1.2608 1.6869 19.522 20.968 0.903 207.408 1.5736 1.0696 1.4505 20.586 22.032 1.3937 1.3175 1.2994 20.080 21.526 1.4555 1.4129 1.3629 19.753 21.199 0.833 222.963 1.2316 0.9779 1.1457 20.842 22.288 1.1149 1.2681 1.1046 20.256 21.702 1.1568 1.2335 1.1396 19.948 21.394 0.894 239.685 1.0638 0.9888 0.9074 21.095 22.541 0.8900 1.3043 0.7680 20.651 22.097 0.9590 1.3290 0.9055 20.197 21.643 0.898 257.662 0.8497 0.8807 0.7622 21.285 22.731 0.6773 1.1909 0.6418 20.846 22.292 0.7213 1.2487 0.6497 20.558 22.004 0.727 276.987 0.7069 0.9003 0.6054 21.535 22.981 0.5684 1.1903 0.5513 21.011 22.457 0.6152 1.1762 0.5956 20.652 22.098 0.883 297.760 0.4800 0.7477 0.4327 21.899 23.345 0.4113 1.1016 0.3893 21.388 22.834 0.4061 1.1148 0.3797 21.141 22.587 0.758 320.093 0.3452 0.7232 0.3286 22.198 23.644 0.2763 1.0414 0.2955 21.688 23.134 0.3001 1.0633 0.2859 21.449 22.895 0.749 344.099 0.2947 0.7263 0.2812 22.367 23.813 0.1686 1.0359 0.1967 22.130 23.576 0.2381 1.0763 0.2517 21.587 23.033 0.780 369.907 0.1798 0.6862 0.1807 22.847 24.293 0.0091 1.0400 0.0260 24.326 25.772 0.1654 1.0510 0.1913 21.885 23.331 0.962 397.650 0.0595 0.6570 0.0685 23.901 25.347 0.0651 1.0207 0.0934 22.938 24.384 0.0186 1.0398 0.0463 23.426 24.872 0.475 427.474 0.0521 0.6510 0.0449 24.360 25.806 0.0000 0.0000 0.0000 0.000 0.000 0.0000 0.0000 0.0000 0.000 0.000 0.000