\ 2MASS LGA, T. Jarrett \ Radial Surface Brightness: ngc4490 \ Axis Ratio & Position Angle: 0.52 -62.5 \ 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 | 1.000 37.0901 0.7122 36.7509 17.064 17.780 37.5582 0.5658 37.3653 16.428 17.145 35.4403 1.4408 34.8557 16.237 16.953 0.827 2.500 36.3047 0.9670 36.0566 17.084 17.801 36.0682 0.7425 36.3604 16.458 17.174 35.1408 2.2873 35.4090 16.220 16.936 0.864 4.000 35.1408 2.0065 34.6165 17.128 17.845 34.2979 1.6977 33.6176 16.543 17.259 33.4183 2.4387 32.8357 16.302 17.018 0.826 5.500 34.1587 2.8945 33.4723 17.165 17.881 33.4585 3.0881 32.1003 16.593 17.310 32.1616 3.2205 31.0413 16.363 17.079 0.802 7.000 31.2178 3.1422 30.6968 17.259 17.975 30.7451 3.4231 29.9102 16.670 17.386 29.5076 3.0765 28.7344 16.447 17.163 0.812 8.500 28.9394 3.1063 28.4892 17.340 18.056 28.4295 3.3394 27.7741 16.751 17.467 27.4111 3.1900 26.9354 16.517 17.233 0.823 10.000 26.8772 3.1740 26.6661 17.412 18.128 26.6867 3.2476 26.1871 16.814 17.531 25.6174 3.4181 25.3848 16.581 17.298 0.831 11.500 25.1562 3.4536 25.1356 17.476 18.192 25.3039 3.2655 24.4503 16.889 17.605 23.9971 3.7148 23.5356 16.663 17.380 0.813 13.000 23.4545 3.3691 23.8788 17.532 18.248 23.4785 2.9843 23.0898 16.951 17.667 22.3860 3.2943 22.2706 16.723 17.440 0.809 14.500 22.4302 3.3921 23.0058 17.572 18.288 22.0743 3.0218 21.7175 17.018 17.734 21.3852 3.2037 21.2168 16.776 17.492 0.796 16.000 21.0253 2.9254 20.8584 17.678 18.395 20.7478 2.7533 20.1938 17.097 17.813 20.2179 2.9600 20.3615 16.821 17.537 0.857 17.500 20.5360 2.9772 20.6341 17.690 18.407 20.1201 2.7564 19.5973 17.129 17.845 19.6864 2.8748 20.0680 16.837 17.553 0.853 19.000 19.7123 2.9920 19.9103 17.729 18.445 19.1774 2.7234 18.9567 17.165 17.881 18.7994 2.3702 19.0118 16.895 17.612 0.834 20.500 18.8742 3.0812 18.8516 17.788 18.505 18.7288 2.8097 18.6832 17.181 17.897 18.4229 2.3195 18.4143 16.930 17.646 0.858 22.038 17.7894 3.0488 17.0822 17.895 18.612 17.8647 2.9218 17.5412 17.249 17.966 17.9027 2.9128 17.7261 16.971 17.688 0.924 23.690 16.7591 3.2344 16.2058 17.953 18.669 16.9467 3.2923 16.1523 17.339 18.055 17.4578 3.9078 16.4051 17.055 17.772 0.898 25.467 16.1695 3.6709 15.4528 18.004 18.720 16.5246 4.2980 15.1552 17.408 18.124 16.9165 5.1132 15.3973 17.124 17.840 0.880 27.377 15.4507 3.6662 14.4340 18.078 18.795 16.0448 4.7242 14.7527 17.437 18.154 16.1278 5.6482 14.1042 17.219 17.936 0.859 29.430 14.0656 3.0120 13.2703 18.169 18.886 14.5988 4.1818 13.4398 17.539 18.255 14.5945 4.9697 13.0541 17.303 18.020 0.866 31.638 12.9683 2.8215 12.3073 18.251 18.968 13.2412 3.6618 12.2196 17.642 18.358 13.1713 4.4117 11.9452 17.400 18.116 0.851 34.011 11.8451 2.2556 11.3520 18.339 19.055 12.0054 2.8909 11.0868 17.748 18.464 11.9834 3.4480 11.0265 17.487 18.203 0.852 36.561 10.9905 2.3800 10.3738 18.437 19.153 11.1617 2.8638 10.3061 17.827 18.543 11.4838 3.4072 10.5012 17.540 18.256 0.897 39.303 9.9123 2.0128 9.3693 18.547 19.264 10.0930 2.5363 9.3396 17.934 18.650 10.0975 2.9638 9.2801 17.674 18.390 0.873 42.251 9.0334 1.6188 8.6953 18.628 19.345 8.9117 1.9692 8.6413 18.018 18.734 9.1248 2.3750 8.8633 17.724 18.440 0.904 45.420 7.9920 1.1463 7.8802 18.735 19.452 7.8105 1.3375 7.7573 18.135 18.852 7.8692 1.5910 7.7696 17.867 18.583 0.868 48.826 7.0847 1.1206 6.9581 18.870 19.587 7.0139 1.2354 7.0088 18.245 18.962 6.8746 1.5147 6.7627 18.017 18.734 0.853 52.488 6.5731 1.2747 6.5056 18.943 19.660 6.1372 1.3376 6.1829 18.382 19.098 6.4370 1.4998 6.4175 18.074 18.791 0.869 56.425 6.0089 1.2813 5.8932 19.051 19.767 5.7208 1.5824 5.4731 18.514 19.230 5.8888 1.7067 5.6715 18.209 18.925 0.842 60.657 5.3262 1.4547 5.1816 19.191 19.907 5.2011 1.5066 5.0764 18.596 19.312 5.2970 1.7602 5.2463 18.293 19.009 0.898 65.206 4.8467 1.3885 4.6326 19.312 20.028 4.7225 1.5300 4.4874 18.730 19.446 4.9341 1.5543 4.7549 18.400 19.116 0.912 70.097 4.5236 1.5826 4.2679 19.401 20.117 4.3701 1.7539 4.0326 18.846 19.562 4.3700 1.8763 4.0085 18.585 19.302 0.816 75.354 3.8580 1.3572 3.7431 19.544 20.260 3.6884 1.3635 3.6514 18.953 19.670 3.6184 1.7125 3.4761 18.740 19.456 0.804 81.006 3.3144 1.3399 3.2248 19.705 20.422 3.1063 1.3216 2.9599 19.181 19.898 3.1651 1.6132 3.0051 18.898 19.614 0.807 87.081 2.8900 1.1678 2.8584 19.836 20.553 2.6486 1.3082 2.6453 19.303 20.020 2.7475 1.4306 2.6758 19.024 19.740 0.812 93.612 2.4130 1.1480 2.3364 20.055 20.772 2.2084 1.2756 2.1653 19.521 20.237 2.1775 1.4610 2.0363 19.321 20.037 0.734 100.633 1.9493 0.9636 1.8899 20.286 21.002 1.7971 1.0264 1.8347 19.701 20.417 1.8093 1.1921 1.7828 19.465 20.181 0.821 108.180 1.6466 0.9296 1.5628 20.492 21.208 1.4751 1.0361 1.4190 19.980 20.696 1.5354 1.3903 1.4709 19.674 20.390 0.818 116.294 1.2563 1.0222 1.1415 20.833 21.549 1.1066 1.0369 1.0169 20.341 21.058 1.2456 1.2901 1.1762 19.917 20.633 0.916 125.016 0.8919 0.6977 0.8658 21.133 21.849 0.7278 0.8408 0.6993 20.748 21.464 0.8995 1.1002 0.9011 20.206 20.922 0.927 134.392 0.6354 0.6148 0.6175 21.500 22.216 0.4741 0.7892 0.4635 21.195 21.911 0.6001 1.0109 0.6038 20.641 21.357 0.859 144.472 0.5007 0.5533 0.4748 21.785 22.502 0.3784 0.7878 0.3658 21.452 22.168 0.4463 1.0114 0.4342 20.999 21.715 0.786 155.307 0.3358 0.5956 0.3459 22.129 22.846 0.2958 0.7748 0.2857 21.720 22.436 0.3153 1.0271 0.3081 21.371 22.087 0.758 166.955 0.2410 0.5739 0.2291 22.576 23.293 0.2351 0.7657 0.2389 21.914 22.630 0.2423 1.0340 0.2414 21.636 22.352 0.940 179.477 0.1438 0.5715 0.1369 23.135 23.852 0.1217 0.7622 0.1107 22.750 23.466 0.1599 1.0298 0.1711 22.010 22.726 1.125 192.937 0.1166 0.5637 0.1085 23.388 24.104 0.0857 0.7572 0.0823 23.071 23.787 0.1432 1.0103 0.1379 22.244 22.960 1.144 207.408 0.0442 0.5544 0.0349 24.618 25.335 0.0243 0.7625 0.0330 24.064 24.780 0.0865 0.9896 0.0622 23.109 23.825 1.509 222.963 0.0247 0.6694 0.0107 25.907 26.623 0.0000 0.0000 0.0000 0.000 0.000 0.0826 1.0028 0.0737 22.923 23.640 2.984