\ 2MASS LGA, T. Jarrett \ Radial Surface Brightness: ngc1809 \ Axis Ratio & Position Angle: 0.30 -32.0 \ 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 | 2.500 9.4302 1.6003 9.7198 18.263 19.570 13.4331 0.8998 13.1735 17.547 18.854 11.1734 1.7534 11.5597 17.165 18.473 1.098 4.000 7.6743 1.6457 7.1696 18.593 19.900 11.7557 1.4520 11.2559 17.718 19.025 8.9030 1.9585 9.0007 17.437 18.744 1.156 5.500 7.3010 1.8796 6.8845 18.637 19.944 10.4457 2.0827 10.2855 17.816 19.123 9.0022 1.7826 9.5440 17.373 18.681 1.264 7.000 6.2582 1.7046 6.5745 18.687 19.994 8.9190 2.0765 8.8600 17.978 19.285 7.7928 2.0840 8.5902 17.488 18.795 1.199 8.500 5.8986 1.4947 5.8931 18.806 20.113 8.1927 1.7972 8.0343 18.084 19.391 6.0793 1.8755 5.6052 17.951 19.259 0.855 10.000 5.7885 1.5320 6.2521 18.742 20.049 7.7828 1.8185 7.5195 18.156 19.463 6.1952 1.8558 5.7876 17.917 19.224 0.825 11.500 5.4599 1.4350 5.2065 18.940 20.248 7.3144 1.6054 7.1540 18.210 19.517 5.6964 1.6792 4.9624 18.084 19.391 0.856 13.000 5.1299 1.6417 4.8732 19.012 20.319 7.0017 1.3892 7.1427 18.212 19.519 5.1367 1.7884 5.0985 18.054 19.361 0.958 14.500 4.6878 1.5049 4.3879 19.126 20.433 6.5826 1.7014 6.2010 18.365 19.673 4.8582 1.3135 4.8381 18.111 19.418 1.015 16.000 4.3958 1.2920 4.2355 19.165 20.472 6.0291 1.5498 5.8459 18.429 19.737 4.8288 1.3862 4.8419 18.110 19.417 1.055 17.500 4.2606 1.2973 4.0329 19.218 20.525 5.5022 1.4326 5.2031 18.556 19.863 4.3819 1.4733 4.3637 18.223 19.530 0.995 19.000 4.1715 1.1776 4.0518 19.213 20.520 5.2416 1.6595 4.8440 18.633 19.941 4.4744 1.2090 4.5610 18.175 19.482 1.038 20.500 3.7338 0.9791 3.5806 19.347 20.654 4.9382 1.4409 4.8173 18.639 19.947 4.1294 1.2216 4.0545 18.303 19.610 1.044 22.038 3.4856 1.1832 3.2641 19.447 20.755 4.4559 1.6159 4.3104 18.760 20.067 3.7837 1.2297 3.8004 18.373 19.680 1.074 23.690 3.2528 0.6834 3.2836 19.441 20.748 4.3258 1.2257 4.4030 18.737 20.044 3.5133 1.0725 3.7139 18.398 19.705 1.043 25.467 2.9774 0.9538 2.9059 19.574 20.881 4.1543 1.0824 3.9934 18.843 20.150 3.0822 1.1693 2.8764 18.676 19.983 0.898 27.377 2.8422 1.1771 2.5695 19.707 21.014 3.9205 1.1778 3.5565 18.969 20.276 2.8199 1.1928 2.8382 18.690 19.997 1.017 29.430 2.6591 1.1058 2.5248 19.726 21.033 3.6877 1.3742 3.4424 19.004 20.312 2.9031 1.1182 2.6894 18.749 20.056 0.977 31.638 2.5276 0.9978 2.3244 19.816 21.123 3.5699 1.1524 3.6835 18.931 20.238 3.0036 0.9554 2.9915 18.633 19.940 1.183 34.011 2.5889 0.8689 2.4186 19.773 21.080 3.4736 0.9969 3.5490 18.971 20.278 2.8373 0.9996 2.9753 18.639 19.946 1.134 36.561 2.4297 0.9731 2.2358 19.858 21.165 3.3786 1.1555 3.1968 19.085 20.392 2.6104 1.0809 2.6684 18.757 20.064 1.101 39.303 2.1909 0.9408 2.1035 19.924 21.232 3.0860 1.1628 3.0124 19.149 20.456 2.2851 1.0612 2.4128 18.866 20.174 1.058 42.251 1.7563 0.7510 1.6813 20.168 21.475 2.3845 0.9999 2.2772 19.453 20.760 1.9543 1.0147 1.8597 19.149 20.456 1.019 45.420 1.7200 0.8098 1.6380 20.196 21.503 2.0375 1.0381 1.9975 19.595 20.902 1.8589 0.9417 1.8040 19.182 20.489 1.014 48.826 1.4541 0.8572 1.3755 20.386 21.693 2.0210 1.0305 2.0752 19.554 20.861 1.5272 0.9295 1.5300 19.361 20.668 1.025 52.488 1.5409 0.9192 1.3844 20.379 21.686 1.8924 1.0473 1.8873 19.657 20.964 1.3904 1.0673 1.4801 19.397 20.704 0.982 56.425 1.5630 0.8659 1.4461 20.331 21.639 1.7953 1.2936 1.7092 19.765 21.072 1.5900 1.2590 1.6942 19.250 20.558 1.081 60.657 1.3287 0.9062 1.3099 20.439 21.746 1.7183 1.3306 1.6280 19.817 21.125 1.3762 1.2304 1.2756 19.559 20.866 0.880 65.206 1.1236 0.9339 1.0365 20.693 22.000 1.5368 1.3027 1.4835 19.918 21.225 1.1521 1.1370 1.0859 19.733 21.041 0.960 70.097 1.0107 0.9526 0.9267 20.814 22.122 1.3902 1.2840 1.2550 20.100 21.407 1.2138 1.2251 1.1445 19.676 20.983 1.138 75.354 1.0419 0.9978 0.9028 20.843 22.150 1.4106 1.4558 1.2335 20.119 21.426 0.9992 1.1866 0.9338 19.897 21.204 0.946 81.006 0.7874 0.7637 0.7420 21.056 22.363 0.9133 1.1673 0.8454 20.529 21.836 0.7101 1.0726 0.7687 20.108 21.416 0.948 87.081 0.7440 0.9325 0.6449 21.208 22.515 0.8961 1.2333 0.8362 20.541 21.848 0.7271 1.1607 0.6590 20.276 21.583 0.932 93.612 0.5013 0.8064 0.4167 21.682 22.989 0.6467 1.2171 0.6279 20.852 22.159 0.5078 1.1880 0.4634 20.658 21.965 1.024 100.633 0.4683 0.9601 0.3364 21.915 23.222 0.6026 1.3549 0.5495 20.997 22.304 0.4611 1.2728 0.4605 20.665 21.972 1.250 108.180 0.4292 0.8232 0.3750 21.797 23.104 0.2302 1.1791 0.1256 22.599 23.906 0.3018 1.1103 0.2483 21.335 22.643 0.462 116.294 0.3204 0.8938 0.2246 22.353 23.661 0.2732 1.1642 0.2498 21.852 23.160 0.2842 1.2293 0.2139 21.497 22.804 0.856 125.016 0.1549 0.8292 0.0890 23.359 24.666 0.0711 1.1716 0.0540 23.516 24.824 0.1045 1.1441 0.1108 22.212 23.519 1.147 134.392 0.2562 0.8954 0.1499 22.792 24.099 0.3131 1.3844 0.1711 22.263 23.571 0.2187 1.2985 0.1212 22.114 23.421 0.678 144.472 0.1571 0.8311 0.0889 23.360 24.667 0.2241 1.1635 0.1425 22.462 23.770 0.1573 1.2299 0.0959 22.368 23.675 0.992 155.307 0.1657 1.0880 0.0544 23.893 25.200 0.2605 1.5302 0.1152 22.692 24.000 0.1691 1.3592 0.0611 22.858 24.165 1.035