Transmission curves of UKIRT (IRCAM) JHK filters at
77K, with and without atmospheric transmission effects of a 1.2mm H2O column.
Fundamental List
Extended List
Combined ListBack
The J Filter:
lambda T T+H2O 1.05 0.000 0.000 1.06 0.000 0.000 1.07 0.011 0.011 1.08 0.015 0.015 1.09 0.028 0.028 1.10 0.045 0.044 1.11 0.088 0.085 1.12 0.174 0.139 1.13 0.334 0.283 1.14 0.511 0.464 1.15 0.608 0.529 1.16 0.661 0.634 1.17 0.705 0.698 1.18 0.745 0.736 1.19 0.759 0.751 1.20 0.743 0.735 1.21 0.727 0.720 1.22 0.743 0.739 1.23 0.765 0.765 1.24 0.787 0.787 1.25 0.784 0.784 1.26 0.776 0.768 1.27 0.768 0.733 1.28 0.770 0.767 1.29 0.795 0.792 1.30 0.809 0.800 1.31 0.804 0.775 1.32 0.802 0.750 1.33 0.805 0.722 1.34 0.818 0.741 1.35 0.832 0.568 1.36 0.829 0.222 1.37 0.818 0.265 1.38 0.811 0.294 1.39 0.813 0.498 1.40 0.768 0.290 1.41 0.602 0.334 1.42 0.320 0.199 1.43 0.124 0.095 1.44 0.054 0.041 1.45 0.022 0.016 1.46 0.014 0.012 1.47 0.001 0.001 1.48 0.002 0.002 1.49 0.001 0.001 1.50 0.000 0.000
The H Filter:
lambda T T+H2O 1.42 0.002 0.001 1.43 0.000 0.000 1.44 0.001 0.001 1.45 0.005 0.004 1.46 0.009 0.008 1.47 0.012 0.009 1.48 0.022 0.018 1.49 0.039 0.037 1.50 0.059 0.060 1.51 0.100 0.098 1.52 0.176 0.175 1.53 0.298 0.298 1.54 0.476 0.474 1.55 0.630 0.630 1.56 0.713 0.713 1.57 0.750 0.735 1.58 0.766 0.749 1.59 0.780 0.780 1.60 0.811 0.797 1.61 0.830 0.809 1.62 0.842 0.842 1.63 0.838 0.838 1.64 0.832 0.829 1.65 0.830 0.825 1.66 0.830 0.829 1.67 0.821 0.821 1.68 0.831 0.830 1.69 0.844 0.842 1.70 0.843 0.842 1.71 0.848 0.846 1.72 0.851 0.848 1.73 0.850 0.847 1.74 0.849 0.839 1.75 0.838 0.832 1.76 0.846 0.838 1.77 0.838 0.821 1.78 0.826 0.786 1.79 0.774 0.737 1.80 0.629 0.483 1.81 0.413 0.309 1.82 0.206 0.099 1.83 0.097 0.040 1.84 0.053 0.014 1.85 0.022 0.008 1.86 0.009 0.002 1.87 0.001 0.000
The K Filter:
lambda T T+H2O 1.86 0.000 0.000 1.88 0.002 0.000 1.90 0.005 0.001 1.92 0.016 0.006 1.94 0.059 0.037 1.96 0.152 0.107 1.98 0.276 0.253 2.00 0.420 0.265 2.02 0.552 0.405 2.04 0.622 0.599 2.06 0.636 0.556 2.08 0.651 0.641 2.10 0.682 0.675 2.12 0.713 0.708 2.14 0.723 0.723 2.16 0.707 0.705 2.18 0.686 0.685 2.20 0.683 0.680 2.22 0.702 0.702 2.24 0.737 0.737 2.26 0.771 0.767 2.28 0.777 0.776 2.30 0.754 0.754 2.32 0.737 0.735 2.34 0.739 0.732 2.36 0.733 0.710 2.38 0.654 0.641 2.40 0.470 0.458 2.42 0.268 0.243 2.44 0.128 0.128 2.46 0.055 0.054 2.48 0.023 0.019 2.50 0.010 0.009 2.52 0.004 0.003 2.54 0.001 0.000 2.56 0.000 0.000