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Tables of transmission and S/N in various filters

        ATRAN TRANSMISSION AND S/N THROUGH VARIOUS MID-IR FILTERS
                   ON MAUNA KEA AND CERRO PACHO
           (S/N est. includes 4% telescope + instrument emissivity)
=====================================================================

                                     MAUNA KEA

                Transmission                    S/N (norm to secz=1,1mm H2O)
        1.0mm   1.6mm   3.0mm   5.0mm   H2O     1.0mm   1.6mm   3.0mm  5.0mm

airmass 
                                        Si-1
1.0     0.64    0.61    0.55    0.51            1.00    0.92    0.78	0.69
1.5     0.57    0.54    0.48    0.43            0.82    0.75    0.63	0.54
2.0     0.52    0.48    0.43    0.38            0.71    0.63    0.54	0.46

                                        Si-2
1.0     0.954   0.947   0.932   0.918           1.00    0.95    0.87	0.81
1.5     0.936   0.926   0.906   0.887           0.89    0.84    0.76	0.70
2.0     0.918   0.906   0.883   0.861           0.81    0.76    0.69	0.63

                                        Si-3
1.0     0.727   0.725   0.721   0.716           1.00    0.99    0.98	0.97
1.5     0.671   0.668   0.662   0.655           0.85    0.84    0.83	0.81
2.0     0.627   0.624   0.616   0.608           0.75    0.74    0.73	0.71

                                        Si-4
1.0     0.927   0.925   0.920   0.914           1.00    0.99    0.96	0.93
1.5     0.905   0.902   0.895   0.887           0.89    0.88    0.85	0.82
2.0     0.887   0.883   0.874   0.863           0.82    0.81    0.78	0.74

                                        Si-5
1.0     0.984   0.980   0.971   0.962           1.00    0.96    0.89	0.83
1.5     0.975   0.970   0.957   0.945           0.92    0.88    0.80	0.74
2.0     0.967   0.960   0.945   0.929           0.86    0.82    0.74	0.67

                                        N'
1.0     0.982   0.979   0.971   0.962           1.00    0.97    0.91	0.84
1.5     0.974   0.968   0.957   0.945           0.93    0.88    0.81	0.75
2.0     0.965   0.958   0.944   0.930           0.86    0.82    0.75	0.69

                                        Si-6
1.0     0.951   0.943   0.928   0.914           1.00    0.95    0.87	0.81
1.5     0.929   0.919   0.900   0.882           0.87    0.83    0.75	0.70
2.0     0.909   0.897   0.874   0.852           0.79    0.74    0.67	0.62

                                        Qa
1.0     0.78    0.73    0.64    0.56            1.00    0.86    0.66	0.53
1.5     0.72    0.66    0.56    0.48            0.83    0.70    0.53	0.42
2.0     0.68    0.61    0.49    0.41            0.74    0.61    0.43	0.34

                                        Qc
1.0     0.76    0.66    0.49    0.36            1.00    0.75    0.46	0.30
1.5     0.67    0.55    0.36    0.23            0.77    0.55    0.30	0.18
2.0     0.60    0.46    0.27    0.09            0.63    0.42    0.21	0.06

    --------------------------------------------------------------------

                                    CERRO PACHON
                Transmission                    S/N (norm to secz=1,2.3mm
H2O)
        2.3mm   4.3mm   7.6mm   10mm    H2O     2.3mm   4.3mm   7.6mm
10mm
                                          
airmass                                 Si-1
1.0     0.52    0.47    0.43    0.39            1.00    0.86    0.76	0.67
1.5     0.45    0.40    0.35    0.31            0.81    0.69    0.58	0.50
2.0     0.40    0.34    0.30    0.28            0.69    0.56    0.48	0.45
                                        
                                        Si-2
1.0     0.929   0.909   0.890   0.870           1.00    0.90    0.82	0.76
1.5     0.901   0.876   0.851   0.826           0.87    0.76    0.70	0.64
2.0     0.877   0.847   0.817   0.786           0.78    0.69    0.62	0.56
                                          
                                        Si-3
1.0     0.759   0.749   0.738   0.727           1.00    0.97    0.94	0.91
1.5     0.709   0.695   0.681   0.667           0.86    0.83    0.79	0.76
2.0     0.669   0.653   0.637   0.619           0.77    0.73    0.70	0.66

                                        Si-4
1.0     0.916   0.908   0.900   0.890           1.00    0.96    0.92	0.88
1.5     0.889   0.879   0.867   0.853           0.88    0.84    0.80	0.76
2.0     0.866   0.853   0.837   0.821           0.80    0.76    0.71	0.67

                                        Si-5
1.0     0.967   0.955   0.941   0.927           1.00    0.92    0.84	0.77
1.5     0.951   0.934   0.916   0.897           0.89    0.80    0.73	0.66
2.0     0.937   0.916   0.893   0.870           0.82    0.73    0.65	0.59

                                        N'
1.0     0.966   0.955   0.943   0.929           1.00    0.92    0.85	0.79
1.5     0.950   0.935   0.918   0.900           0.89    0.81    0.74	0.68
2.0     0.935   0.916   0.895   0.873           0.81    0.73    0.66	0.60
                
                                        Si-6
1.0     0.914   0.895   0.877   0.857           1.00    0.91    0.84	0.78
1.5     0.880   0.855   0.832   0.807           0.85    0.77    0.71	0.65
2.0     0.848   0.820   0.793   0.763           0.75    0.68    0.62	0.56

                                        Qa
1.0     0.62    0.53    0.45    0.38            1.00    0.78    0.61	0.49
1.5     0.54    0.44    0.36    0.28            0.80    0.59    0.46	0.34
2.0     0.48    0.37    0.29    0.22            0.67    0.47    0.35	0.25


                                        Qbroad
1.0     0.40    0.29    0.23    0.17            1.00    0.67    0.51	0.36
1.5     0.31    0.22    0.16    0.11            0.85    0.49    0.34	0.23
2.0     0.26    0.17    0.115   0.08            0.59    0.36    0.24	0.16

                                        Qb
1.0     0.25    0.15    0.10    0.06            1.00    0.56    0.37	0.22
1.5     0.17    0.09    0.05    0.02            0.65    0.33    0.18	0.07
2.0     0.13    0.06    0.03    0.01            0.48    0.22    0.11	0.04