IRAS Explanatory Supplement
VI. Flux Reconstruction and Calibration
C. Absolute Calibration
Table Suppl.VI.C.6 - Color Correction Factors, K¹
Chapter Contents | Introduction | Authors | References
Table of Contents | Index | Section VI.C.2
Intrinsic Power Law2 | Ratio of Flux Densities Before Color-Correction | ||
---|---|---|---|
fv(12 µm)/fv(25 µm) | fv(25 µm)/fv(60 µm) | fv(60 µm)/fv(100 µm) | |
-3.0 | 0.113 | 0.063 | 0.21 |
-2.5 | 0.162 | 0.102 | 0.275 |
-2.0 | 0.232 | 0.164 | 0.355 |
-1.5 | 0.333 | 0.262 | 0.460 |
-1.0 | 0.480 | 0.417 | 0.600 |
-0.5 | 0.694 | 0.662 | 0.786 |
0.0 | 1.005 | 1.045 | 1.037 |
0.5 | 1.459 | 1.642 | 1.378 |
1.0 | 2.123 | 2.567 | 1.843 |
1.5 | 3.094 | 3.992 | 2.484 |
2.0 | 4.519 | 6.170 | 3.373 |
2.5 | 6.610 | 9.480 | 4.617 |
3.0 | 9.681 | 14.475 | 6.370 |
Correction Factor | ||||
---|---|---|---|---|
K(12 µm) | K(25 µm) | K(60 µm) | K(100 µm) | |
-3.0 | 0.91 | 0.89 | 1.02 | 1.02 |
-2.5 | 0.92 | 0.91 | 1.00 | 1.01 |
-2.0 | 0.94 | 0.93 | 0.99 | 1.00 |
-1.5 | 0.97 | 0.96 | 0.99 | 1.00 |
-1.0 | 1.00 | 1.00 | 1.00 | 1.00 |
-0.5 | 1.04 | 1.04 | 1.02 | 1.00 |
0.0 | 1.10 | 1.10 | 1.05 | 1.01 |
0.5 | 1.17 | 1.16 | 1.09 | 1.02 |
1.0 | 1.25 | 1.23 | 1.15 | 1.04 |
1.5 | 1.35 | 1.32 | 1.23 | 1.06 |
2.0 | 1.47 | 1.41 | 1.32 | 1.09 |
2.5 | 1.61 | 1.53 | 1.44 | 1.12 |
3.0 | 1.78 | 1.67 | 1.59 | 1.16 |
Intrinsic temp (K) |
Ratio of Flux Densities Before Color-Correction | ||
---|---|---|---|
fv(12 µm)/fv(25 µm) | fv(25 µm)/fv(60 µm) | fv(60 µm)/fv(100 µm) | |
10000 | 4.345 | 6.050 | 3.350 |
5000 | 4.172 | 5.931 | 3.327 |
4000 | 4.086 | 5.872 | 3.316 |
3000 | 3.944 | 5.773 | 3.297 |
2000 | 3.666 | 5.578 | 3.259 |
1000 | 2.891 | 5.005 | 3.145 |
800 | 2.545 | 4.730 | 3.088 |
600 | 2.036 | 4.287 | 2.995 |
500 | 1.692 | 3.950 | 2.920 |
400 | 1.272 | 3.478 | 2.810 |
300 | 0.785 | 2.780 | 2.630 |
290 | 0.734 | 2.693 | 2.606 |
280 | 0.684 | 2.602 | 2.580 |
270 | 0.633 | 2.506 | 2.553 |
260 | 0.583 | 2.407 | 2.523 |
250 | 0.534 | 2.304 | 2.491 |
240 | 0.486 | 2.196 | 2.457 |
230 | 0.438 | 2.084 | 2.420 |
220 | 0.392 | 1.967 | 2.381 |
210 | 0.347 | 1.845 | 2.338 |
200 | 0.304 | 1.719 | 2.291 |
190 | 0.263 | 1.589 | 2.240 |
180 | 0.224 | 1.455 | 2.184 |
170 | 0.188 | 1.317 | 2.124 |
160 | 0.154 | 1.176 | 2.057 |
150 | 0.124 | 1.034 | 1.983 |
140 | 0.097 | 0.082 | 1.901 |
130 | 0.073 | 0.751 | 1.810 |
120 | 0.053 | 0.614 | 1.709 |
110 | 0.036 | 0.484 | 1.595 |
100 | 0.023 | 0.363 | 1.468 |
95 | 0.018 | 0.307 | 1.400 |
90 | 0.014 | 0.256 | 1.326 |
85 | 0.010 | 0.208 | 1.249 |
80 | 0.007 | 0.165 | 1.168 |
75 | 0.005 | 0.127 | 1.082 |
70 | 0.003 | 0.095 | 0.993 |
65 | 0.002 | 0.067 | 0.898 |
60 | 0.001 | 0.045 | 0.801 |
55 | --- | 0.028 | 0.700 |
50 | --- | 0.016 | 0.597 |
45 | --- | 0.008 | 0.493 |
40 | --- | 0.003 | 0.391 |
Correction Factor | ||||
---|---|---|---|---|
temp (K) | K(12 µm) | K(25 µm) | K(60 µm) | K(100 µm) |
10000 | 1.45 | 1.41 | 1.32 | 1.09 |
5000 | 1.43 | 1.40 | 1.32 | 1.09 |
4000 | 1.42 | 1.40 | 1.31 | 1.09 |
3000 | 1.41 | 1.39 | 1.31 | 1.09 |
2000 | 1.38 | 1.38 | 1.31 | 1.09 |
1000 | 1.27 | 1.34 | 1.29 | 1.08 |
800 | 1.22 | 1.32 | 1.28 | 1.08 |
600 | 1.15 | 1.29 | 1.27 | 1.08 |
500 | 1.09 | 1.26 | 1.26 | 1.08 |
400 | 1.01 | 1.22 | 1.24 | 1.08 |
300 | 0.92 | 1.15 | 1.21 | 1.07 |
290 | 0.91 | 1.15 | 1.21 | 1.07 |
280 | 0.90 | 1.14 | 1.20 | 1.07 |
270 | 0.89 | 1.13 | 1.20 | 1.07 |
260 | 0.88 | 1.12 | 1.19 | 1.07 |
250 | 0.87 | 1.11 | 1.19 | 1.07 |
240 | 0.86 | 1.09 | 1.18 | 1.07 |
230 | 0.85 | 1.08 | 1.18 | 1.07 |
220 | 0.85 | 1.07 | 1.17 | 1.07 |
210 | 0.84 | 1.06 | 1.16 | 1.06 |
200 | 0.83 | 1.04 | 1.16 | 1.06 |
190 | 0.83 | 1.02 | 1.15 | 1.06 |
180 | 0.83 | 1.01 | 1.14 | 1.06 |
170 | 0.83 | 0.99 | 1.13 | 1.06 |
160 | 0.84 | 0.97 | 1.12 | 1.06 |
150 | 0.85 | 0.95 | 1.11 | 1.05 |
140 | 0.87 | 0.93 | 1.09 | 1.05 |
130 | 0.90 | 0.91 | 1.08 | 1.05 |
120 | 0.94 | 0.89 | 1.06 | 1.04 |
110 | 1.01 | 0.86 | 1.04 | 1.04 |
100 | 1.12 | 0.84 | 1.02 | 1.04 |
95 | 1.19 | 0.83 | 1.01 | 1.03 |
90 | 1.28 | 0.83 | 1.00 | 1.03 |
85 | 1.39 | 0.82 | 0.99 | 1.03 |
80 | 1.54 | 0.81 | 0.97 | 1.02 |
75 | 1.74 | 0.81 | 0.96 | 1.02 |
70 | 2.01 | 0.81 | 0.95 | 1.01 |
65 | 2.40 | 0.82 | 0.94 | 1.01 |
60 | 2.97 | 0.83 | 0.93 | 1.00 |
55 | 3.86 | 0.86 | 0.92 | 1.00 |
50 | 5.35 | 0.90 | 0.91 | 0.99 |
45 | 8.09 | 0.97 | 0.92 | 0.98 |
40 | 13.79 | 1.08 | 0.93 | 0.98 |
spectral response given in Table Suppl.II.C.5.
Chapter Contents | Introduction | Authors | References
Table of Contents | Index | Section VI.C.2