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Table 2
Thermal dust emissivity derived from the correlation with HI emission in the reference region with |bII| > 20° and 
((Iν/NH)ref).
| ν | (Iν/NH)ref | Offset | ||
| ( GHz) | [MJy/sr/1020Hcm-2] | [MJy/sr] | ||
|
|
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| IRAS | ||||
|
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| 2998 | (6.95 ± 0.94) × 10-1 | (7.36 ± 0.03) × 10-1 | ||
|
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| DIRBE: | ||||
|
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| 2998 | (6.60 ± 0.01) × 10-1 | (7.72 ± 0.22) × 10-1 | ||
| 2141 | 1.16 ± 0.01 | 1.41 ± 0.16 | ||
| 1249 | (8.85 ± 0.04) × 10-1 | (8.46 ± 0.90) × 10-1 | ||
|
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| Planck-HFI: | ||||
|
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| 857 | (5.43 ± 0.38) × 10-1 | (2.57 ± 0.05) × 10-1 | ||
| 545 | (1.82 ± 0.13) × 10-1 | (1.83 ± 0.05) × 10-1 | ||
| 353 | (4.84 ± 0.10) × 10-2 | (9.50 ± 0.24) × 10-2 | ||
| 217 | (1.14 ± 0.03) × 10-2 | (3.45 ± 0.11) × 10-2 | ||
| 143 | (2.92 ± 0.07) × 10-3 | (1.01 ± 0.06) × 10-2 | ||
| 100 | (1.13 ± 0.04) × 10-3 | (3.34 ± 0.60) × 10-3 | ||
|
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| Planck-LFI: | ||||
|
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| 70.3 | (8.74 ± 2.66) × 10-5 | (–6.40 ± 0.93)10-3 | ||
| 44.1 | (1.14 ± 0.16) × 10-4 | (–7.02 ± 0.45)10-3 | ||
| 28.5 | (2.11 ± 0.14) × 10-4 | (–6.95 ± 0.15)10-3 | ||
|
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| WMAP: | ||||
|
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| 93.7 | (–1.05 ± 0.57) × 10-4 | (–1.65 ± 1.02) × 10-3 | ||
| 61.2 | (–1.14 ± 0.27) × 10-4 | (–4.90 ± 3.63) × 10-4 | ||
| 41.1 | (3.52 ± 1.13) × 10-5 | (9.76 ± 1.28) × 10-4 | ||
| 32.9 | (1.39 ± 0.08) × 10-4 | (4.10 ± 0.97) × 10-4 | ||
| 23.1 | (2.69 ± 0.04) × 10-4 | (8.49 ± 0.44) × 10-4 | ||
Notes. Offsets derived from an empty region with 
, assuming the same emissivity (Iν/NH)ref. The uncertainties are given at the 1σ level. The corresponding data are plotted in Fig.2.
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