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Table 1.
Properties of the various PRIMAger filters used in our analysis.
| Band | Central | Filter | Beam | With |
|---|---|---|---|---|
| name | wavelength | width | FWHM | polarization? |
| [μm] | [μm] | [″] | ||
| PHI1_1 | 25.0 | 2.5 | 4.1 | No |
| PHI1_2 | 27.8 | 2.8 | 4.3 | No |
| PHI1_3 | 30.9 | 3.1 | 4.6 | No |
| PHI1_4 | 34.3 | 3.4 | 4.9 | No |
| PHI1_5 | 38.1 | 3.8 | 5.2 | No |
| PHI1_6 | 42.6 | 4.3 | 5.7 | No |
| PHI2_1 | 47.4 | 4.7 | 6.2 | No |
| PHI2_2 | 52.3 | 5.2 | 6.7 | No |
| PHI2_3 | 58.1 | 5.8 | 7.3 | No |
| PHI2_4 | 64.5 | 6.5 | 8.0 | No |
| PHI2_5 | 71.7 | 7.2 | 8.8 | No |
| PHI2_6 | 79.7 | 8.0 | 9.7 | No |
| PPI1 | 96.3 | 23.0 | 11.6 | Yes |
| PPI2 | 126 | 31.0 | 15.0 | Yes |
| PPI3 | 172 | 43.0 | 20.3 | Yes |
| PPI4 | 235 | 61.0 | 27.6 | Yes |
Notes. As is explained in Sect. 2.2, the PHI1 and PHI2 bands are linear-variable filters and are represented in our analysis by 6 representative sub-filters (e.g., PHI1_X for the Xth representative filter of band PHI1).
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