Table 2.
Polarization properties of the diffuse radio emission in the cluster MACS J0717.5+3745.
| Source | VLA |
Depolarization fraction | ||||||
|---|---|---|---|---|---|---|---|---|
| C-band | S-band | L-band | (DP) | |||||
| ⟨p5.5 GHz⟩ | ⟨p3.0 GHz⟩ | ⟨p1.5 GHz⟩ | ||||||
| 2″ | 5″ | 2″ | 5″ | 2″ | 5″ | 2″ | 5″ | |
| % | % | % | % | % | % | |||
| R1 | 21 ± 2 | 15 ± 2 | 12 ± 2 | 9 ± 1 | 3 ± 1 | 2 ± 1 | 0.23 | 0.12 |
| R2 | 21 ± 2 | 17 ± 2 | 20 ± 2 | 16 ± 2 | 9 ± 1 | 7 ± 2 | 0.54 | 0.45 |
| R3 | 28 ± 3 | 20 ± 2 | 28 ± 2 | 20 ± 2 | 16 ± 2 | 11 ± 1 | 0.70 | 0.60 |
| R4 | 15 ± 1 | 10 ± 1 | 14 ± 1 | 9 ± 1 | 9 ± 1 | 6 ± 1 | 0.78 | 0.76 |
| F1 | − | 30 ± 2 | − | 26 ± 2 | − | 13 ± 1 | – | – |
| F2 | − | 24 ± 2 | − | 22 ± 2 | − | 14 ± 1 | – | – |
Notes. The fractional polarizations and DP are average values measured from 2″ resolution L-, S-, and C-band fractional polarization and depolarization maps. The regions where the fractional polarization and depolarization were extracted are indicated in the left panel of Fig. 4.
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