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Table 3.
Radio halos detected over a large frequency range.
Name | Frequency | Spectral index (a) | Curvature | σ2D(b) | Mass | Reference |
---|---|---|---|---|---|---|
[MHz] | [1014 M⊙] | |||||
Abell 2256 | 23–1500 |
![]() |
No | ≈0.2 | 6.2 ± 0.1 | This work |
Bullet cluster | 1100–3100 |
![]() |
No | – | 13.1 ± 0.29 | Shimwell et al. (2014), Sikhosana et al. (2023) |
Toothbrush cluster | 147–4900 |
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No | < 0.04 | 10.8 ± 0.45 | van Weeren et al. (2012b) |
Abell 2744 | 325–1500 |
![]() |
No | – | 9.8 ± 0.4 | Pearce et al. (2017) |
Abell S1063 | 325–3000 |
![]() |
Yes | – | 11.4 ± 0.34 | Xie et al. (2020) |
Coma cluster | 30–5000 |
![]() |
Yes | – | 7.2 ± 0.1 | Bonafede et al. (2022) |
MACS J0717.5+3745 | 144–1500 |
![]() |
Yes | ≈0.3 | 11.5 ± 0.5 | Rajpurohit et al. (2021a) |
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