Table 4.
Compilation of double radio relic galaxy clusters.
| Clusterrelic | z | ⟨p⟩1.4 GHz | max. p1.4 GHz | RRM(1 + z)2 | σRM(1 + z)2 | Obs. Beam | Physical resolution | d | References |
|---|---|---|---|---|---|---|---|---|---|
| [%] | [%] | [ rad m−2] | [ rad m−2] | [kpc] | [Mpc] | ||||
| 8C 0212+703E (ClG 0217+70) (a) | 0.180 | < 22 | – | – | – | 29″ × 29″ | 89 | 2.5 | tw |
| 8C 0212+703W (ClG 0217+70) | 0.180 | 12 ± 2 | 23 | -10 | 14 | 33″ × 33″ | 101 | 2.4 | tw |
| Abell 1240N | 0.195 | 26 | 70 | – | – | 18″ × 18″ | 59 | 0.7 | Bo09 |
| Abell 1240S | 0.195 | 29 | 70 | – | – | 18″ × 18″ | 59 | 1.1 | Bo09 |
| Abell 2146N | 0.232 | – | – | – | – | – | – | 0.45 | |
| Abell 2146S | 0.232 | – | – | – | – | – | – | 0.2 | |
| Abell 2345E | 0.176 | 18 ± 1 | 70 | -0.3 | 8 | 30.5″ × 30.5″ | 92 | 0.9 | S21 |
| Abell 2345W | 0.176 | 12.6 ± 0.9 | 70 | -7 | 18 | 30.5″ × 30.5″ | 92 | 1.0 | S21 |
| Abell 3186NW (MCXC J0352.4-7401) | 0.127 | – | – | – | – | – | – | 1.5 | |
| Abell 3186SE (MCXC J0352.4-7401) | 0.127 | – | – | – | – | – | – | 1.2 | |
| Abell 3365E | 0.093 | 9.0 ± 0.8 | 18 | -13 | 13 | 30″ × 30″ | 52 | 1.0 | tw |
| Abell 3365W | 0.093 | < 8 | – | – | – | 31″ × 31″ | 54 | 1.0 | tw |
| Abell 3376E | 0.046 | – | 30 | – | – | 37″ × 25″ | 34 | 0.4 | Ka12 |
| Abell 3376W | 0.046 | – | 20 | – | – | 38″ × 26″ | 34 | 1.6 | Ka12 |
| Abell 3667NW | 0.055 | 20 | 70 | – | [0-11] | 10″ × 10″ | 11 | 1.5 | dG22 |
| Abell 3667SE | 0.055 | 25 | 50 | – | [0-44] | 10″ × 10″ | 11 | 1.1 | dG22 |
| Abell 521NW | 0.247 | – | – | – | – | – | – | 1.0 | |
| Abell 521SE | 0.247 | – | – | – | – | – | – | 0.75 | |
| ACT-CL J0102-4915NW (El Gordo) (b) | 0.87 | 33 ± 1 | 67 | 38 | 21 | 11″ × 11″ | 86 | 1.4 | Li14 |
| ACT-CL J0102-4915E (El Gordo) (b) | 0.87 | 33 ± 3 | – | – | – | 11″ × 11″ | 86 | 0.4 | Li14 |
| CIZA J2242.8+5301N (Sausage) | 0.189 | 18 | 40 | −86 (c) | 31 | 7″ × 7″ | 22 | 1.5 | DG21 |
| CIZA J2242.8+5301S (Sausage) | 0.189 | 20 | 22 | – | [-14-0] | 13″ × 13″ | 41 | 1.1 | DG21 |
| MACS J1752.0+4440NE | 0.366 | 20 | 40 | – | – | 17″ × 12″ | 87 | 1.3 | Bo12 |
| MACS J1752.0+4440SW | 0.366 | 10 | 40 | – | – | 17″ × 12″ | 87 | 0.8 | Bo12 |
| PLCK G200.9−28.2NE | 0.22 | – | – | – | – | – | – | 0.6 | |
| PLCK G200.9−28.2SW | 0.22 | – | – | – | – | – | – | 0.9 | |
| PLCK G287.0+32.9N (PSZ2 G286.98+32.90) | 0.39 | < 0.8 | – | – | – | 41″ × 41″ | 219 | 0.4 | tw |
| PLCK G287.0+32.9S (PSZ2 G286.98+32.90) | 0.39 | 20 ± 1 | 31 | 10 | 15 | 41″ × 41″ | 219 | 2.8 | tw |
| PSZ1 G096.89+24.17N (ZwCl 1856.8+6616) | 0.304 | – | 60 | – | – | 10″ × 9″ | 45 | 0.75 | J21 |
| PSZ1 G096.89+24.17S (ZwCl 1856.8+6616) | 0.304 | – | 20 | – | – | 10″ × 9″ | 45 | 1.1 | J21 |
| PSZ1 G108.18−11.53NE | 0.335 | – | 30 | – | – | 17″ × 13″ | 82 | 1.7 | dG15 |
| PSZ1 G108.18−11.53SW | 0.335 | – | 30 | – | – | 17″ × 13″ | 82 | 1.3 | dG15 |
| PSZ2 G233.68+36.14N | 0.345 | – | – | – | – | – | – | 0.7 | |
| PSZ2 G233.68+36.14SE | 0.345 | – | – | – | – | – | – | 1.0 | |
| RXC J1314.4−2515E | 0.247 | 11 | 14 | -5 | 17 | 25″ × 25″ | 98 | 1.0 | S19 |
| RXC J1314.4−2515W | 0.247 | 19 | 25 | -11 | 17 | 25″ × 25″ | 98 | 0.5 | S19 |
| SPT-CL J2032−5627NW | 0.284 | – | – | – | – | – | – | 1.2 | |
| SPT-CL J2032−5627SE | 0.284 | – | – | – | – | – | – | 0.4 | |
| ZwCl 0008.8+5215E | 0.104 | – | 25 | – | – | 23.5″ × 17.0″ | 45 | 0.9 | vW11 |
| ZwCl 0008.8+5215W | 0.104 | – | 10 | – | – | 23.5″ × 17.0″ | 45 | 0.7 | vW11 |
| ZwCl 1447.2+2619N | 0.372 | – | – | – | – | – | – | 0.5 | |
| ZwCl 1447.2+2619S | 0.372 | – | – | – | – | – | – | 0.8 | |
| ZwCl 2341.1+0000N | 0.270 | < 5 | – | – | – | 28″ × 28″ | 117 | 0.8 | tw |
| ZwCl 2341.1+0000S | 0.270 | 13 ± 2 | 33 | -3 | 35 | 28″ × 28″ | 117 | 0.9 | tw |
Notes. Column 1: name of the cluster. A subscript letter specifies the relic; Col. 2: redshift, z, retrieved from NED with the exception of 8C 0212+703 for which an updated redshift is provided by Zhang et al. (2020), and Abell 2146 for which the most updated redshift is in White et al. (2015); Col. 3: average fractional polarization at 1.4 GHz; Col. 4: maximum fractional polarization at 1.4 GHz; Col. 5: median or average residual RM, already corrected for the Galactic contribution and for cosmological effects; Col. 6: rest-frame corrected RM dispersion. Except for the northern relic in CIZA J2242.8+5301, for which QU-fitting was used, this value is computed over the relic area. For some relics we listed the total range of measured RM values included in squared brackets since the σRM is not reported; Col. 7: observing beam of polarization observations; Col. 8: physical resolution of the polarization observations; Col. 9: projected distance of the relic from the X-ray centroid of the hosting galaxy cluster; Col. 10: references for polarization observations, as for the legend. From this double radio relics list we excluded Abell 548b (Feretti et al. 2006), CIZA J0107.7+5408 (Randall et al. 2016), MACS J0025.4−1222 (Riseley et al. 2017), SPT-CL J0245−5302 (Zheng et al. 2018), RXC J2351.0−1934 (Duchesne et al. 2021c), and MACS J0417.5−1154, MCXC J0232.2−4420, MCXC J0516.6−5430 (Knowles et al. 2022) for which the characterization as double radio relics is still uncertain.
The only available polarization and Faraday rotation study of this cluster was performed at 2.1 GHz.
This value is computed as the median RM value subtracted by the median GRM estimated by Di Gennaro et al. (2021), although the authors noticed that this cluster is in a region heavily affected by the Galactic foreground and that the GRM could be underestimated.
References. tw this work, Bo09 Bonafede et al. (2009), S21 Stuardi et al. (2021), Ka12 Kale et al. (2012), dG22 de Gasperin et al. (2022), Li14 Lindner et al. (2014), DG21 Di Gennaro et al. (2021), Bo12 Bonafede et al. (2012), J21 Jones et al. (2021), dG15 de Gasperin et al. (2015), S19 Stuardi et al. (2019), vW11 van Weeren et al. (2011b).
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