Table 1.
Properties and lopsidedness metrics of the satellite distributions from the MATLAS survey.
| Centroid | Max angle | Hemisphere | Pairwise | MRL | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Host | RA | Dec | D | N | rcover | dnorm | θmax | (2 − N/Nlop)max | θlop |
 |
| name | (deg) | (deg) | (Mpc) | (kpc) | (deg) | (deg) | ||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) |
| IC0598 | 153.2024 | 43.1455 | 35.3 | 4 | 320 | 0.07 | 140.6 | 0.667 | 112.6 | 0.16 |
| NGC0448 | 18.8189 | −1.6261 | 29.5 | 13 | 268 | 0.44 | 113.1 | 0.917 | 64.2 | 0.61 |
| NGC0661 | 26.0610 | 28.7060 | 30.6 | 12 | 278 | 0.28 | 92.2 | 0.500 | 91.8 | 0.26 |
| NGC0936 | 36.9061 | −1.1563 | 22.4 | 18 | 203 | 0.07 | 75.2 | 0.364 | 93.7 | 0.10 |
| NGC1121 | 42.6634 | −1.7340 | 35.3 | 15 | 321 | 0.16 | 85.1 | 0.636 | 92.1 | 0.19 |
| NGC1222 | 47.2364 | −2.9552 | 33.3 | 19 | 303 | 0.37 | 51.6 | 0.643 | 89.3 | 0.25 |
| NGC2679 | 132.8872 | 30.8654 | 31.1 | 3 | 283 | 0.26 | 172.9 | 0.500 | 120.0 | 0.30 |
| NGC2685 | 133.8948 | 58.7344 | 16.7 | 9 | 123 | 0.44 | 120.6 | 0.714 | 94.8 | 0.23 |
| NGC2764 | 137.0730 | 21.4434 | 39.6 | 4 | 360 | 0.40 | 207.8 | 1.000 | 79.7 | 0.58 |
| NGC2824 | 139.7593 | 26.2700 | 40.7 | 4 | 370 | 0.16 | 124.2 | 0.667 | 114.8 | 0.11 |
| NGC2859 | 141.0773 | 34.5134 | 27.0 | 16 | 246 | 0.28 | 48.9 | 0.545 | 88.9 | 0.29 |
| NGC2880 | 142.3942 | 62.4906 | 21.3 | 9 | 194 | 0.20 | 102.0 | 0.500 | 97.8 | 0.08 |
| NGC2950 | 145.6463 | 58.8512 | 14.5 | 7 | 132 | 0.34 | 113.8 | 0.600 | 100.6 | 0.17 |
| NGC2974 | 145.6386 | −3.6991 | 20.9 | 12 | 190 | 0.06 | 107.3 | 0.500 | 96.3 | 0.08 |
| NGC3032 | 148.0341 | 29.2363 | 21.4 | 3 | 195 | 0.98 | 337.5 | 1.000 | 15.0 | 0.99 |
| NGC3098 | 150.5695 | 24.7111 | 23.0 | 6 | 209 | 0.12 | 120.8 | 0.500 | 102.3 | 0.20 |
| NGC3182 | 154.8876 | 58.2058 | 34.0 | 7 | 309 | 0.55 | 159.7 | 0.833 | 74.4 | 0.51 |
| NGC3230 | 155.9331 | 12.5679 | 40.8 | 16 | 371 | 0.58 | 114.3 | 0.857 | 70.4 | 0.56 |
| NGC3248 | 156.9393 | 22.8472 | 24.6 | 5 | 223 | 0.59 | 184.0 | 1.000 | 82.2 | 0.56 |
| NGC3457 | 163.7026 | 17.6212 | 20.1 | 7 | 142 | 0.65 | 177.2 | 0.833 | 69.1 | 0.62 |
| NGC3522 | 166.6685 | 20.0856 | 25.5 | 2 | 231 | 0.79 | 287.4 | 1.000 | 72.6 | 0.81 |
| NGC3648 | 170.6312 | 39.8770 | 31.9 | 11 | 289 | 0.09 | 134.0 | 0.625 | 96.7 | 0.14 |
| NGC3694 | 172.2256 | 35.4139 | 35.2 | 9 | 320 | 0.70 | 180.4 | 1.000 | 62.6 | 0.64 |
| NGC3941 | 178.2307 | 36.9864 | 11.9 | 5 | 108 | 0.24 | 171.9 | 0.750 | 103.9 | 0.25 |
| NGC4119 | 182.0402 | 10.3787 | 16.5 | 1 | 150 | 1.00 | − | 1.000 | − | 1.00 |
| NGC4150 | 182.6402 | 30.4015 | 13.4 | 8 | 122 | 0.50 | 109.0 | 0.667 | 91.6 | 0.34 |
| NGC4643 | 190.8339 | 1.9784 | 16.5 | 18 | 150 | 0.40 | 93.9 | 0.800 | 79.3 | 0.44 |
| NGC4697 | 192.1496 | −5.8008 | 11.4 | 12 | 104 | 0.38 | 124.4 | 0.800 | 81.9 | 0.43 |
| NGC4753 | 193.0921 | −1.1997 | 22.9 | 8 | 208 | 0.38 | 152.1 | 0.667 | 89.1 | 0.36 |
| NGC5493 | 212.8724 | −5.0437 | 38.8 | 8 | 352 | 0.29 | 80.0 | 0.400 | 98.7 | 0.16 |
| NGC5582 | 215.1797 | 39.6936 | 27.7 | 9 | 204 | 0.62 | 148.1 | 0.875 | 70.0 | 0.58 |
| NGC5611 | 216.0199 | 33.0475 | 24.5 | 8 | 223 | 0.38 | 162.0 | 0.857 | 77.7 | 0.51 |
| NGC5631 | 216.6387 | 56.5827 | 27.0 | 9 | 216 | 0.38 | 160.9 | 0.875 | 87.6 | 0.38 |
| NGC5866 | 226.6232 | 55.7633 | 14.9 | 10 | 136 | 0.17 | 130.4 | 0.571 | 95.1 | 0.23 |
| NGC6547 | 271.2917 | 25.2326 | 40.8 | 6 | 371 | 0.39 | 116.8 | 0.800 | 99.0 | 0.23 |
| NGC7710 | 353.9423 | −2.8809 | 34.0 | 7 | 309 | 0.59 | 191.4 | 1.000 | 62.4 | 0.68 |
| PGC028887 | 149.9313 | 11.6608 | 41.0 | 11 | 371 | 0.39 | 103.8 | 0.625 | 91.8 | 0.11 |
| PGC056772 | 240.5483 | 7.0860 | 39.5 | 6 | 358 | 0.63 | 159.9 | 0.800 | 85.4 | 0.48 |
| PGC058114 | 246.5178 | 2.9066 | 23.8 | 3 | 216 | 0.78 | 261.1 | 1.000 | 65.9 | 0.75 |
| PGC061468 | 272.3607 | 19.1177 | 36.2 | 3 | 329 | 0.23 | 173.6 | 0.500 | 120.0 | 0.31 |
| UGC03960 | 115.0949 | 23.2751 | 33.2 | 3 | 281 | 0.40 | 149.0 | 0.500 | 120.0 | 0.22 |
| UGC04551 | 131.0246 | 49.7940 | 28.0 | 11 | 255 | 0.72 | 178.9 | 0.900 | 60.5 | 0.68 |
| UGC05408 | 150.9661 | 59.4361 | 45.8 | 3 | 417 | 0.43 | 203.9 | 1.000 | 104.1 | 0.47 |
| UGC06062 | 164.6567 | 9.0505 | 38.7 | 9 | 351 | 0.05 | 106.3 | 0.500 | 99.5 | 0.08 |
| UGC06176 | 166.8528 | 21.6572 | 40.1 | 3 | 365 | 0.73 | 203.6 | 1.000 | 104.3 | 0.40 |
| UGC08876 | 209.2419 | 45.9732 | 33.9 | 1 | 308 | 1.00 | − | 1.000 | − | 1.00 |
| UGC09519 | 221.5880 | 34.3707 | 27.6 | 4 | 251 | 0.63 | 210.1 | 1.000 | 79.6 | 0.61 |
Notes. We present five of the six lopsidedness metrics for the 47 isolated MATLAS systems. The “wedge” metric is missing because it is a graph for each system rather than a number. Columns: (1) name of ETG, (2,3) coordinates in the J2000 frame, (4) distance to ETG, (5) number of satellites within maximum circle covered by FoV, (6) radius of maximum circle covered by FoV in kpc at the distance of the host, (7) normalized offset between ETG and centroid of 2D satellite distribution, (8) maximum opening angle without a satellite, (9) maximum contrast in satellite distribution from a 180-degree separation line where Nlop is the maximum number of satellites found on one side, (10) mean pairwise angle between the satellites, (11) MRL. Note: empty entries (-) mark systems for which a given angular metric is not applicable because they feature only a single satellite.
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