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Table 2.
Details of the astrometric reduction.
| Satellite | Triton | Nereid | ||
|---|---|---|---|---|
| site | O44 | O49 | O44 | O49 |
| Nm* | 19–87 | 7–118 | 40–87 | 30–124 |
| Mean(Nm*) | 33 | 52 | 68 | 84 |
| S/N | 20–700 | 50–1800 | 14–123 | 10–55 |
| Median(S/N) | 370 | 380 | 70 | 27 |
Notes. The “Site” row gives the IAU observatory codes. Nm* is the number of matched Gaia-DR2 reference stars. S/N is the measured signal-to-noise ratio of a satellite.
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