Table 3
Astrometric (α, δ) reduction for each satellite observed with the Perkin-Elmer telescope.
| Offsets (sigma) | Nr | UCAC4 | ||||
| Satellite | σ α | σ δ | frames | stars | Mag | |
| mas | mas | (nights) | ||||
|
|
||||||
| Himalia | 290 | 45 | 238 (18) | 37 | 14 | |
| Elara | 230 | 118 | 99 (12) | 32 | 16 | |
| Lysithea | 107 | 79 | 53 (8) | 41 | 18 | |
| Leda | 207 | 79 | 6 (2) | 46 | 19 | |
|
|
||||||
| Pasiphae | 157 | 92 | 144 (13) | 22 | 17 | |
| Callirrhoe | 66 | 35 | 9 (1) | 3 | 21 | |
|
|
||||||
| Carme | 97 | 94 | 68 (7) | 49 | 18 | |
| Sinope | 155 | 77 | 37 (8) | 42 | 18 | |
| Ananke | 93 | 185 | 52 (7) | 40 | 19 | |
|
|
||||||
| Phoebe | 73 | 95 | 410 (22) | 6 | 16 | |
|
|
||||||
| Nereid | 200 | 142 | 289 (29) | 8 | 19 | |
Notes. The offsets (sigma) are the average standard deviations of the ephemeris offsets from the (α, δ) positions of the satellites. Also given are the approximate satellite V magnitude and the average number of UCAC4 reference stars per frame.
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