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Table 1
Observations circumstances.
| Date | Location | Telescope/aperture (m) | Integration & | Start – end |
| lat (d:m:s) | Receptor | cycle time (s) | (UT, s) | |
| lon (d:m:s) | Band | |||
| alt (m) | ||||
|
|
||||
| April 10, 2006 | Paranal | VLT/8.2 | 0.5–0.5 | 18 478.9–18 779.1 |
| 24:37:31 S | NACO (adaptive optics) | 0.5–0.5 | 18 947.7–19 847.9 | |
| 70:24:08 W | broad 1−2.5 μm | 0.5–0.5 | 19 877.9–20 778.1 | |
| 2635 | 0.5–0.5 | 20 831.3–21 131.5 | ||
| 0.5–0.5 | 21 332.4–21 632.9 | |||
| 1.0–1.0 | 21 696.2–22 276.3 | |||
| 0.5–0.5 | 22 750.9–23 051.4 | |||
| 1.0–1.0 | 23 549.0–23 849.6 | |||
| 0.5–0.5 | 23 996.7–24 897.2 | |||
| 0.5–0.5 | 25 029.0–25 329.5 | |||
| 0.5–0.5 | 25 432.6–26 333.2 | |||
|
|
||||
| April 10, 2006 | La Silla | NTT/3.58 | 0.30–0.46 | 22 576.4–23 477.2 |
| 29:15:32.1 S | SOFI | 0.30–0.46 | 25 095.9–27 361.3 | |
| 70:44:01.5 W | 1.65 μm (H band) | |||
| 2375 | ||||
|
|
||||
| April 10, 2006 | La Silla | 2p2/2.2 | 0.60–0.98 | 22 949.4–27 122.2 |
| 29:15:28.2 S | guiding CCD camera | |||
| 70:44:12.0 W | 0.65 μm (R band) | |||
| 2375 | ||||
|
|
||||
| June 14, 2007 | Pico dos Dias | LNA160/1.6 | 0.4–0.4 | 4277.6–7082.4 |
| 22:32:04 S | CCD301 | |||
| 45:34:57 W | broad 0.3−0.9 μm | |||
| 1864 | (maximum response | |||
| around 0.4−0.7 μm) | ||||
Notes. The average star velocities relative to Pluto in the plane of the sky were 6.41 km s-1 and 24.0 km s-1 on April 10, 2006 and June 14, 2007, respectively.
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