Table 1
Observation log of our AMBER LR observations of NGC 3783 and its calibrator CD-37 7391.
| Name | Date | Time of | Telescopes/ | PA | DIT | Seeing | Number | Target |
| observation | proj. baseline | (°) | (ms) | (arcsec) | of frames | visibility | ||
| (UTC) | lengths (m) | |||||||
|
|
||||||||
| NGC 3783 | 09/04/14 | 01:19–01:31 | UT2-3/46.6 | 28.8 | 800 | 0.93 | 11 × 70 | 0.89 |
| CD-37 7391 | 09/04/14 | 01:45–01:55 | UT2-3 | 800 | 0.84 | 10 | ||
| NGC 3783 | 09/04/14 | 03:16–03:29 | UT2-3/45.2 | 44.8 | 800 | 0.82 | 11 × 70 | 0.96 |
| NGC 3783 | 09/04/14 | 03:32–03:41 | UT2-3/44.8 | 46.3 | 400 | 0.79 | 10 × 70 | 0.93 |
| CD-37 7391 | 09/04/14 | 04:31–04:34 | UT2-3 | 400 | 0.78 | 4 × 120 | ||
|
|
||||||||
| NGC 3783 | 09/04/14 | 03:52–04:03 | UT3-4/62.0 | 120.9 | 800 | 0.68 | 10 × 70 | 0.97 |
| CD-37 7391 | 09/04/14 | 02:11–02:16 | UT3-4 | 800 | 1.45 | 5 × 70 | ||
|
|
||||||||
| CD-37 7391 | 09/04/14 | 02:00–02:05 | UT2-4 | 800 | 0.99 | 5 × 120 | ||
| NGC 3783 | 09/04/14 | 03:44–03:49 | UT2-4/87.1 | 90.0 | 800 | 0.72 | 5 × 70 | 0.86 |
| NGC 3783 | 09/04/14 | 04:12–04:20 | UT2-4/84.6 | 94.7 | 800 | 0.81 | 8 × 70 | 0.85 |
| CD-37 7391 | 09/04/14 | 04:41–04:45 | UT2-4 | 800 | 0.87 | 3 × 120 | ||
|
|
||||||||
| NGC 3783 | 11/05/18 | 02:39–02:44 | UT1-2-4/51.2/113.8/80.3 | 38.8/77.3/100.7 | 400 | 0.63 | 7 × 120 | |
| NGC 3783 | 11/05/18 | 02:50–02:55 | UT1-2-4/50.6/111.2/78.7 | 39.8/78.9/102.8 | 400 | 0.68 | 7 × 120 | |
| CD-37 7391 | 11/05/18 | 02:00–02:06 | UT1-2-4/ | 400 | 0.75 | 7 × 120 | ||
| CD-37 7391 | 11/05/18 | 02:09–02:17 | UT1-2-4/ | 400 | 0.63 | 7 × 120 | ||
Notes. The data in the first 11 lines were observed in the two-telescope mode and the data in the last 4 lines in the three-telescope mode. The table lists the names, times of observations, projected baseline lengths, position angles PA, detector integration times DIT, seeing, number of interferograms, and derived target visibilities (errors ± 0.09).
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