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Table 1
Log of the observations presented in this work.
| Date | Start time | End time | Telescope and | Optical | Number of | Exposure | Mean |
| (UT) | (UT) | (UT) | instrument | element | observations | time (s) | magnitude |
|
|
|||||||
| 2007 08 07 | 09:02 | 10:38 | NTT / SUSI2 | unfiltered | 111 | 60 | 20.7 |
| 2007 08 08 | 09:25 | 10:32 | NTT / SUSI2 | unfiltered | 55 | 60 | 20.6 |
| 2007 08 15 | 06:20 | VLT / FORS2 | unfiltered | 1 | 10 | 20.8 | |
| 2007 08 15 | 06:24 | 10:20 | VLT / FORS2 | 1200R grism | 22 | 600 | – |
| 2007 08 16 | 04:15 | VLT / FORS2 | V filter | 1 | 30 | 20.7 | |
| 2007 08 16 | 04:20 | 05:32 | VLT / FORS2 | 1200R grism | 7 | 600 | – |
Notes. The acquisition magnitudes were measured from the VLT/FORS2 acquisition images and are discussed in Sect. 2.1.
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