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Table 1
Log of observations.
| Date | Grism | Resolution | Exptime | Airmass | ||||||||
| (s) | ||||||||||||
|
|
||||||||||||
| 11/09/2016 | 1000R | 450 | 2 × 500 | 1.34–1.37 | ||||||||
| 26/09/2016 | 1000B | 500 | 3 × 1000 | 1.22–1.33 | ||||||||
| 09/10/2016 | 2500U | 1250 | 4 × 1800 | 1.11–1.08 | ||||||||
| 19/01/2017 | 2500R | 1850 | 3 × 720 | 1.32–1.43 | ||||||||
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