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Table 1

Observational epochs for R139 detailing; the instrument used, the resolving power (R), the date and the time elapsed since the first epoch (Δ HJD).

Epoch Instrument/Setting R HJD +2 400 000 Δ HJD
1 FLAMES/LR02 7000 54 748.7769a –
2 FLAMES/LR02 54 748.8228 0.046
3 FLAMES/LR02 54 749.7233 0.946
4 FLAMES/HR15N 16 000 54 749.7726 0.996
5 FLAMES/LR03 8500 54 755.6882 6.911
6 FLAMES/HR15N 54 810.6697 61.893
7 FLAMES/LR03 54 810.7374 61.961
8 FLAMES/LR03 54 810.7808 62.004
9 FLAMES/LR03 54 810.8357 62.059
10 FLAMES/LR02 54 837.6332 88.856
11 FLAMES/LR02 54 868.5569 119.780
12 FLAMES/LR02 55 112.8129 364.036
13 MagE/1′′ slit 4500 55 527.8017 779.025
14 X-Shooter/0.5′′ slit 9100b 55 580.5477 831.771
15 X-Shooter 55 584.7076 835.931
16 X-Shooter 55 588.6922 839.915
17 FEROS 48 000 55 604.6909 855.936
18 FEROS 55 605.5613 856.739

Notes. 

(a)

The FLAMES observations were comprised of back-to-back observations, so only the mid-exposure HJD is given.

(b)

The resolving power quoted for X-shooter is that of the UV-arm only, which overlaps the LR02-03 regions of the FLAMES data.

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