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Table 1.

Observational details for the spectra.

Obs. date Tel. Inst. Exp. time λλ
1984-05-02 AAT RGO-FORS/250B ? 150
2015-10-17 VLT FORS2/Gris300V 4×150 440
2015-10-22 VLT FORS2/Gris300V 4×150 440
2015-11-09 VLT FORS2/Gris300V 4×150 440
2016-03-18 VLT FORS2/Gris300V 4×150 440
2016-03-29 VLT FORS2/Gris300V 4×150 440
2016-04-02 VLT FORS2/Gris300V 4×150 440
2019-04-16 ClT LDSS3/VPH-ALL 3×300 860
2019-10-31 NTT EFOSC2/Grism#5 3×400 435
2019-11-29 DuT WFCCD/GrismB 4×1200 2350

Notes. Columns: (1) observation date; (2) Telescope. List of acronyms: Anglo-Australian Telescope (AAT), Very Large Telescope (VLT), Clay Telescope (ClT), New Technology Telescope (NTT), duPont Telescope (DuT); (3) Instrument and dispersion element used for observations. List of acronyms: Royal Greenwich Observatory spectrograph, Faint Object Red Spectrograph (RGO-FORS), Focal Reducer/low dispersion Spectrograph 2 (FORS2), Low Dispersion Survey Spectrograph 3 (LDSS3), ESO Faint Object Spectrograph and Camera 2 (EFOSC2), WFCCD (Wide-field CCD); (4) exposure time (in seconds); (5) spectral resolution.

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