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Table 1

Observation log of our three program stars.

Star Instrument Dataset Grating R λ/Å texp/s Date PI
WD 0111+002 HST/COS LCK201010 G130M 13000–19000 1070–1210, 1224–1365 8017 2015-11-17 Werner
HST/GHRS Z3GM0304T G160M 18000 1228–1264 4570 1996-11-11 Werner
FUSE A0130301000 20000 915–1188 5515 2001-08-07 Dreizler
PG 0109+111 HST/COS LCK202010 G130M 13000–19000 1070–1210, 1224–1365 8005 2015-12-01 Werner
FUSE A0130202000 20000 915–1188 4355 2000-11-23 Dreizler
PG 1707+427 HST/COS LCK203010 G130M 13000–19000 1070–1210, 1224–1365 14344 2015-09-14 Werner
HST/GHRS Z2T20304T G140L 1800–2200 1165–1460 1197 1995-08-06 Heber
FUSE P1320401000 20000 915–1188 14541 2000-06-06 Kruk

Notes. For the HST/COS observations the two wavelength intervals covered by detector segments A and B are given. All FUSE spectra were obtained with the LWRS aperture. Resolving power is R. Exposure time is texp.

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