Open Access

Table 1

Spectroscopic data obtained for the 11 variable sdBs studied in this work.

TIC Spectrograph Date (UT) texp (s) Resolution (Δ λ (Å))
28522887 EFOSC2 2019-06-14 375 6.4
326559609 EFOSC2 2019-06-14 375 6.4
207111243 EFOSC2 2020-01-11 240 6.4
27782233 IDS 2022-09-14 1800 3.5
154432267 IDS 2024-06-15 750 0.96
258021652 IDS 2024-06-15 785 0.96
348825375 IDS 2024-06-15 750 0.96
310930161 IDS 2024-06-15 900 0.96
387884969 IDS 2024-06-15 750 0.96
48085434 IDS 2024-06-16 1050 0.96
341157482 IDS 2024-06-16 750 0.96

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