Open Access
Table 3
Quality and coverage of the UV spectra of the stars in the sample.
| HST COS gratings | Continuum signal-to-noise | |||||||
|---|---|---|---|---|---|---|---|---|
| Star | G130M | G160M | G140L | texp (s) | C III λ1176 | C IV λ1550 | He II λ1640 | Prog. ID |
| 64066 | ▪ | □ | □ | 7976 | 7 | – | – | 15 880 |
| A13 | ▪ | ▪ | □ | 16 326 | 6 | 6 | 5 | 12 867 |
| 62024 | □ | □ | ▪ | 11 485 | 13 | 8 | 6 | 12 587 |
| B2 | □ | □ | ▪ | 8567 | 12 | 7 | 6 | 12 587 |
| B11 | ▪ | ▪ | □ | 18 720 | 6 | 5 | 4 | 12 867 |
| A15 | ▪ | ▪ | □ | 23 580 | 4 | 4 | 3 | 15 967 |
| A11 | ▪ | ▪ | □ | 14 618 | 4 | 5 | 4 | 12 867 |
| N20 | □ | □ | ▪ | 9631 | 7 | 5 | 4 | 16 511 |
| N34 | □ | □ | ▪ | 7163 | 8 | 5 | 4 | 16 511 |
| S3 | ▪ | ▪ | □ | 37 633 | 2 | 2 | 1 | 15 967 |
| LP26 | ▪ | ▪ | □ | 69 901 | 5 | 5 | 3 | 15 967 |
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