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Table 1
ISMabs column density values.
| Source | ISMabs | ||||||||
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| N(H) | N(O I) | N(O II) | N(O III) | N(Ne I) | N(Ne II) | N(Ne III) | N(Fe) | ||
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| 4U 0614+091 | 9.3 ± 0.7 | 17.9 ± 2.3 | < 0.57 | – | 4.6 ± 0.7 | 0.25 ± 0.17 | < 0.02 | 0.49 ± 0.11 | |
| 4U 0918–54 | < 1.5 | 17.7 ± 1.7 | < 0.01 | < 0.2 | 2.3 ± 1.3 | 1.09 ± 1.04 | < 0.01 | 0.72 ± 0.19 | |
| 4U 1254–69 | 2.2 ± 0.2 | 14.6 ± 0.8 | 0.28 ± 0.24 | 0.34 ± 0.16 | 2.0 ± 0.3 | 0.79 ± 0.25 | 0.05 ± 0.04 | 0.59 ± 0.06 | |
| 4U 1636–53 | 5.6 ± 1.7 | 22.9 ± 4.3 | 0.72 ± 0.32 | 0.35 ± 0.14 | 3.2 ± 0.9 | 0.78 ± 0.40 | < 0.06 | 1.05 ± 0.22 | |
| 4U 1728–16 | 6.6 ± 0.4 | 14.2 ± 1.2 | 0.30 ± 0.18 | < 0.16 | 3.5 ± 0.4 | 0.54 ± 0.23 | < 0.06 | 0.48 ± 0.06 | |
| 4U 1735–44 | 3.2 ± 1.3 | 12.1 ± 1.7 | 0.53 ± 0.23 | 0.23 ± 0.10 | 2.9 ± 1.3 | 0.61 ± 0.42 | < 0.16 | 0.76 ± 0.21 | |
| 4U 1820–30 | 2.4 ± 0.8 | 8.9 ± 2.2 | < 0.70 | < 0.48 | 1.0 ± 0.7 | 0.16 ± 0.15 | < 0.02 | 0.50 ± 0.15 | |
| 4U 1915–05 | 4.7 ± 2.1 | 23.3 ± 4.3 | < 0.02 | – | 4.4 ± 1.9 | < 0.01 | – | 1.15 ± 0.48 | |
| 4U 1957+11 | 3.4 ± 1.7 | – | – | – | 1.4 ± 1.6 | < 0.16 | < 0.01 | 0.67 ± 0.28 | |
| Aql X–1 | 3.6 ± 0.3 | 23.6 ± 1.2 | < 0.06 | 0.21 ± 0.13 | 5.3 ± 0.3 | 0.58 ± 0.20 | < 0.04 | 1.13 ± 0.07 | |
| Cygnus X–1 | 9.7 ± 0.4 | 21.4 ± 1.4 | 0.28 ± 0.18 | 0.47 ± 0.16 | 6.6 ± 0.3 | 0.39 ± 0.09 | 0.05 ± 0.02 | 0.98 ± 0.04 | |
| Cygnus X–2 | 4.3 ± 0.4 | 11.4 ± 0.8 | 0.45 ± 0.19 | 0.15 ± 0.08 | 2.6 ± 0.2 | 0.50 ± 0.10 | 0.06 ± 0.03 | 0.44 ± 0.05 | |
| EXO 0748–676 | < 2.5 | – | – | – | 6.1 ± 2.8 | – | – | – | |
| GRO J1655–40 | 7.8 ± 0.3 | 26.2 ± 1.4 | 2.55 ± 1.08 | 3.37 ± 1.10 | 7.7 ± 0.3 | 1.11 ± 0.19 | < 0.06 | 1.61 ± 0.13 | |
| GS 1826–238 | 3.1 ± 0.3 | 23.3 ± 1.5 | 0.28 ± 0.22 | 0.74 ± 0.25 | 5.0 ± 0.4 | 0.73 ± 0.28 | < 0.01 | 1.07 ± 0.07 | |
| GX 339–4 | 4.1 ± 0.5 | 30.2 ± 3.1 | < 1.79 | < 1.19 | 4.9 ± 0.5 | 1.72 ± 0.36 | 0.19 ± 0.08 | 1.57 ± 0.17 | |
| GX 349+2 | 14.3 ± 3.3 | – | – | – | 11.0 ± 2.2 | 2.11 ± 1.54 | < 0.20 | 2.31 ± 0.99 | |
| GX 9+9 | 7.4 ± 0.7 | 15.0 ± 1.7 | 0.36 ± 0.16 | < 0.04 | 3.2 ± 0.4 | 0.60 ± 0.19 | < 0.05 | 0.52 ± 0.09 | |
| J1753.5–0127 | < 0.4 | 18.2 ± 1.4 | < 0.22 | 0.53 ± 0.49 | 2.3 ± 0.8 | < 0.15 | < 0.06 | 0.53 ± 0.18 | |
| Swift J1808-3658 | 2.2 ± 1.3 | 7.0 ± 3.9 | – | – | – | – | – | – | |
| Swift J1910.2-0546 | 7.4 ± 1.2 | 12.9 ± 3.8 | < 0.92 | – | 3.6 ± 0.6 | 0.42 ± 0.17 | 0.09 ± 0.04 | 0.91 ± 0.14 | |
| Sco X–1 | 2.1 ± 1.5 | 9.4 ± 1.4 | < 0.11 | < 0.01 | – | – | – | 0.42 ± 0.12 | |
| Ser X–1 | 3.0 ± 0.9 | 32.5 ± 3.0 | < 1.08 | 0.52 ± 0.29 | 6.0 ± 0.7 | 1.04 ± 0.44 | < 0.06 | 1.46 ± 0.21 | |
| XTE J1817-330 | 1.4 ± 0.4 | 11.1 ± 0.5 | 0.72 ± 0.24 | 0.34 ± 0.12 | 1.4 ± 0.2 | 0.41 ± 0.10 | 0.11 ± 0.04 | 0.46 ± 0.03 | |
Notes. N(H) in units of 1021 cm-2 and metal column densities in units of 1017 cm-2.
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