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Table 9.
Slope g(ix) of spectral absorption feature index with binary fraction for NGC 6121 (Col. 2) and the dominant species of the Lick/IDS indices (Col. 3, which comes from Table 2 of Trager et al. 1998, species in parentheses control index in a negative sense, i.e., index weakens as abundance grows).
| ID: Name (ix) | g(ix) | Species |
|---|---|---|
| (1) | (2) | (3) |
| 1: CN1 | −2.18 | C, N, (O) |
| 2: CN2 | −1.08 | C, N, (O) |
| 3: Ca4227 | −4.07 | Ca, (C) |
| 4: G4300 | 34.83 | C, (O) |
| 5: Fe4383 | 15.24 | Fe, C, (Mg) |
| 6: Ca4455 | −6.91 | (Fe), (C), Cr |
| 7: Fe4531 | −4.01 | Ti, (Si) |
| 8: C24668 | −65.01 | C, (O), (Si) |
| 9: Hβ | 17.22 | Hβ, (Mg) |
| 10: Fe5015 | 34.51 | (Mg), Ti, Fe |
| 11: Mg1 | 0.07 | C, Mg, (O), (Fe) |
| 12: Mg2 | −0.74 | Mg, C, (Fe), (O) |
| 13: Mgb | −23.24 | Mg, (C), (Cr) |
| 14: Fe5270 | −29.83 | Fe, C, (Mg) |
| 15: Fe5335 | −0.18 | Fe, (C), (Mg), Cr |
| 16: Fe5406 | −7.77 | Fe |
| 17: Fe5709 | −4.88 | (C), Fe |
| 18: Fe5782 | −2.98 | Cr |
| 19: NaD | 44.08 | Na, C, (Mg) |
| 20: TiO1 | −1.28 | C |
| 21: TiO2 | −1.07 | C,V,Sc |
| 22: HδA | 88.07 | |
| 23: HγA | 62.55 | |
| 24: HδF | 72.34 | |
| 25: HγF | 68.97 | |
| 30: B4000GC | −3.22 | |
| 31: B4000VN | −2.87 | |
| 32: B4000 | −3.22 | |
| 33: B4000SDSS | −2.7 | |
| 44: OIII-1 | −47.04 | |
| 45: OIII-2 | −37.64 | |
| 46: Hβ, p | 14.28 |
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