Open Access
Table 6
Upper limits of N(C4) and N(C5).
| Species | Sightlines | ||||
|---|---|---|---|---|---|
| HD 147889 | HD 169454 | HD 210121 | Stacked | ||
| λjj (Å) | 3789 | ||||
| FWHM(a,b) (Å) | 0.24 | ||||
| C4 | ƒjj(b) | 0.0006 | |||
| Wmax(c) (mÅ) | 2.1 | 1.7 | 1.6 | 1.0 | |
| Nmax (cm−2) | 2.7 × 1013 | 1.8 × 1013 | 2.1 × 1013 | 1.2×1013 | |
| N (C3)/Nmax | 0.28 | 0.35 | 0.23 | 0.50 | |
| HD 154368 | HD 169454 | HD 203532 | Stacked | ||
| λjj (Å) | 5109 | ||||
| FWHM(a,b) (Å) | 0.13 | ||||
| C5 | ƒjj(b) | 0.001 | |||
| Wmax (c) (mÅ) | 0.74 | 0.84 | 0.44 | 0.39 | |
| Nmax (cm−2) | 5.9 × 1012 | 7.6 × 1012 | 3.6 × 1012 | 3.1 × 1012 | |
| N (C3)/Nmax | 0.81 | 1.18 | 0.78 | 0.66 | |
Notes. (a) For the most prominent feature. (b) From Maier et al. (2002).(c) Assuming the most prominent feature has Gaussian profile and contributes to half of the total absorption.
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