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Table 2
Gaussian fit parameters for the stacked CO(2–1) and H i lines
| V center | Area | ΔV | V max |
| [km s-1] | [km s-1] | ||
|
|
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| CO(2–1) line | |||
|
|
|||
| V H ipeak | 0–1 kpc | 12.4 ± 0.4 | –0.2 ± 0.6 |
| 1–2 kpc | 12.4 ± 0.4 | –0.6 ± 0.6 | |
| 2–3 kpc | 13.0 ± 0.5 | –0.5 ± 0.6 | |
| 3–4 kpc | 13.2 ± 0.6 | –0.5 ± 0.6 | |
| 4–5 kpc | 11.7 ± 0.4 | –0.1 ± 0.6 | |
| 5–6 kpc | 11.6 ± 0.6 | –0.2 ± 0.6 | |
| 6–7 kpc | 12.1 ± 0.9 | –1.0 ± 0.6 | |
| full disk | 12.5 ± 0.4 | –0.4 ± 0.6 | |
| no baseline | 12.5 ± 0.5 | –0.4 ± 0.6 | |
| V COpeak | 0–1 kpc | 8.2 ± 0.3 | –0.03 ± 0.09 |
| 1–2 kpc | 7.6 ± 0.3 | –0.04 ± 0.09 | |
| 2–3 kpc | 7.8 ± 0.3 | 0.03 ± 0.10 | |
| 3–4 kpc | 7.6 ± 0.3 | –0.02 ± 0.10 | |
| 4–5 kpc | 7.0 ± 0.3 | –0.01 ± 0.10 | |
| 5–6 kpc | 6.0 ± 0.2 | 0.00 ± 0.06 | |
| 6–7 kpc | 5.9 ± 0.2 | –0.01 ± 0.06 | |
| 7–8 kpc | 5.0 ± 0.2 | –0.13 ± 0.07 | |
| full disk | 7.1 ± 0.3 | 0.02 ± 0.1 | |
| V H imom | full disk | 15.1 ± 0.1 | –0.8 ± 0.6 |
| V rot | full disk | 19.8 ± 0.3 | 0.7 ± 0.1 |
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| H i line | |||
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| V H ipeak | full disk | 14.8±0.5 | –0.02±0.64 |
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