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Table 1
Data characteristics.
| Parameter | Disk center data | Limb data |
|
|
||
| Date | 2007-Jun.-14 | 2008-Nov.-09 |
| Time | 08:32–09:25 | 09:35–10:45 |
| Spectral region | Ca II H, central part | |
| Position angle | 1.0 | 0.0–0.35 |
| Integration time | 0.25 s | 0.5 s |
| Slit width | 0.5′′ | 0.5′′ |
| Slit length | 188′′ | 188′′ |
| Scan step | 0.5′′ | – |
| Scan width | 3.5′′ | – |
| Image cadence | 1 s | – |
| Scan repetiton | 8 s | – |
| Dispersion | 0.4843 pm/pix | 0.4843 pm/pix |
| Velocity scale | 365 ms-1/pixel | 365 ms-1/pixel |
| Spectral coverage | 0.485 | 0.485 nm |
| Spatial coverage | 185′′ × 3.5′′ | 185′′ |
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