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Table 1
Observational parameters.
Spectral line | Fe I 557.66 nm |
Date of observations | 2007-June-30 |
Telescope | VTT at Izaña, Tenerife |
Start of first scan | UT 8:05 |
End of last scan | UT 8:46 |
Location at Sun | disk center |
|
|
Spectrograph: | |
TESOS (*) | high resolution mode |
FPI bandwidth | 1.9 pm |
FPI scanning step width | 0.83 pm |
number of steps per scan | 101 |
scan range | 83 pm |
exposure time | 50 ms |
scan duration (1 profile) | ≈20 s |
scanning cadence | 25 s |
number of scans | 100 |
Notes. (*) Triple Etalon Solar Spectrometer, Tritschler et al. (2002).
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