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Table 1
Technical details of the observations.
| Days | Slit | UVB arm | VIS arm | NIR arm | |||||||
| UT date | since | PAa | Exposure | Slit | Binning | Exposure | Slit | Binning | Exposure | Slit | Binning |
| max. | (deg) | time (s) | width (′′) | (pix) | time (s) | (′′) | (pix) | time (s) | (′′) | (pix) | |
|
|
|||||||||||
| 2009-May-04 | 240 | 1.7 | 600 × 2 | 1.0 | 1 × 1 | 600 × 2 | 0.9 | 1 × 1 | 200 × 6 | 0.9 | 1 × 1 |
| 2009-May-04 | 240 | 1.7 | 900 × 2 | 1.0 | 1 × 1 | 400 × 4 | 0.9 | 1 × 1 | 450 × 4 | 0.9 | 1 × 1 |
| 2009-Aug.-13 | 341 | 51 | 1000 × 2 | 1.0 | 1 × 2 | 1000 × 2 | 0.9 | 1 × 2 | (300 × 3b)×2 | 0.9 | 1 × 1 |
| 2009-Sep.-29 | 388 | 51 | 1000 × 2 | 1.0 | 1 × 2 | 1000 × 2 | 0.9 | 1 × 2 | (300 × 3b)×2 | 0.9 | 1 × 1 |
| 2012-Apr.-22 | 1324 | –72 | 200 | 5.0 | 1 × 1 | 200 | 5.0 | 1 × 1 | 268 | 5.0 | 1 × 1 |
| 2012-Apr.-22 | 1324 | –72 | 394 × 2 | 1.0 | 1 × 1 | 394 × 2 | 0.7 | 1 × 1 | 461 × 2 | 0.4 | 1 × 1 |
Notes.
(b)
We did not obtain six separate exposures but rather set NDIT parameter (Martayan et al. 2014) to 3, so that single frame was stored for each nodding position and corresponds to a pre-processor average of three integrations of 300 s each.
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