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Table 1.
Log of spectroscopic observations.
| Object | UT date | UT time | Exp. time (a) | Airmass | Seeing | Slit width (a) | Pos. angle | Program ID |
|---|---|---|---|---|---|---|---|---|
| (year-mm-dd) | (hh:mm:ss) | (min) | (arcsec) | (arcsec) | (deg) | |||
| Crab | 2014-02-05 | 01:07:30 | 4 × 7/8/8 | 1.46−1.47 | 1.0−1.2 | 1.0/0.9/0.9 | +175.5 | 092-D-0260 |
| Crab | 2014-02-20 (b) | 01:26:41 | 4 × 7/8/8 | 1.54−1.67 | 1.0−1.2 | 1.0/0.9/0.9 | −160.7 | 092-D-0260 |
| Crab | 2014-02-21 | 01:36:13 | 4 × 7/8/8 | 1.58−1.74 | 1.0−1.2 | 1.0/0.9/0.9 | −156.8 | 092-D-0260 |
| Crab | 2014-02-22 | 01:16:32 | 4 × 7/8/8 | 1.53−1.67 | 1.0−1.3 | 1.0/0.9/0.9 | −161.1 | 092-D-0260 |
| Crab | 2015-12-08 | 05:43:49 | 4 × 7/8/8 | 1.47−1.55 | 0.6 | 1.0/0.9/0.9 | −171.0 | 096-D-0847 |
| Crab | 2015-12-13 | 03:12:30 | 4 × 7/8/8 | 1.64−1.52 | 0.7 | 1.0/0.9/0.9 | +150.1 | 096-D-0847 |
| GD 71 | 2015-12-13 | 04:10:08 | 4 × 7/8/8 | 1.37−1.32 | 0.7 | 1.0/0.9/0.9 | +158.8 | 096-D-0847 |
| Crab | 2015-12-13 | 04:59:43 | 4 × 7/8/8 | 1.46−1.49 | 0.7 | 1.0/0.9/0.9 | −179.7 | 096-D-0847 |
| Crab | 2015-12-13 | 05:46:18 | 4 × 7/8/8 | 1.51−1.62 | 0.7−0.8 | 1.0/0.9/0.9 | −164.4 | 096-D-0847 |
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