Table 1
Summary of the observed transits of HAT-P-13b at the Asiago 1.82 m telescope.
Eve. date | UT obs. time | Airmass | Exptime (s) | Cadence (s) | Duty-cycle | Frames | Notes |
|
|||||||
2011 Jan. 2 | 19:46−23:40 | 1.63−1.03 | 8 | 9.7 | 83% | 1451 | clouds |
2011 Jan. 31 | 23:08−04.18 | 1.00−1.58 | 3, 5 | 6.6 | 75% | 2810 | clear |
2011 Feb. 3 | 21:07−03:30 | 1.05−1.00−1.23 | 5 | 6.7 | 75% | 2902 | some veils |
2011 Feb. 6 | 18:53−23:40 | 1.29−1.00−1.01 | 4, 5 | 5.8 | 71% | 2940 | clear |
2011 Feb. 9 | 17:29−22:31 | 1.57−1.00 | 4, 5 | 6.0 | 72% | 3011 | clear, twilight |
Notes. The columns give: the “evening date” of the observation, the UT time span of the photometric series, the airmass evolution, the exposure time and the average net cadence in s, the overall duty-cycle, the number of frames gathered, and the sky conditions at the time.
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