论文标题
NGTS的浅透水随访：同时观察HD106315，带有11个相同的望远镜
Shallow transit follow-up from NGTS: simultaneous observations of HD106315 with 11 identical telescopes
论文作者
论文摘要
下一代运输调查（NGTS）是针对透过系外行星的光度调查，由十二个相同的0.2 m望远镜组成。我们使用一种新型观测模式报告了HD106315C对HD106315C的运输的测量，其中多个NGTS望远镜观察了相同的目标，目的是增加信噪比。将数据结合起来允许对运输的强大检测，其深度小于0.1％，与大量望远镜的性能媲美。我们证明了NGT使用此观察模式有助于K2和Tess发现的随访的能力。特别是，NGT非常适合测量明亮靶标的浅层转运。这对于改善相对长期行星的轨道胚膜尤为重要，在空间中仅观察到少量的过境。
The Next Generation Transit Survey (NGTS) is a photometric survey for transiting exoplanets, consisting of twelve identical 0.2-m telescopes. We report a measurement of the transit of HD106315c using a novel observing mode in which multiple NGTS telescopes observed the same target with the aim of increasing the signal-to-noise. Combining the data allows the robust detection of the transit, which has a depth less than 0.1 per cent, rivalling the performance of much larger telescopes. We demonstrate the capability of NGTS to contribute to the follow-up of K2 and TESS discoveries using this observing mode. In particular, NGTS is well-suited to the measurement of shallow transits of bright targets. This is particularly important to improve orbital ephemerides of relatively long-period planets, where only a small number of transits are observed from space.
