Single-photon intensity interferometry (SPIIFY): Utilizing available telescopes
Single-photon intensity interferometry (SPIIFY): Utilizing available telescopes
复制标题
单光子强度干涉测量 (SPIIFY)：利用可用的望远镜
DOI：
10.1093/mnras/stx272
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发表时间：
2017
影响因子：
4.8
通讯作者：
P. Scowen
中科院分区：
文献类型：
--
作者：
G. Pilyavsky;P. Mauskopf;N. Smith;E. Schroeder;A. Sinclair;G. V. van Belle;N. Hinkel;P. Scowen
光学干涉仪的主要科学目标之一是测量恒星的角直径。这些测量加上精确的距离测量，例如来自即将出现的盖亚卫星的测量，可以提供对恒星线性直径和有效温度的改进约束。我们描述了一个模块化的强度干涉仪系统，使用市售的单光子探测器。我们提出了我们的计算灵敏度anduv-plane覆盖使用这些模块安装在现有的望远镜基特峰，亚利桑那州。确定准确的恒星性质对于测试恒星演化模型以及推导凌日系外行星的物理性质非常重要。我们的模拟表明，我们应该能够在一个晚上的观测中以≥ 5%的精度测量AB星等≤6的亮星的恒星直径。
One of the main scientific goals of optical interferometers is to measure the angular diameters of stars. These measurements, combined with precise distance measurements, such as those from the upcomingGaiasatellite, can provide improved constraints on stellar linear diameters and effective temperature. We describe a modular intensity interferometer system using commercially available single-photon detectors. We present our calculations on the sensitivity anduv-plane coverage using these modules mounted on existing telescopes on Kitt Peak, Arizona. Determining accurate stellar properties is important for testing models of stellar evolution as well as for deriving physical properties of transiting exoplanets. Our simulations indicate that we should be able to measure stellar diameters of bright stars with AB magnitude ≤6 with a precision of ≥5 per cent in a single night of observation.