星际通信网络。III。定位深空节点
Interstellar communication network. III. Locating deep space nodes
摘要：
星际通信网络受益于放置在恒星引力透镜中的中继节点。信号增益为$10^{9}$级，具有最佳对准，允许在秒差距距离上以kW功率水平与米级探针进行千兆位连接。如果这样的网络存在，那么我们的太阳系中可能存在一个节点：它在哪里？通过对网络拓扑的一些假设，可以计算候选天空位置。视位置受到地球绕太阳轨道的视差运动和附近恒星自行引起的（缓慢）漂移的影响。利用盖亚天体测量学，可以以角秒的精度确定瞬时位置。这些潜在的节点位置可以在目标中观察到。
英文摘要：
An interstellar communication network benefits from relay nodes placed in the gravitational lenses of stars. The signal gains are of order $10^{9}$ with optimal alignment, allowing for GBits connections at kW power levels with meter-sized probes over parsec distances. If such a network exists, there might be a node in our solar system: where is it? With some assumptions on the network topology, candidate sky positions can be calculated. Apparent positions are influenced by the parallax motion from the Earth's orbit around the Sun, and the (slow) drifts caused by proper motions of nearby stars. With Gaia astrometry, instantaneous positions can be determined with arcsec accuracy. These potential node locations can be observed in targeted
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