银河系和SETI实验中协调信令方案的可能性
Possibility of a coordinated signaling scheme in the Galaxy and SETI experiments
摘要：
我们讨论了一个银河系范围内的协调信号方案，一个SETI观测者需要检查天空的一小部分。目标天空方向是根据对一个显著天文事件（如双中子星双星的合并）的祖先的高精度测量来确定的。在各个方面，这样的协调方案对于发射机和接收机都是有利的，并且可以作为默认调整而广泛流行。对于这一计划，计划中的空间引力波探测器LISA及其后续任务有可能将目标天空区域缩小$10^{3\textit{-}4}$倍，并可能对未来的SETI实验产生重大影响。
英文摘要：
We discuss a Galaxy-wide coordinated signaling scheme with which a SETI observer needs to examine a tiny fraction of the sky. The target sky direction is determined as a function of time, based on high-precision measurements of a progenitor of a conspicuous astronomical event such as a coalescence of a double neutron star binary. In various respects, such a coordinated scheme would be advantageous for both transmitters and receivers, and might be widely prevailing as a tacit adjustment. For this scheme, the planned space gravitational-wave detector LISA and its follow-on missions have a potential to narrow down the target sky area by a factor of $10^{3\textit{-}4}$, and could have a large impact on future SETI experiments.
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