发表机构
Instituto Nacional de Pesquisas Espaciais（国家空间研究所）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本文提出利用脉冲星计时技术搜索船底座η星这一孤立强源发出的引力波，通过选择特定脉冲星并利用其高偏心率轨道产生的谐波来识别信号，并分析已有数据以验证探测可行性。
AI 中文摘要
在本文中，我们提出利用脉冲星计时（PTA）技术搜索船底座η星发出的引力波，目的不是探测背景信号，而是探测一个强而孤立的源（这一任务尚未完成）。我们建议在搜索网络中纳入脉冲星PSR J0952-0607、PSR J1719-1438、PSR J2322-2650和PSR J1909-3744，因为它们具有相对较高的残差与脉冲宽度之比，且空间位置有利于探测张量偏振。船底座η星双星轨道的高偏心率（0.9）可能有助于在数据中识别信号，因为发射的引力波中存在谐波。部分原始数据可能已被记录并可用；剩余步骤是针对从船底座η星到达地球的引力波信号模型对这些数据进行分析。
英文摘要
In this article, we propose a search for gravitational waves emitted by Eta Carinae using the PTA technique, not to detect a background, but rather a strong, isolated source (a task not yet accomplished). We suggest including pulsars PSR J0952-0607, PSR J1719-1438, PSR J2322-2650, and PSR J1909-3744 in the search network, as they exhibit relatively high residual-to-pulse-width ratios and spatial positions that favor the detection of tensor polarizations. The high eccentricity (0.9) of the Eta Carinae binary orbit may facilitate signal identification within the data due to the presence of harmonics in the emitted gravitational waves. It is possible that some of the raw data have already been recorded and are available; the remaining step is to analyze them against a model of the gravitational wave signal arriving at Earth from Eta Carinae.
Comments3 pages, 4 tables, no figures, submitted to the Universe journal
