论文标题
267 GHz JCMT观察金的统计可靠性：没有明显的磷酸吸收证据
The statistical reliability of 267 GHz JCMT observations of Venus: No significant evidence for phosphine absorption
论文作者
论文摘要
鉴于最近宣布在金星大气中发现潜在的生物签名膦的消息，我对原始JCMT数据进行了独立的重新分析，以评估检测的统计可靠性。探索了两种线检测方法，低阶多项式拟合和高阶多项式拟合。非参数引导性分析表明，两条线检测方法都无法恢复具有统计学意义的检测。与阿尔玛金星光谱的其他重新分析的结果相似，多项式拟合过程导致JCMT光谱中的假阳性检测。因此，在JCMT金星光谱中没有明显的证据表明磷酸吸收。
In the light of the recent announcement of the discovery of the potential biosignature phosphine in the atmosphere of Venus I present an independent reanalysis of the original JCMT data to assess the statistical reliability of the detection. Two line detection methods are explored, low order polynomial fits and higher order multiple polynomial fits. A non-parametric bootstrap analysis reveals that neither line detection method is able to recover a statistically significant detection. Similar to the results of other reanalyses of ALMA Venus spectra, the polynomial fitting process results in false positive detections in the JCMT spectrum. There is thus no significant evidence for phosphine absorption in the JCMT Venus spectra.
