论文标题
局部星际介质中的湍流速度与密度场之间的相关性
Correlations between turbulent velocity and density fields in the local interstellar medium
论文作者
论文摘要
Kalberla等。使用HI4PI数据来分析星际介质(ISM)中的速度和密度波动。他们应用了Yuen等。 (2021)速度分解算法(VDA),用于分离位置位置 - 速度(PPV)空间中的这种波动。在此手稿的第一个版本中,他们得出的结论是,速度和密度场在统计上是相关的。 Yuen等。 (2021)试图重现这些结果,并指出所使用的VDA表达式中的可能错误。我们确认存在这样的软件问题。需要撤回对HI4PI的VDA派生密度和速度字段的陈述。正确的是,这些密度和速度场是不相关的。反过来,基于错误的相关性,该手稿的第一个版本中的结论的主要部分是无效的。提交给A&A的提交于2022年2月24日撤回。
Kalberla et al. used HI4PI data to analyze velocity and density fluctuations in the interstellar medium (ISM). They applied the Yuen et al. (2021) velocity decomposition algorithm (VDA) for separating such fluctuations in the position-position-velocity (PPV) space. In the first version of this manuscript they came to the conclusion that velocity and density fields are statistically correlated. Yuen et al. (2021) tried to reproduce these results and pointed to a likely mistake in the VDA expression that was used. We confirm that there was such a software problem. The statement that VDA derived density and velocity fields from HI4PI are anti-correlated needs to be withdrawn. Correct is that these density and velocity fields are uncorrelated. In turn major parts of the conclusions in the first version of this manuscript, based on an erroneous correlation, are invalid. The submission to A&A was withdrawn on 24 February 2022.