论文标题
重新审视顺时针和逆时针星系之间的大规模不对称
Large-scale asymmetry between clockwise and counterclockwise galaxies revisited
论文作者
论文摘要
数字天空调查收集和存储大量数据的能力为研究当地宇宙提供了全新的方法。使用这种工具报告的最具挑衅性的观察之一可能是带有顺时针和逆时针旋转模式的星系之间的不对称性。在这里，我使用$ \ sim1.7 \ cdot10^5 $从SDSS进行的螺旋星系，然后按它们的自旋图案（顺时针或逆时针）对其进行排序，以识别和介绍从地球观察到的星系旋转模式分布的大规模模式。该分析表明，SDSS成像的顺时针和逆时针螺旋星系与偶极轴之间的不对称性。这些发现在很大程度上与使用较小数据集的先前报告一致。偶然发生星系数量之间差异的概率为（p <4*10^-9），仅发生不对称轴的概率是（p <1.4*10^-5）。
The ability of digital sky surveys to collect and store very large amounts of data provides completely new ways to study the local universe. Perhaps one of the most provocative observations reported with such tools is the asymmetry between galaxies with clockwise and counterclockwise spin patterns. Here I use $\sim1.7\cdot10^5$ spiral galaxies from SDSS and sort them by their spin patterns (clockwise or counterclockwise) to identify and profile a possible large-scale pattern of the distribution of galaxy spin patterns as observed from Earth. The analysis shows asymmetry between the number of clockwise and counterclockwise spiral galaxies imaged by SDSS, and a dipole axis. These findings largely agree with previous reports using smaller datasets. The probability of the differences between the number of galaxies to occur by chance is (P<4*10^-9), and the probability of an asymmetry axis to occur by mere chance is (P<1.4*10^-5).
