具有顺时针和逆时针旋向的星系之间的颜色不对称性
Colour asymmetry between galaxies with clockwise and counterclockwise handedness
摘要：
最近的研究表明，SDSS星系的顺时针方向的星系光度与逆时针方向的星系不同。本研究的目的是确定可能的差异的颜色与星系的顺时针旋和逆时针旋的颜色。将162，514个SDSS星系的数据集分为顺时针和逆时针星系，并将顺时针旋向螺旋星系的颜色与逆时针旋向螺旋星系的颜色进行比较。结果表明，SDSS中顺时针星系的i-r色明显高于逆时针星系。30 $^o$和60 $^o$的赤经之间的色差最大，而180 $^o$到210 $^o$的RA范围显示出小得多的差异。
英文摘要：
Recent studies have shown that SDSS galaxies with clockwise patterns are photometrically different from galaxies with anti-clockwise patterns. The purpose of this study is to identify possible differences between the colour of galaxies with clockwise handedness and the colour of galaxies with anti-clockwise handedness. A dataset of 162,514 SDSS galaxies was separated into clockwise and counterclockwise galaxies, and the colours of spiral galaxies with clockwise handedness were compared to the colour of spiral galaxies with anti-clockwise handedness. The results show that the i-r colour in clockwise galaxies in SDSS is significantly higher compared to anti-clockwise SDSS galaxies. The colour difference is strongest between the right ascension of 30$^o$ and 60$^o$, while the RA range of 180$^o$ to 210$^o$ shows a much smaller difference.
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