Color Differences between Clockwise and Counterclockwise Spiral Galaxies
Color Differences between Clockwise and Counterclockwise Spiral Galaxies
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顺时针和逆时针螺旋星系之间的颜色差异
DOI：
10.3390/galaxies1030210
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发表时间：
2013
影响因子：
3.5
通讯作者：
L. Shamir
中科院分区：
文献类型：
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作者：
L. Shamir
虽然从地球上观察到的螺旋星系显然似乎在不同方向旋转，但人们对顺时针旋转星系和逆时针旋转星系之间的其他差异知之甚少。在这里，我们比较了 64,399 个顺时针旋转的螺旋星系和 63,215 个逆时针旋转的螺旋星系的颜色。结果表明，顺时针旋转的星系往往比逆时针旋转的星系更蓝。颜色差异归因于偶然的概率约为 0.019。 g-r、r-i 和 i-z 没有显示出顺时针和逆时针星系之间的显着差异。
While spiral galaxies observed from Earth clearly seem to spin in different directions, little is yet known about other differences between galaxies that spin clockwise and galaxies that spin counterclockwise. Here we compared the color of 64,399 spiral galaxies that spin clockwise to 63,215 spiral galaxies that spin counterclockwise. The results show that clockwise galaxies tend to be bluer than galaxies that spin counterclockwise. The probability that the color differences can be attributed to chance is ~0.019. g-r, r-i and i-z did not show significant differences between clockwise and counterclockwise galaxies.