在分析不同色温恒星光谱分布特征的基础上，建立恒星光谱模型，计算色温差异引起的恒星定位误差。
In order to analyze the effect of color temperature in star sensor, the model of stellar spectrum was presented in this paper.
通过寻找绕行星轨道运行的母恒星中的摇晃，已定位了400多个行星。
More than 400 have been located by looking for the wobbles in parent stars that orbiting planets cause.
白矮星是具个性的，也是非常稀有(可能因为定位它们很困难)令人惊异的恒星，在上百个离我们的太阳最近的星系中只有八颗已知的白矮星。
Those are amazing objects in their own right, and also rather rare (perhaps because they're so difficult to spot) : there's eight known white dwarfs in the hundred nearest star systems to our sun.
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