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GSC 03549-02811 (又叫 TrES-2、Kepler-1)[2]係一個類似太陽嘅G型主序星。呢粒恆星喺天龍座距離地球718光年。佢嘅視星等係11.41,代表呢粒恆星要用中型望遠鏡等級先可以睇到。佢有50億年命[1]。
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