獵戶座OB1星協
獵戶座OB1星協是一個包含數打光譜類型為0和B型的熱巨星集團。星協是由數千顆低質量恆星,和一定數量的原恆星 (規模較小但重要的)。它是巨大的獵戶座分子雲團的一部分。由於相對的接近和複雜性,使他成為受到最密切研究的OB星協[1]。
參考資料
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