X-ray study of NGC 2451 A and B.
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We have conducted a detailed study of the object NGC 2451, which actually consists of two different open clusters A and B along the same line of sight at 206pc and 370pc...
我们针对天体NGC 2451开展了详尽的研究，该天体实际上由两个不同的疏散星团（open cluster）A与B组成，二者处于同一条视线方向上，距离分别为206秒差距（parsec）与370秒差距……
