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<strong>Be</strong>/X射线双星<br />
目前在银河系114颗HMXBs中发现的<strong>Be</strong>/X射线双星的数目为38;<br />
在麦哲伦星云中发现的<strong>Be</strong>/X射线双星系统的比例更高,70/128。<br />
<strong>Be</strong>/X射线双星光学伴星<br />
的光谱谱型和单独<strong>Be</strong>型<br />
的分布不同:<br />
Single <strong>Be</strong> Star<br />
<strong>Be</strong>/X