PSR B1534+11由两颗相互环绕旋转的中子星组成,其一是周期37.9毫秒的脉冲星。两颗中子星相隔一千秒差距,曾用于检验阿尔伯特·爱因斯坦的廣義相對論理论,结果表明星系的相对论参数与理论预测值误差不超过0.2个百分点。[45]。科学家在星系非脉冲星与赤道脉冲星风交叉时测得X射线排放,还发现星系轨道略有变化[46]。
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