It is likely that the companion star in47 Tuc W- a normal star with a mass greater than about an eighth that of the Sun- is a new partner, rather than the companion that spun up the pulsar.

• 向中子星奔去的物质缓缓地加快着中子星的旋转，如同小孩玩的旋转木马，每当转过来时就推它一把，它就会越转越快。