Vela X Confusion
Note that this object has often been called Vela X, for reasons that appear historically unclear. Because of the possible confusion with Vela X-1 (= 4U 0900-40), a very different kind of object that happens to lie nearby, referring to it as either "Vel X" or "Vela X" seems inadvisable.
Read more about this topic: Vela Pulsar
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