Vela X-1

Vela X-1, also known as 4U 0900-40 , is a X-ray pulsar type neutron star located in the constellation Vela. Neutron stars are much too small and faint to view in any but the world's largest telescopes.

Name:Vela X-1
Designation:4U 0900-40
Type:X-ray pulsar
Distance:6200 light years
Companion:HD 77581