XTE J1118+480
A black-hole X-ray binary found in outburst in 2000.
XTE J1118+480 (KV Ursae Majoris) is a low-mass X-ray binary in Ursa Major. It is a soft X-ray transient that most likely contains a black hole and is probably a microquasar.
The Rossi X-Ray Timing Explorer found it when it went into outburst on 29 March 2000, and most of what is known about it comes from that event. Its compact object is too massive to be a neutron star, and its companion star is unusually rich in metals.
Quick Facts
- Type
- X-ray binary (black hole candidate)
- Constellation
- Ursa Major
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