New Black Hole Discovered

NASA’s Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the presence of a previously unknown stellar-mass black hole. Neil Gehrels, principal investigator at NASA’s Goddard Space Flight Center in Greenbelt said:

Bright X-ray novae are so rare that they’re essentially once-a-mission events and this is the first one Swift has seen. This is really something we’ve been waiting for.

An X-ray nova is a short-lived X-ray source that appears suddenly, reaches its emission peak in a few days and then fades out over a period of months. The outburst arises when a torrent of stored gas suddenly rushes toward one of the most compact objects known, either a neutron star or a black hole.The rapidly brightening source triggered Swift’s Burst Alert Telescope twice on the morning of September16, and once again the next day.

This new Black Hole has been named Swift J1745-26 after the coordinates of its sky position

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