Wednesday, October 24, 2012

A rare explosion of a star discovered a black hole in our galaxy

Astronomers observe a rare type of X-ray stellar explosion near the center of our Milky Way galaxy, discovered a previously unknown black hole (BH), the engrossing gas flowing to it from the nearby sun-like star.

The find was made ​​in the last month, NASA satellite Swift, who noticed a bright X-ray source is a few degrees away from the galactic center of the Milky Way. 

Astronomers have characterized the outbreak as a new X-ray, which occur when the flow of gas is close to a neutron star or a black hole. In contrast to the supernova, the new star is not completely destroyed.

BH is presumed to be at a distance of 20,000 to 30,000 light-years away in the inner region of the galaxy. Astronomers, who identified a new bright X-ray Swift J1745-26 in accordance with its spatial coordinates, say they have recorded a very rare event.

Swift telescope team finds that the black hole is part of the X-ray binary star system light weight, in which the gas flows from the star to the disk formed around the black hole, twisting in a spiral and strong heating of the closer to the center of the black hole.

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