According to the researchers, the event took place more than 10 times longer than any other known as events.
Comics coming out frenzy still takes place in the Galaxy 1.8 billion light years from Earth, astronomers say that supermassive black holes grow in an "unusually high".
Researchers have detected unusual objects that use data from the Chandra x-ray Observatory and NASA'S Swift satellite, as well as ESA PARTAIKU.
Observations revealed evidence of "tidal disruption event" (EFT), in which the black hole's gravitational waves of troops, destroying objects that come too close.
The debris is then projected outward at high velocity, while the rest fell into the black hole.
The surrounding material heats up to a few million degrees, as it moves towards the black hole, creating a beacon above the x-rays.
"We are witness to the spectacular and prolonged loss of a star," said Lin Dacheng University New Hampshire.
"Dozens of tidal disruption event has been detected sings of the 1990s, but there is nothing to live for almost like this one."
In this particular case, the brightness extends over time, for more than 10 years of extraordinary length.
According to the researchers, this means it is one of the most massive stars ever to be ripped out in transparent data encryption or in the first case in which a small star really is torn apart.
First of all, the source of x rays which contains a black hole, named XJ1500 + 0154, detected in observations of PARTAIKU on July 23, 2005.
He then reaches maximum brightness in the observation of Chandra, June 5, 2008-and it's at least 100 times more light to x-ray.
This object is located in the centre of its Galaxy, where researchers will usually expect to find a supermassive black hole.
And the data shows the influence of the material around the black hole is constantly exceeded, Eddington.
"For most of our time looking at these objects, has experienced rapid growth," said co-author James Guillochon Harvard-Smithsonian Center for Astrophysics.
"This tells us that something unusual, like a star two times heavier than the sun-baked into a black hole."
The researchers said new understood that supermassive black holes can grow beyond the Eddington limit could help explain a number of cosmic mysteries, such as the way in which objects that can reach out to the masses about a billion times more than the Sun when the universe was still young.
"This event shows that black holes can actually develop with unusually high prices," said co-author Stefanie Komossa QianNan Normal University for the nation.
'This can help you understand how the early black holes came to be. '
The team expects that the food supply of the black hole will decrease over the next decade, causing XJ1500 + 0154 low light intensity of x-rays.
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