Globular Cluster Can Bring Breakthrough In Search For Mid-Size Black Hole

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Black Hole is always a subject of research for the space scientists. If it is about the midsize, then the interest increases thousand fold.

The Marshalltown reports that usually there are two types of black holes exist in the space. One is small and another is super massive. But the researchers believe that there must be a midsize one.

The mass of the small black hole is comparable to the sun and the supermassive is weighing billions of Suns. The researchers tried their best, but can't find out the middleweight. This time they can bring a successive breakthrough with their search study.

 A black hole is a specific place with extreme gravitational force. Usually, the astronomers can identify it with the X-rays coming out from a hot disk material. Supermassive one also has the gravitational effect on the nearby stars.

Now researchers are trying to discover many other probable black holes of the mid-size. The Harvard astronomers are trying to find out them. Bulent Kiziltan, the lead author of the Harvard-Smithsonian Center for Astrophysics or the CfA, has already revealed about the mission of the study related to it.

Bulent Kiziltan said that they try to find the "intermediate-mass black hole" as it is the key missing link between the stellar-mass one and the supermassive one. He has even opined that it can be present in the centers of galaxies. The research team has mainly focused on a specific globular cluster.

The name of that cluster is 47 Tucanae, which can be located in the constellation Tucana. The constellation is 16,700 light-years away from the Earth and it can be helpful to discover a hidden black hole. The constellation is visible through naked eyes as it contains a great number of stars and two-dozen pulsars.

Previously, several researchers investigated the constellation Tucana but failed to produce any positive result. This time the researchers have gathered two pieces of evidence that indicate the existence of the midsize black hole. CfA reports the whole story.

The motion of the stars throughout the globular cluster is the first indicator of the existence of the "intermediate-mass black hole". The dense cluster contains a huge number of stars and has the big one in the center and this big one stirs other stars with the gravitational force like a spoon. The second indicator is the pulsars.

The pulsars emit radio signals and the astronomers can detect them. The black hole gravity can easily fling these objects and they remain far from the center. The gravity effect creates an indirect opportunity to observe the black hole.

Bulent Kiziltan thinks that this black hole has the mass that is equal to 2,200 solar masses. This volume must be perfect to contain the midsize one. People are now waiting to see the next development.