A team led by Indian scientists found X-ray signatures around black holes | India News

A team led by Indian scientists found X-ray signatures around black holes | India News

New Delhi: A team of international scientists, led by Indians, has found a specific signature of cosmic X-rays to mark the boundary around black holes, which is similar to other objects in the universe. Neutron “separates” them from the stars. There are comparisons in mass and size.
According to astronomers, including Sudd Bhattacharya of the Tata Institute of Basic Research (TIFR) in Mumbai, the current discovery is the strongest stable signature of a smaller, but more sophisticated black hole than the cosmic X so far. – Observed with a satellite.
Scientists say that although black holes do not have a surface, they are limited to a hidden limit, called the horizon, from which nothing, not even light, can escape.
Although the ultimate proof of the existence of such an entity is a sacred mill of modern physics and astronomy, he said that the mass of the sun has so far only 6 in a single supermassive black hole radio using ambient radiation. More than a billion times. Wavelength
But according to the study, which was accepted for publication in the Royal Astronomical Society’s monthly Notice journal, understanding the massive black holes in darkness, which are ten times larger than the Sun, investigated some extreme aspects of the universe. Are indispensable for.
To prove the existence of these stellar massive black holes, the researchers said, they needed to be distinguished from neutron stars, which are one of the most well-known objects in the universe.
Although stable stellar massive black holes emit material from a fellow star, they shine primarily on X-rays, the study found that neutron stars similarly collect matter from a fellow star in X-rays. Can shine
In the present study, scientists have now analyzed the archive data of the rejected astronomical satellite Rasi X-ray Timing Explorer, and pointed out the effect of the sharp reduction in black holes on the X-ray emissions they observed.
From this analysis, they have found a very strong signature of stellar mass black holes.
“This study found the strongest stable sign of black holes ever smaller than the cosmic X-ray observed with a satellite, but even more perfect.”

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