Skip to main content

Three such supermassive black holes have been discovered, which are merging with time.

 


Researchers have discovered three such supermassive black holes in the Universe, which are merging over time, the researchers believe, this event can lead to the formation of a triple active galactic nucleus. The new discovery has revealed that the compact region at the center of a galaxy, which is radiating a greater amount of luminosity than normal, means that there are no supermassive black holes.


Supermassive black holes are not observable, but we can detect them from clusters, when the surrounding dust and gas collapsed into the supermassive black hole, some of the mass was swallowed up by the supermassive black hole, and some of it as energy.  It is converted into form, and is also emitted in the form of electromagnetic radiation, which makes the black hole appear very bright.


A team of researchers from the Indian Institute of Astrophysics including Jyoti Yadav, Moushumi Das and Sudhanshu Barve, along with François Combs from the Collge de France, Chre Galaxies et Cosmology, Paris, studied a pair of known interacting galaxies, NGC 7733 and NGC 7734. While studying, the team discovered that there is an unusual emission from the center of NGC7734 and a large, bright cluster along the northern arm of NGC7733. When the team of researchers examined the galaxy cluster NGC7733, they discovered that a small  The Milky Way, which is moving at a different speed than NGC7733.  This shows that the group is a small galaxy called NGC7733, its researchers named NGC7733N.


The study, published in the journal Astronomy and Astrophysics, used data from India's first AstroSat space observatory, the European Integral Field Optical Telescope, called MUSE, the Very Large Telescope (VLT) and the Ultraviolet Imaging Telescope (UVIT).


The UV and H-alpha images also support the presence of a third galaxy, which could have been formed by the merger of NGC 7733N with a larger galaxy. According to the researchers, each galaxy harbors an active supermassive black hole at its core, forming a very rare triple AGN system.


The main reason for influencing the evolution of galaxies is the interaction of galaxies, this action occurs when two galaxies come close to each other, due to which there is a tremendous gravitational force in both of them. When two galaxies come close to each other, then the supermassive black holes of these two galaxies come close to each other, then there is a tremendous gravitational force. When the double black hole begins to consume gas from its surroundings, a double AGN is formed.


The IIA team says that when two galaxies collide, their black holes will also come closer, and transfer kinetic energy to the surrounding gas. As the distance between black holes decreases over time, it decreases until the separation is approximately one parsec (3.26 light years). When two black holes get even closer, they cannot lose much kinetic energy to merge.


The presence of a third black hole could solve this problem, DST says, that the two merging black holes can transfer their energy to the third black hole, and at the same time merge into each other.  Researchers have detected several AGN pairs in the past, but triple AGNs are extremely rare for researchers, with only a few detected before using X-ray observations. The IIA team expects the latter, these triple AGN systems to be more common.



Comments

Post a Comment

Popular posts from this blog

James Webb Space Telescope Opens New Frontiers in the Search for Life Beyond Earth.

  This image illustrates a science-based artist’s impression of K2-18 b, a potentially habitable exoplanet 120 light-years away, orbiting a cool dwarf star in its habitable zone. NASA’s James Webb Space Telescope (JWST) is revolutionizing the search for life beyond our solar system, offering humanity its most detailed look yet at distant, potentially habitable worlds. With its extraordinary infrared capabilities, Webb is not only detecting atmospheres on small rocky exoplanets but also probing their chemical makeup in search of biosignatures—clues that could hint at the presence of life. However, scientists caution that context is everything. Atmospheric data alone is not enough to confirm life; understanding a planet’s surface, interior, and broader environment is essential. Even detecting a potential biosignature, such as a gas possibly produced by biological processes, doesn’t equate to discovery. Multiple, independent lines of evidence would be needed to confirm such a find. “F...
Post a Comment
Read more

Webb Telescope Reveals Tangled Rings and Dusty Chaos in Dying Star System NGC 1514.

  NASA’s James Webb Space Telescope has captured the most detailed image yet of planetary nebula NGC 1514, revealing clumpy dust rings and clear holes in its vibrant pink core using mid-infrared light. A dying star’s final performance has been brought into sharp focus by NASA’s James Webb Space Telescope, revealing a cosmic display of tangled rings, drifting dust, and mysterious holes in the planetary nebula NGC 1514. This mesmerizing structure lies about 1,500 light-years away in the constellation Taurus and has been evolving for at least 4,000 years. At the heart of the nebula are two tightly bound stars, orbiting each other every nine years, their light diffracted in Webb’s images like a celestial jewel. While the stars appear as one in mid-infrared light, they are central to the nebula’s complex architecture. One of these stars, once several times the mass of our Sun, ejected its outer layers in a slow, dense stellar wind as it aged. The other star’s close approach may have twi...
Post a Comment
Read more

Depiction of the bipolar planetary nebula by the Hubble telescope.

About 32,000 light-years from Earth is a bipolar planetary nebula, known as M1-63, located in the small southern constellation of Scutum. Astronomers believe that such a nebula is formed when the star in its center sheds a large amount of material from its outer layers, leaving a brilliant cloud of gas and dust. At the center of the dipole nebula is a binary system of stars, capable of forming butterfly-like shapes. This is because the material of the shedding star is funneled towards its poles, with the help of a companion, the nebula forms a typical double-lobed structure, such as M1-63. NASA / ESA Hubble Space Telescope filters image M1-63 through F200W, F350W, F502W, and F814w, new image of M1-63 shows ultraviolet, near-infrared and optical parts of the spectrum in Hubble's wide field. This is illustrated with the help of Camera 3 (WFC3) comments.
1 comment
Read more