2MASX J23453268-0449256 (J2345-0449 for short), a very huge, rapidly spinning, jet lag spiral galaxy with approximately 947 million light years in the Aquarius constellation, a mass of billions of people billions that are billions of times the sun’s, and mounted on a massive radio jet spanning six million light years. This is one of the largest known in any spiral galaxy, and such powerful jets are almost exclusively found in elliptical galaxies rather than spiral, thus covering the conventional wisdom of galaxies’ evolution. It also means that the Milky Way can potentially create similar energetic jets in the future.
This image shows the Spiral Galaxy 2Masx J23453268-0449256 and its huge radio jet. Image credit: Bagchi et al. /Giant Metrure Lave Radio Telescope.
“This discovery is more than just weird. It forces us to rethink the evolution of galaxies and how super-large black holes grow and shape the environment within them,” said Professor Joydeep Baguch of Christ University.
“If spiral galaxies can not only survive, but also thrive under such extreme conditions, what does this mean for the future of our own Milky Way galaxies?”
“Can our Galaxy experience similar high-energy phenomena that have serious consequences for the survival of precious lives within it?”
In a new study, astronomers have unraveled the structure and evolution of the Spiral Galaxy J2345-0449, three times the size of the Milky Way.
Using observations from NASA/ESA Hubble Space Telescope, Giant Metruh Rave Radio Telescope, Atacama’s Large Millimeter/Sub-Millimeter Array (ALMA), and multi-wavelength analysis, we detected the giant ultrafine black holes of its mind and radio jets in the largest radio jets by creating rare galaxies.
Traditionally, scientists believed that such huge, superimpression violent activities would destroy the delicate structures of spiral galaxies.
But for all possibilities, J2345-0449 retains its quiet nature with a well-defined spiral arm, bright nuclear bars and an uninterrupted ring of stars.
In addition to enigma, the galaxy is surrounded by vast halos of hot x-ray exhaust, providing important insights into its history.
This halo cools slowly over time, but the black hole jets act like space furnaces, preventing new star formation despite the abundant star-building materials present.
The authors also found that J2345-0449 contains 10 times the dark matter as the Milky Way.
“Understanding these rare galaxies could provide important clues about the invisible forces that govern the universe, such as the nature of dark matter, the long-term fate of the galaxy, and the origin of life,” says Ph.D. A student at the University of Christ.
“In the end, this research brings us one step closer to solving the mystery of the Cosmos and reminds us that the universe holds surprise beyond our imagination.”
Survey results It was published in Monthly Notices from the Royal Astronomical Society.
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Joydeep Bagchi et al. 2025. Announcing bulge disk structures, AGN feedback and baryon landscapes in a large helical galaxy with MPC-scale radio jets. mnras 538(3): 1628-1652; doi: 10.1093/mnras/staf229
Source: www.sci.news
