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Astronomers in the regime, Ansky, calls in the galaxy in the middle of this image, a habitat for a series recently discovered from the semi -Persian explosions. | Credit
A star in a far galaxy is sent to a vortex of perishing, over and over again through a hot gas disk surrounding the black hole and firing strong X -ray machine guns in this process. Soon, it will be torn.
This is an assessment of what is going on in the heart of A. Galaxy About 300 million Light years It is called LEDA 3091738, where a giant black hole is called “ANSKY” by a low -block object.
The name was derived from the official Black Hole name of the ZTF10ACNSKY, as it was monitored by the Zwicky Transient facility on the Samuel Oceen telescope at the Palomar Observatory, California in 2019.
Now, the new results appear that ANSKY is like X -rays almost every four and a half days, and that every haven lasts for a day and a half before he dies down and the cycle is expected to start again. Astronomers call these flames “semi -semi -explosions”, or qps. So far, only eight sources have been discovered universeAnd Ansky produces the most active bangs of these eight.
These new results thanks to a team led by Joheem Chakraborty, a student doctorate at the Massachusetts Institute of Technology, using the internal neutron composition Explore International Space StationIn coordination with the European Space Agency XMM -newton X -ray space.
Chairreborte said in A. statement. “One of the most interesting aspects is its semi -Persian nature. We are still developing the methodologies and frameworks that we need to understand the causes of Qpe, and the unusual Ansky properties help us improve these tools.”
Thus, we slowly establish a picture of why Ansky produces X -ray torches.
A more beautiful tool on ISS. | Credit: NASA
the The superior black hole Participate in the limits of a million Make up. It is surrounded by the so -called accumulation disk, and it is the hot gas axis revolving around Black holeWaiting to consume. At the same time, the lower mass object, most likely a starIt rotates near the black hole and is periodically confiscated through the accumulated disk. As it does, shock waves are ripped through Torus and heating the closest gas to the star entry point. This hot gas should come out by the star, causing clouds from the huge expanded materials from the material to space. It is the heating of this substance emitted from the disk that produces the qps.
Lorina Hernandez-Garcia of the nuclei of the millennium, both in the research and technology of transverse to explore the super black holes (routine) and the University of Valbresso, both in Shilzo, both in Chile: “In most QPE systems, the super-star black hole is likely to cut the star, which creates a small tablet very close to himself.” Hernandez Garcia was the one who led astronomers to discover Ansky in 2019. “In the case of Anasky, we believe that the disc is much larger and could include farthest things, creating the long periods of time we notice.”
The Chakraborty Ansky team watched with the most beautiful 16 times a day between May and July of 2024, and follows the patrol of the explosions and monitors any changes in that patrol. After adding XMM -newton data to fill any gaps, what they discovered is bad news for the star.
The tropical energy of the star provides a sufficient juice to heat the gas in the disc, then expel a quantity of equivalent materials Jupiter Bloc In speeds up to 15 % of Light speed. Every time the star plows through the disk and produces Qpe, it loses some tropical energy, which leads to its approach to the black hole.
Assuming that the star has the same block sunThen it takes 400 Qips – extends about 2000 days, or 5 to 6 years – until it loses all its orbital capacity. This process will reduce its orbit, which leads to the increasingly increasingly qpes, so that the star is dismantled by the tidal forces in the black hole, or merged with it. If the star has a mass larger than our sun, he can stay longer.
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Either way, the deterioration of the orbit of the star, corresponding to a faster rate than QPes, must be evident in the next few years, and the rate in which QPES becomes more frequent astronomers about the accompanying star mass.
“We will continue to monitor Anasky for as long as possible,” said Chairporte. “We are still in the childhood of Qipes. It is an exciting time because there is a lot to learn.”
The most beautiful and XMM -newton will continue to monitor ANSKY, which must ultimately enable a more accurate prediction of the star of the star running out of orbital energy and being destroyed. When this happens, it will make a great power flow and astronomers will be able to see a star that has been dismantled in actual time, from start to finish.
Ansky results were published on May 6 in Astronomical physical magazine.
