A large number of stars are born in the center NGC4383where a unique galaxy is located 74 million light years It is located beyond the constellation Coma. The largest lose mass through powerful winds over their lifetime, eventually exploding into violent supernovae. These stellar winds and supernovae drag away some of NGC 4383's gas reservoir. The bright red filaments indicate hydrogen gas ejected at least 20,000 light-years from the galaxy. This process controls the rate at which stars form within the galaxy, as this gas is carried away from the galactic center rather than remaining to form the next generation of stars.
watt other. We mapped the chemical composition and motion of NGC 4383's outflow in detail, providing insight into the mechanisms that caused the dramatic outflow seen in this image from ESO's Very Large Telescope.Image credit: ESO / Watts other.
Gas outflow is important for controlling the rate and duration at which galaxies continue to form stars.
The gas ejected by these explosions can pollute the space between stars within galaxies and even between galaxies, becoming permanently suspended in the intergalactic medium.
Dr Adam Watts, an astronomer at the University of Western Australia's node at the International Radio Center, said: “This outflow is the result of a powerful stellar explosion at the center of the galaxy, potentially spewing out huge amounts of hydrogen and heavy elements. There is a gender,” he said. Astronomical Research (ICAR).
“The mass of gas released is equivalent to more than 50 million suns.”
“Spills are very difficult to detect, so very little is known about the physics of spills and their properties.”
“The ejected gas is extremely rich in heavy elements, providing a unique insight into the complex process by which metals mix with hydrogen in the ejected gas.”
“In this particular case, oxygen, nitrogen, sulfur and many other chemical elements were detected.”
astronomers are muse (Multi-unit Spectroscopic Explorer) Turn on the instrument ESO's super large telescope (VLT) Created a high-resolution map of NGC 4383 in northern Chile.
Data were collected as part of VLT/MUSE's larger program MAUVE (MUSE and ALMA Unveiling the Virgo Environment).
“We designed MAUVE to investigate how physical processes, such as gas outflow, help stop star formation in galaxies,” said West, also at the International Center for Radio Astronomy Research (ICRAR). said Professor Barbara Catinella of the Australian University of Nord.
“NGC 4383 was our first target because we thought something very interesting might be happening, and the data exceeded all expectations.”
“In the future, we hope that MAUVE's observations will reveal in great detail the importance of gas outflow in the local universe.”
team's paper Published in Royal Astronomical Society Monthly Notices.
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Adam B. Watts other. 2024. Mauve: A 6 kpc bipolar outflow launched from NGC 4383, one of the most Hi-rich galaxies in the Virgo cluster. MNRAS 530 (2): 1968-1983; doi: 10.1093/mnras/stae898
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