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Scientists first directly documented the radioactive molecules in interstellar space
The radioactive part of the molecules was an isotope of aluminum, reported on the official website of the l 39; Observatory of the ESO
The observations showed that the isotope was dispersed in space. two stars, the rest of which is known as CK Chanterelle. This is the first direct observation of radioactive aluminum with an established source: the earlier this isotope was identified by gamma radiation, the source of which has not been reliably established
A group of researchers led by Tomas Kaminsky of the Harvard Smithsonian Astrophysical Center in Cambridge recorded the antenna networks. Millimeter / submillimeter network) and NOEMA (Northern Extended Millimeter Array) radiation source of the radioactive isotope of aluminum-26. This source, originally referred to as CK Chanterelles, was discovered in 1670: it was later described by observers as a bright red "new star". Visibly first to the naked eye, she quickly weakened. 348 years after the observation of the initial event, the study of the residue of this two-star melting, which took place in the form of an explosion, led to a clear and convincing record of radiation from the radioactive isotope of aluminum-26. This is the first convincing record of an unstable radioactive molecule outside the solar system. The first observation of this isotope in a star-shaped object is also important in the broader context of the chemical evolution of the galaxy, for the first time, an active source of radionuclides 26, "Kaminski notes
Kaminskii and his team recorded the unique spectral characteristics of molecules composed of aluminum-26 and fluorine (26AlF) in the remnants of the explosion surrounding the CK Chanterelle. space, these molecules radiate at certain wavelengths in the millimeter range – this process is called a rotational transition.
with the formation of a more stable isotope, during which one of the protons of its nucleus turns into a neutron.At the same time, the disturbed nucleus produces a very high energy photon – a picture on gamma
The observations of the radioactive isotope of aluminum give the opportunity to revisit the event of the merger of the stars that gave birth to the object CK Chanterelles . They also show that the deep, dense interior layers of the star, in which heavy elements and radioactive isotopes are generated, can collide and be projected in space during star collisions. . "We now see star stars broken three hundred years ago." The astronomers determined that the two fused stars were relatively small, with masses ranging between 0.8 and 2.5 solar, the only difference being that the two stars were merged. one of the stars being a red giant The distance to the object is about 2000 light-years away
Photo: ESO
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