Astronomers at the National Science Foundation’s NOIRLab have made the first confirmed detection of the following star system. One day, Kironova was formed, A super-powerful, gold-producing explosion produced by the merger of neutron stars.
Researchers said Tuesday they have discovered the first example of a staggeringly rare type of binary star system using data from the SMARTS 1.5-meter telescope at the Cerro Tololo Interamerican Observatory in Chile. The findings are published in the journal Nature.
This arrangement, known as CPD-29 2176, is surprisingly rare, with only about ten such systems thought to exist in the Milky Way galaxy.
CPD-29 2176 lies about 11,400 light-years from Earth and was first identified by NASA’s Neil Gerrell Swift Observatory.
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Chile’s SMARTS 1.5m telescope
(Rodrigo Hinojosa)
moreover Observing with a telescope, scientists have been able to deduce the orbital characteristics and the types of stars that make up this system. It is a massive star. itself.
Supernova A supernova is the end-of-life explosion of a massive star that has had much of its outer atmosphere stripped away by a companion star.
An artist’s impression of the first confirmed detection of a star system that would one day form Kilonova – a super-powerful, gold-producing explosion created by the merger of neutron stars.
(Noir Lab)
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“Modern neutron stars must form without ejecting their companions from the system. Supernova supernovae are the best explanation for why these companions are in such narrow orbits.” Aviation College said in a statement. “To make a kilonova one day, the other star must also explode as a supernova supernova. Neutron stars may eventually collide and merge. ”
This long-exposure photograph shows nighttime star motion above the Blanco 4-meter telescope (left) and the SMARTS 1.5-meter telescope (right) at the Cerro Tololo Interamerican Observatory in Chile.・Infrared Astronomy Laboratory.
(Credit: CTIO//NOIRLab/NSF/AURA/D. Munizaga)
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It takes at least one million years for a massive star to end its life as a giant supernova explosion, leaving behind a second neutron star. The authors say the stellar remnant and the existing neutron star must be pulled together before they can merge, and the resulting kilonova explosion will produce much more powerful gravitational waves, releasing large amounts of heavy elements, including silver and gold. He pointed out that he would leave it.
