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They're not Argentineans around the world, they're... Argentineans through the galaxy! In this note we tell you the story of these two professionals who give us invaluable knowledge for the advancement of mankind. This is a discovery that seems to get closer and closer to the certainty that we are Infimently small in a giant universe and plagued with galaxies.
Due to the gas, dust and stars of our galaxy, it becomes difficult to see what is behind the milky way, mainly in the brightest region. However, suspicion and curiosity drives all researchers to generate hypotheses and theories around what lies behind the milky way. While there are already millions of galaxies observed in the rest of the sky, were only known with certainty and security only tens. But thanks to the work of the astronomers and researchers, Maria Victoria Alonso and Laura Baravalle —together with a team from the University of La Serena in Chile and the collaboration of Carolina Villalón and Darío Graña in the systems area — we managed to know even if it is a little bit more the galaxy we inhabit.
The Cordovan Laura Baravalle and Maria Victoria Alonso led the international project of Institute of Theoretical and Experimental Astronomy (IATE). With his discovery they managed to establish the positions, colors, morphology and size of new galaxies . The two of them and their insurmountable brains discovered more than 5 thousand galaxies.
Researchers started the project in 2012 and, after almost a decade of work, they managed to identify 5,563 galaxies, of which only a few dozen had been previously recognized. Baravalle and Alonso's work was carried out with a team from the IATE and scientists from the Catholic University of Chile, the University of La Serena and Atacama in Chile. The results, meanwhile, were presented in the Monthly Notices of the Royal Astronomical Society.
In the first part of the study, galaxies were detected by eye, but then generated an algorithm for them to be detected automatically. That is, during these years of research, a working team was formed for the technical part, while they were in charge by observation detect and verify the various galaxies and stars.
“From a girl I had a scientific vocation” , Baravalle tells the media. Although he also states that The astronomy career wasn't easy for him. His secrets were the dedication, patience and also the CONICET scholarships which encouraged her to achieve a rewarding result in the personal and enriching astronomical matter at the global level.
The cosmic and galactic duo already carries 4 international scientific publications on this subject. Their training, knowledge, vocation and dedication are on par with some scholars who since the 90s have been investigating the same region. The challenge for which astronomers continue is to know in depth the galaxies they have discovered.
“In the optician, before you could not see the objects behind our galaxy. People who do extragalactic astronomy study the whole sky except that area. So, the realization of this catalog is a very important fact ” said Alonso, a CONICET researcher and professor at the National University of Córdoba.
Baravalle, who dedicated his thesis on Bachelor's degree, doctorate and postdoctoral to this project, he added: “Also, as a result, the first thing we get are numbers that indicate positions, but when we're going to see the picture and a galaxy appears, it's amazing Out of the whole process, an object comes out there and no one saw! It's the most beautiful part,” he concluded.
After eight years of work, the researchers Cordobesas have opened the doors for new analysis in that unexplored region of heaven. Hereafter, researchers plan, among other things, to continue with machine learning methods. The idea is that they replace the task of visual inspection of galaxy candidates and observe galaxies found with other telescopes, so that they can estimate their distance and so on to deepen the studies of its distribution.
Publication Date: 21/03/2021
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Excelente artículo y muy bien documentado con los link... Gracias!!!
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