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The Mexican researcher of the European Southern Observatory l (ESO), Joel Sánchez Bermúdez, won the award for the reconstruction of a more beautiful and accurate astronomical image. The picture was taken with his team, formed by the Spanish Antxón Alberdi and Rainer Schödel; the prize was awarded to the Congress of the Society of Photo-Optical Instrumentation Engineers (SPIE) .
The purpose of the interferometric image competition is to test the software and the methodological capabilities for the reconstruction of interferometric images in the infrared spectrum.
The reconstruction of this type of images is fundamental in modern astronomy to understand the phenomena that occur every day in the universe.
The dynamic of the competition is that expert teams and participants from around the world receive a series of data obtained from the simulations made by the organizers according to the parameters of the instruments and telescopes.
The image (in false colors) shows the central star with an elongated disk of dust with asymmetrical brightness, in which is a planet in formation Photo: Joel Sáncez ] [19659003Fromtheretheequipmentprocessestheinterferometricdataandcreatesanimageaccordingtothedatathatitchoosesasthewinner
The image of the Mexican recreates a central star with an elongated powder disc and an asymmetrical brightness. , with a planet in formation, this type of young stars is common in the universe and it is thought that the Sun and the solar system had a similar training process.
"This competition serves as a reference to establish the limits and scope of the technology that exists in the field of infrared interferometry," said Joel Sánchez Bermúdez in an interview at the news agency National Council of Science and Technology (Conacyt).
He added that In the image, the physical parameters of the observed object must be delivered, that is why experts from Cambridge Universities Lyon and Louvain have been required.
The competition is held every two years from 16 years ago, in previous editions, teams and researchers have reconstructed images of stars, star clusters , discs around stars and planets from interferometric data
Astronomical interferometry is an observational technique allowing astronomers to observe with as much detail as possible of stars and galaxies, this technique also makes it possible to combine two or more telescopes at the same time to observe an astronomical object.
"For an interferometer like Very Large Telescop and Interferometer, located In the Atacama Desert in Chile, the level of detail achieved is equivalent to seeing a five peso coin on the surface of the Moon, "he explained.the researcher
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This is the second time that Joel Sánchez Bermúdez is the winner of this contest, for which he was placed as one of the world's most renowned reconstructive astronomers for the quality and precision of his work.
The first time was in 2014 and he was still a doctoral student. [19659003] In this edition of the co At the same time, international specialists have had to reconstruct from interferometric data. star in formation with a dust disk and a planet.
The specialist's research line is based on the analysis of interferometric data for the study of large-mass stars, which are the stars that produce virtually all the ingredients of which is made the universe, so that they acquire a particular relevance to study all the astronomical phenomena.
interferometry is important to understand their evolution and its effect on the chemical evolution of galaxies. "
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