Tuesday , November 24 2020

Scientists find, thanks to ALMA, the remaining remains when forming the planets | Technology



Scientists discovered thanks to the astronomical installation Aracama Large Millimeter Array (ALMA) the abandoned removal by forming the planets.

Three Chinese servers took part in the international research, all of whom are members of the CATA Center of Excellence in Astrophysics and Associated Technologies. The perception of 20 stars analyzed in the star regions of Ophiuchus and Lupus.

"Thanks to the spectacular decision that ALMA gives us, we could see that the stars form planets in their first stages of life, quickly. In addition, thanks to the data obtained, we could see clearly that this process lets traces "Laura Pérez, a serpentist in the Department of Astronomy Faculty of Physical and Mathematical Sciences at the University of Chile, explained.

The most common traces found were "the circles and to lesser discomfort and sparkling weapons". In particular, Pérez investigated a disk that "showed her nearest part to the star unallocated in relation to the external domain, something that it would be expected to happen only in the presence of a huge planet, something like 10 from Thursdays. "

Another of the results obtained was explained Nicolás Troncoso, a Magister in Science student talks about the FCFM Astronomy of the University of Chile.

"When the stars are born, and the planets are from their scope, interaction with binary partners can have a strong impact on the way in which they are born. planets are born, "he said.

"We had the opportunity to see these interactions for the first time, and we found that the stars worried one another and their protoplanetary disks, exchanging materials swapping and rotating dimensions of the whole Solar System," added the scientist young.

Much work

To achieve this research, there were more than 65 hours of observation of ALMA, 17 servers and 5 country support, producing 10 different scientific publications published in a special edition of the scientific period Astroffysical Journal Letters.

"Since we have the data we work more than 6 months calibrating them, cleaning the effects of the atmosphere, producing the highest quality images possible, and then studying. We possess mathematical models, we feature the structures that appear in the discs of these young stars. Having this type of information was essential in comparison to theoretical simulations, and therefore understand what physical processes occur in the disks "Troncoso explained.

Scientists agree that this perception allows us to find that the larger planets, with dimensions and compositions similar to Neptune or Saturn, are fast; in fact, much faster than current theories are posted. They also tend to form in the vicinity of their solar systems, far from their hosting star

And next step

For Viviana Guzmán, an academics at the Australian Astrophysics Institute at the Chilean Catholic University and the author of one of the papers in this research, the next step is "observing the gas component of these protoplanetic disks. So we have a Big Program of 130 hours of observation, in which we will map the distribution of organic molecules (which include Carbon, Oxygen and Nitrogen), which will allow us to study the initial chemical conditions of these planetary systems. The fall in data, analysis and writing should take about another 6 months.

For more information about the discovery, review the original statement published by ALMA, you can access this link.


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