{"id":18572,"date":"2014-10-16T12:00:00","date_gmt":"2014-10-16T12:00:00","guid":{"rendered":"https:\/\/dev.inrs.ca\/formation-and-large-scale-confinement-of-jets-emitted-by-young-stars-elucidated\/"},"modified":"2020-12-09T15:15:37","modified_gmt":"2020-12-09T20:15:37","slug":"formation-and-large-scale-confinement-of-jets-emitted-by-young-stars-elucidated","status":"publish","type":"post","link":"https:\/\/dev.inrs.ca\/en\/news\/formation-and-large-scale-confinement-of-jets-emitted-by-young-stars-elucidated\/","title":{"rendered":"Formation and large scale confinement of jets emitted by young stars elucidated"},"content":{"rendered":"\n

An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by young stars\u2014one of the most fascinating mysteries of modern astronomy. Using a patented experimental device and large-scale numerical simulations, the team obtained data consistent with astrophysical observations. The results of this research\u2014just published in the prestigious journal Science<\/a><\/em>\u2014open up new opportunities for studying the role of magnetic fields in astrophysics and thermonuclear fusion.Bruno Albertazzi, a doctoral student in the energy and materials sciences program at INRS<\/a> (in co-supervision with Ecole Polytechnique en France<\/a>), is the primary author.<\/strong><\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

The team of scientists from France, Canada, Italy, Germany, the United Kingdom, Russia, Japan, and the United States demonstrated that stellar jets can be confined by a large-scale magnetic field aligned with their axis. <\/p>\n\n\n\n

\u201cNot only is it consistent with current astrophysics data, the proposed mechanism helps explain intriguing X-ray emissions that have been observed along the jets by the Chandra space telescope. This same mechanism could be at play in other types of astrophysical jets like white dwarfs, neutron stars, and black holes.\u201d<\/p>INRS professor emeritus Henri P\u00e9pin<\/a>, who took part in the research<\/cite><\/blockquote>\n\n\n\n

As part of the project, the scientists developed a model of the interstellar magnetic field in order to study the plasma jets of emerging stars. They were able to simulate this phenomenon in the lab for the first time using an experimental  platformcombining high intensity lasers and intense magnetic fields. After producing a plasma at a small scale typical of the atmosphere of young stars, the researchers generated a magnetic field representative of the interstellar environment inside a few cubic centimetres for a few millionths of a second. Supercomputers were then used to model emerging young stars as well as the laboratory experiment. These simulations confirm the key role of interstellar magnetic fields in creating, accelerating, and directing the jets that travel astronomical distances.<\/p>\n\n\n\n

About the article<\/strong><\/p>\n\n\n\n

The article appearing in<\/em>Scienceon October 16, 2014, is entitled \u201cLaboratory formation of a scaled protostellar jet by coaligned poloidal magnetic field.\u201d The research was carried out by teams at Institut national de la recherche scientifique (\u00c9nergie Mat\u00e9riaux T\u00e9l\u00e9communications Research Centre<\/a>, Qu\u00e9bec City), Laboratoire pour l’utilisation des lasers intenses (LULI, CNRS\/Ecole Polytechnique, France), Laboratoire d’\u00e9tude du rayonnement et de la mati\u00e8re en astrophysique et atmosph\u00e8res (LERMA, CNRS\/Observatoire de Paris\/Sorbonne Universit\u00e9s UPMC\/Universit\u00e9 de Cergy-Pontoise\/ENS Paris, France), and Laboratoire national des champs magn\u00e9tiques intenses (LNCMI, CNRS, France).Twenty-nine researchers from Europe, Asia, and North America contributed to the project.<\/em><\/p>\n\n\n\n

Funding: French National Research Agency, NSERC, \u00cele de France region, Triangle de la Physique-Saclay, NSF, Ministry of Education and Science of the Russian Federation.<\/em><\/p>\n\n\n\n

DOI: 10.1126\/science.1259694<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by young stars\u2014one of the most fascinating mysteries of modern astronomy. Using a patented experimental device and large-scale numerical simulations, the team obtained data consistent with astrophysical observations. The results of this research\u2014just published in […]<\/p>\n","protected":false},"author":1,"featured_media":38212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[688],"tags":[],"sectors":[735],"class_list":["post-18572","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innover-a-linrs-en","sectors-energie-en"],"acf":[],"yoast_head":"\nFormation and large scale confinement of jets emitted by young stars elucidated | INRS<\/title>\n<meta name=\"description\" content=\"An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" 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