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Message SF2A No 770 - 27/11/17


Message SF2A No 770 - 27/11/17

1. IAU : upcoming deadlines
2. Interstellar filament paradigm : On their formation, evolution, and role in star formation, Nagoya (Japan), November 5-9, 2018
3. Cours d’astrobiologie en ligne

1. IAU : upcoming deadlines

This is a reminder of several upcoming IAU deadlines :

December 15, 2017 : IAU Ph.D. prize. The IAU PhD Prize recognizes outstanding scientific achievement in astrophysics around the world. Each IAU Division has, once a year, the opportunity to award its own prize to the candidate it feels has carried out the most remarkable work in the previous year (i.e. a PhD Thesis which has been defended between the 16 December in the previous year, and 15 December this year). Please make prospective candidates at your institution aware of this excellent opportunity. See https://www.iau.org/science/grants_prizes/phd_prize/ for more information.

December 15, 2017 : IAU Symposia for 2019. Applicants who wish to propose a symposium (and who have submitted a Letter of Intent) should keep in mind that requests for divisional support letters should be send to the relevant Division Steering Committees well before December 15. This will ensure a proper review of the request by the full Steering Committee.

General Assembly Vienna 2018 : there are various deadlines for registration, abstract submission, and grant application for the General Assembly in Vienna in 2018. Early registration closes on January 31, 2018. Abstract submission and grant applications close on Feb.28, 2018. See https://astronomy2018.univie.ac.at/dates-and-deadlines/. We strongly encourage you to submit an abstract for a presentation to the Division Days of the different divisions which will happen on August 24 and 27, 2018. The list of Symposia and Focus Meetings is available on https://astronomy2018.univie.ac.at/programme/.

Transmis par Corinne Charbonnel

2. Interstellar filament paradigm : On their formation, evolution, and role in star formation, Nagoya (Japan), November 5-9, 2018

Scientific Rationale of the conference : Understanding how stars form in the cold interstellar medium of galaxies is a fundamental issue in modern astrophysics. Large scale Herschel and Planck observations of submillimeter dust emission revealed the omnipresence of filamentary structures in the interstellar medium (ISM). The ubiquity of filaments in quiescent clouds as well as in star-forming regions indicates that the formation of filamentary structures takes place before any star formation activity and that it is a natural product of the physics at play in the magnetized turbulent ISM. Moreover, the spatial distribution of star forming cores observed mainly along the densest filaments suggests that the properties of interstellar filaments are a key element defining the initial conditions required for the onset of star formation. Hence, describing in details the filament properties, derived from observations tracing gas and dust in total and polarized intensities, combined with results from realistic numerical simulations as well as analytical calculations, is essential to make progress in our understanding of the physical processes involved in the formation and evolution of interstellar filaments and their role in the star formation process.

Objectives of the conference :
— Filamentary structures result from the interplay between interstellar shock waves, gravity and magnetic field. What is the role of these various processes in the formation and evolution of interstellar filaments ? What is the link between the filamentary structures observed in the atomic medium and those of the molecular clouds ? How do dense, gravitationally unstable filaments fragment into star forming core ? What is the role of filaments in the star formation process ?
— The aim of the conference is to provide an inspiring venue to stimulate discussions between active researchers, with both theoretical and observational expertise, exchanging new findings and ideas related to interstellar filament formation, evolution, and their role in the star formation process.

Further information (website, registration) will be available early 2018.

Transmis par Katia Ferrière

3. Cours d’astrobiologie en ligne

Nous avons le plaisir de vous annoncer le lancement de la première plateforme de cours d’astrobiologie en ligne : « Online courses in astrobiology " : http://astrobiovideo.com/fr/

Cette plateforme présente des cours d’astrobiologie de grande qualité, donnés par des spécialistes internationaux, pour les étudiants travaillant dans ce domaine mais aussi pour tout public intéressé et curieux. Les cours sont disponibles en français, anglais et espagnol (d’autres langues pourront être ajoutées ultérieurement). Ils sont essentiellement à destination d’étudiants en master ou en doctorat, mais ils sont pour la plupart accessibles à un plus large public.

Cette plateforme a été créé dans le contexte du groupe de travail de l’IAU (International Astronomical Union) : « Education and Training in Astrobiology » https://www.iau.org/science/scientific_bodies/workinggroups/EducationandTraininginAstrobiology/

Transmis par Hervé Cottin

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