Sylvie Vauclair Explained

Sylvie Vauclair
Birth Name:Sylvie Denise Juliette Gueudet
Birth Date:March 7, 1946
Birth Place:Saint-Germain-en-Laye, France
Thesis Title:Diffusion et abondance des éléments légers dans les étoiles
Thesis Url:https://www.worldcat.org/title/27644947
Thesis Year:1975
president, Société Française d'Astronomie et d'Astrophysique
Website:http://sylvievauclair.com/

Sylvie Vauclair (born on March 7, 1946, in Saint-Germain-en-Laye) is a French astrophysicist (at the Institut de Recherche en Astrophysique et Planétologie), and professor emeritus (at the Toulouse III - Paul Sabatier University), where she taught for more than 30 years. She also taught for a decade at the Paris Diderot University. She has served as president of the Société Française d'Astronomie et d'Astrophysique.[1]

Biography

After two theses under the direction of Hubert Reeves[2] [3] and then Evry Schatzman, her scientific work first focused on the formation and evolution of the chemical elements that make up matter in the universe: sun, stars, primordial universe.[4] [5] She particularly studied the importance of the selective diffusion of atoms in stellar conditions and its consequences for their structure and evolution. She has shown the repercussions of these processes on the evolution of matter in the Universe since the Big Bang.

She has made important contributions to helioseismology and asteroseismology by studying the influence of the detailed internal chemical composition on the observed frequencies. In particular, she studied the vibrations of several central stars of planetary systems to determine their precise parameters. In 2004, she participated in the discovery of the smallest known planet around the star Mu Arae.[6] She is responsible for the discovery that the star Iota Horologii in the middle of the Hyades star cluster, observed in the Southern Hemisphere.[7] [8] [9] [10]

An international symposium was held in her honor in 2013, on the topic of interactions between microscopic (atomic) and macroscopic (hydrodynamic) phenomena occurring in stars. This is a subject to which she has contributed a lot during her career, with the aim of better understanding the structure and evolution of stars.[11]

Vauclair is also a musician. She is interested in the relationship between philosophy, art and science and participates in many transdisciplinary events and in social debates.[12] [13] [14]

Awards and honours

Distinctions

Selected works

Textbooks

See also

Notes and References

  1. Web site: Biography . Sylvie Vauclair website . January 24, 2023 . fr-FR.
  2. News: Decorse . J.-M . Toulouse. Les astronomes tirent des plans sur la comète . January 24, 2023 . ladepeche.fr . September 8, 1999 . fr.
  3. News: Philippe . Emery . Toulouse. Hubert Reeves et Sylvie Vauclair : la tête dans les étoiles . January 24, 2023 . ladepeche.fr . September 9, 1999 . fr.
  4. News: Pierre . Barthelemy . Sylvie Vauclair, chanteuse d'astres . January 24, 2023 . Le Monde.fr . September 11, 1999 . fr.
  5. News: Leglu . Dominique . La voix lactée de Sylvie Vauclair.Pour l' astrophysicienne musicienne, art et science ouvrent sur l'infini. . January 24, 2023 . Libération . September 14, 1999 . fr.
  6. News: La Terre se découvre une lointaine cousine . January 24, 2023 . L'Humanité . August 28, 2004 . fr.
  7. News: Baldwin . Emily . The drifting star . January 24, 2023 . Astronomy Now Online . archive.wikiwix.com . April 16, 2008.
  8. Web site: Iota Horologii . www.solstation.com . January 24, 2023.
  9. News: The Drifting Star – Astronomers 'listen' to an exoplanet-host star and find its birthplace . January 24, 2023 . www.eso.org . April 15, 2008 . en-us.
  10. Web site: ESO Telescope Bibliography – The exoplanet-host star ι Horologii: an evaporated member of the primordial Hyades cluster . telbib.eso.org . January 24, 2023.
  11. Web site: New advances in stellar physics: from microscopic to macroscopic processes . www.roscoff.univ-montp2.fr . January 24, 2023.
  12. News: Dossier . January 24, 2023 . La Croix . January 29, 2004 . fr-FR.
  13. News: Tempête citoyenne sur la science . January 24, 2023 . L'Humanité . May 3, 2004 . fr.
  14. Web site: Sylvie Vauclair . Huffington Post . web.archive.org . January 24, 2023 . en.
  15. Web site: Décret du 13 juillet 2009 portant promotion et nomination . www.legifrance.gouv.fr . January 24, 2023 . fr.
  16. Web site: Décret du 15 mai 2015 portant promotion et nomination . www.legifrance.gouv.fr . January 24, 2023 . fr.

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