David Elbaz

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David Elbaz
Born (1966-03-18) 18 March 1966 (age 58)
Paris, France
NationalityFrench
CitizenshipFrench
Alma materJoseph Fourier University
SpousePascale
ChildrenNathan, Gabriel
AwardsChrétien Award (2000)
Prix Jaffé (2017)
Member of Academia Europaea (2019)
Scientific career
FieldsCosmology, Galaxy formation and evolution
InstitutionsFrench Alternative Energies and Atomic Energy Commission
Thesis Origine du fer dans le milieu intra-amas et distribution du gaz X dans les amas de galaxies  (1994)
Doctoral advisorJames Lequeux, Monique Arnaud
Websitehttp://david.elbaz3.free.fr/

David Elbaz is a French observational astrophysicist specializing in galaxy formation and evolution. He is Research Director at the Commissariat à l'Énergie Atomique et aux Énergies Alternatives (CEA-Saclay), where he has been a researcher in the Astrophysics Division (AIM) since 1994. There, he was in charge of directing the "Cosmology and Evolution of Galaxies" laboratory for about a decade. He has been the managing editor of the journal Astronomy & Astrophysics since 2018.[1]

Biography[edit]

Elbaz's grandparents moved to France from Morocco at the beginning of the 20th century. He was born and raised in the Paris area. He attended the École Nationale Supérieure de Physique (ENSPG) in Grenoble, where he obtained an engineering degree in 1990. He completed his PhD in Astrophysics in 1994 at the Université Joseph Fourier in Grenoble with a thesis entitled "Origine du fer dans le milieu intra-amas et distribution du gaz X dans les amas de galaxies".[2] His supervisors were James Lequeux and Monique Arnaud.[3] In 2005, he was awarded an habilitation from the Paris-Sud University.

Elbaz has supervised 14 postdoctoral researchers and 7 PhD students, two of whom received awards for their dissertations: H. Aussel (1999)[4] and C. Schreiber (2015).[5] He has been teaching the Galaxy Evolution[6] course in the Masters program entitled Recherche Astronomie, Astrophysique et Ingénierie Spatiale de Paris since 2005.[7]

Research areas[edit]

Elbaz has made contributions in observational extragalactic astrophysics through space infrared and submillimeter observations.[8] He has been recognized as an ISI Highly Cited researcher[9] by Clarivate Analytics. In 2001, using new data from the Infrared Space Observatory, Elbaz and Ranga Chary produced a suite of galaxy spectral energy distribution templates. Along with the current knowledge of the galaxy redshift distribution, they were able to interpret the cosmic infrared background as being produced to at least 70% level from dust-enshrouded star formation in luminous infrared galaxies.[10] The advent of the Spitzer Space Telescope in 2003 enabled extremely deep observations in mid-infrared. Elbaz and his collaborators analyzed observations from the Great Observatories Origins Deep Survey and demonstrated that the star formation rate of individual galaxies increases due to environmental effects up to a critical galaxy density at redshift one, above which it decreases again, suggesting that galaxy evolution is not independent from structure formation at larger scales in the universe.[11] Five years later, using deep far infrared observations from the Herschel Space Observatory, Elbaz led a study that revealed that most galaxies across cosmic time form stars in two main modes: one placing them in the "main sequence", where their star formation rate correlates tightly with their stellar mass, and the other where the galaxies are more compact and form stars more efficiently departing from this correlation.[12]). More recently, using observations from ALMA, his group discovered[13] a dominant population of optically invisible massive galaxies in the early Universe.[14]

Awards[edit]

Elbaz has received several awards, including:

Administrative duties[edit]

Elbaz's contributions to the international astrophysics' community include:

  • Managing Editor of Astronomy & Astrophysics Journal, 2018–present
  • Member of the ESA SPICA Science Team, 2018–2021[17]
  • Member of the Euclid France steering committee, 2013–present
  • Member of the ESA Astronomy Working Group,[18] 2015–2018
  • President of the International Space Advisory Board for the SPICA satellite for JAXA, 2015–2016

Public outreach[edit]

Elbaz has been interviewed regularly on various topics of modern astrophysics by French media, including "Le Monde",[19] "France Culture",[20] and "Sciences et Avenir".[21] He has written the scenarios and participated in shows that involve science and art that have been presented in various theaters in France,[22][23][24] including:

Elbaz has authored several popular science books:

  • "A la recherche de l'univers invisible: matière noire, énergie sombre, trous noirs",[31] 2016, éditions Odile Jacob; it received the "Prix Sciences et Philosophie" in 2017.[32]
  • "Αναζητώντας το αόρατο σύμπαν: σκοτεινή ύλη, σκοτεινή ενέργεια, μαύρες τρύπες",[33] 2021, Crete University Press
  • "Le vase de Pépi",[34] 2007, éditions Odile Jacob.
  • "...et Alice Tao se souvint du futur",[35] 2010, éditions Odile Jacob.
  • "La plus belle ruse de la lumière",[36] 2021, éditions Odile Jacob

References[edit]

  1. ^ "Astronomy & Astrophysics (A&A)". www.aanda.org. Retrieved 2020-10-28.
  2. ^ Elbaz, David (1994-01-01). Origine du fer dans le milieu intra-amas et distribution du gaz X dans les amas de galaxies (thesis thesis). Grenoble 1.
  3. ^ "Astronomy Tree - David Elbaz". academictree.org. Retrieved 2020-05-30.
  4. ^ "French Physical Society Best PhD Thesis 1999".
  5. ^ Springer Thesis Prize 2015.
  6. ^ "cours galaxies". david.elbaz3.free.fr. Retrieved 2020-05-30.
  7. ^ "Master 2 Recherche". ufe.obspm.fr. Retrieved 2020-05-30.
  8. ^ "David Elbaz - Google Scholar Citations". scholar.google.gr. Retrieved 2020-05-30.
  9. ^ "David Elbaz's Publons profile". publons.com. Retrieved 2020-05-30.
  10. ^ Chary, R.; Elbaz, D. (August 2001). "Interpreting the Cosmic Infrared Background: Constraints on the Evolution of the Dust-enshrouded Star Formation Rate". Astrophysical Journal. 556 (2): 562–581. arXiv:astro-ph/0103067. Bibcode:2001ApJ...556..562C. doi:10.1086/321609. ISSN 0004-637X. S2CID 6728549.
  11. ^ Elbaz, D.; Daddi, E.; Le Borgne, D.; Dickinson, M.; Alexander, D. M.; Chary, R.-R.; Starck, J.-L.; Brandt, W. N.; Kitzbichler, M.; MacDonald, E.; Nonino, M. (June 2007). "The reversal of the star formation-density relation in the distant universe". Astronomy & Astrophysics. 468 (1): 33–48. arXiv:astro-ph/0703653. Bibcode:2007A&A...468...33E. doi:10.1051/0004-6361:20077525. ISSN 0004-6361.
  12. ^ Elbaz, D.; Dickinson, M.; Hwang, H. S.; Díaz-Santos, T.; Magdis, G.; Magnelli, B.; Le Borgne, D.; Galliano, F.; Pannella, M.; Chanial, P.; Armus, L. (September 2011). "GOODS-Herschel: an infrared main sequence for star-forming galaxies". Astronomy & Astrophysics. 533: A119. arXiv:1105.2537. Bibcode:2011A&A...533A.119E. doi:10.1051/0004-6361/201117239. ISSN 0004-6361.
  13. ^ Wang, T.; Schreiber, C.; Elbaz, D.; et, al. (August 2019). "A dominant population of optically invisible massive galaxies in the early Universe". Nature. 572 (7768): 211–214. arXiv:1908.02372. Bibcode:2019Natur.572..211W. doi:10.1038/s41586-019-1452-4. ISSN 1476-4687. PMID 31391562. S2CID 199472930.
  14. ^ Cho, Adrian (2019-08-07). "Galaxy hunters spot hidden giants in the early universe". Science | AAAS. Retrieved 2020-06-01.
  15. ^ "Chrétien International Research Grants | American Astronomical Society". aas.org. Retrieved 2020-05-30.
  16. ^ "Academy of Europe: Elbaz David". www.ae-info.org. Retrieved 2020-05-30.
  17. ^ "ESA SPICA Science Team Members".
  18. ^ "AWG Homepage - AWG - Cosmos". www.cosmos.esa.int. Retrieved 2020-05-30.
  19. ^ "L'énigme de la matière noire nargue la physique". Le Monde.fr (in French). 2018-04-02. Retrieved 2020-06-01.
  20. ^ "David Elbaz : biographie, actualités et émissions France Culture". France Culture (in French). Retrieved 2020-06-01.
  21. ^ "David Elbaz : "Tout porte à croire que nous sommes à la veille d'un bouleversement majeur"". Sciences et Avenir (in French). 3 May 2017. Retrieved 2020-06-01.
  22. ^ "Les analogies entre cerveau et univers". www.franceinter.fr (in French). 25 March 2019. Retrieved 2020-05-30.
  23. ^ "La Tête dans les étoiles". Les Archives du Spectacle (in French). 12 October 2011. Retrieved 2020-05-30.
  24. ^ "Univers et matière". rcf.fr (in French). Retrieved 2020-05-30.
  25. ^ "La tête dans les étoiles - Spectacle - 2011". data.bnf.fr. Retrieved 2020-05-30.
  26. ^ "Alain DESTEXHE - École des Neurosciences de Paris".
  27. ^ a b "Marc Feld, Un magicien". Festival d'Automne à Paris (in French). Retrieved 2020-06-01.
  28. ^ "Magie et astrophysique". www.rfj.ch (in Swiss French). 13 March 2012. Retrieved 2020-05-30.
  29. ^ "video jonglerie astrale". vdlvdl (in French). Retrieved 2020-05-30.
  30. ^ "Vincent de Lavenère - Jonglerie Musicale". vdlvdl (in French). Retrieved 2020-05-30.
  31. ^ "À la recherche de l'Univers invisible - Éditions Odile Jacob". www.odilejacob.fr (in French). Retrieved 2020-05-30.
  32. ^ "David ELBAZ, lauréat du prix X-Philo 2017". La Jaune et la Rouge (in French). 2017-11-24. Retrieved 2020-05-30.
  33. ^ Elbaz, David (2021). ΑΝΑΖΗΤΩΝΤΑΣ ΤΟ ΑΟΡΑΤΟ ΣΥΜΠΑΝ: Σκοτεινή ύλη, σκοτεινή ενέργεια, μαύρες τρύπες (in Greek). Crete University Press. ISBN 978-960-524-643-3.
  34. ^ "Vase de Pépi - Éditions Odile Jacob". www.odilejacob.fr (in French). Retrieved 2020-05-30.
  35. ^ "... et Alice Tao se souvint du futur - Éditions Odile Jacob". www.odilejacob.fr (in French). Retrieved 2020-05-30.
  36. ^ Elbaz, David (2021). La plus belle ruse de la lumière (in French). Odile Jacob. ISBN 978-2415000721.

External links[edit]

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