Peirani Sébastien

Nationaly : French
Single

Tel : +33 (0)1 44 32 81 34
Fax : +33 (0)1 44 32 80 01
Email : peirani AT iap.fr
Office address : Institut d'Astrophysique de Paris
98 bis, Boulevard Arago - 75014 Paris

Professional experience

Research Interests: Gravitational lensing, dynamics and indirect detection of dark matter, dark energy, BAO, hydrodynamical simulations of galaxy formation, star formation and associated feedback processes in the interstellar medium, numerical methods, visualization tools.
  • from 10/2010: CNRS - CR1 at IAP (permanent position in Astrophysics)

  • 08/2009 - 09/2010: Postdoctoral position at IAP - ANR BOSS (Baryon Oscillation Spectroscopic Survey)

  • 08/2007 - 08/2009: Postdoctoral position at IAP - ANR SL2S (Strong Lensing Legacy Survey)

  • 01/2006 - 08/2007: Postdoctoral position at the University of Oxford, with Prof. Silk, PPARC fellowship

  • 10/2002 - 12/2005: Ph.D :
  • in Astrophysics at Université de Nice-Sophia-Antipolis, MENRT Fellowship.
  • Subject: "Dynamical and physical aspects of dark matter"
  • Advisor: J.A. de Freitas Pacheco.
  • 01/2004 - 04/2004: visit Oxford University (Marie Curie Fellowship) with Prof. Silk.
    •

  • 2001-2002: "DEA" of Astronomy : Imaging, High Angular Resolution and Gravitation, Université de Nice-Sophia-Antipolis, France

  • 2000-2001: M.S. in Physics, Université de Nice-Sophia-Antipolis, France

  • 1999-2000: B.S. in Physics, Université de Nice-Sophia-Antipolis, France

    • Languages

  • FRENCH : mother tongue.
  • ANGLAIS : fluent.
  • ESPAGNOL : good school knowledge.

    • Teaching

  • 2006-2007 : University of Oxford, Tutor for 4th Year Astrophysics classes (18 h).
  • 2006-2007 : University of Oxford, Demonstrator in computing (C language) for 2nd 3rd Year classes (48 h).

    • Other

  • Referee A&A
  • member of the Horizon project , SDSSIII

    • Refereed publications list

    1. "Artificial neural networks for quasar selection and photometric redshift determination''
      C. Yeche, P. Petitjean, J. Rich, E. Aubourg, N. Busca, J.-Ch. Hamilton, J.-M. Le Goff, I. Paris, S. Peirani, C. Pichon, E. Rollinde & M. Vargas-Magana
      2010, A&A in press, [paper]

    1. "On the coldness of the local Hubble flow: the role of baryons"
      S. Peirani
      2010, MNRAS, 407, 1487, [paper]

    1. "Composite star formation histories of early-type galaxies from minor mergers: prospects for WFC3''
      S. Peirani, M. Crockett, S. Geen, S. Khochfar, S. Kaviraj & J. Silk
      2010, MNRAS, 405, 2327, [paper]

    1. "Determining the morpho-kinematic properties of a face-on merger at z~0.7''
      I. Fuentes-Carrera, H. flores, Y. Yang, S. Peirani, F. Hammer, M. Rodrigues & C. Balkowski
      2010, A&A, 513, A43, [paper]

    1. "The role of minor mergers in the recent star formation history of early-type galaxies''
      S. Kaviraj, S. Peirani, S. Khochfar, J. Silk and S. Kay
      2009, MNRAS, 394, 1713, [paper]

    1. "A forming, dust enshrouded disk at z=0.43: the first example of a late type disk rebuilt after a major merger?''
      F. Hammer , H. Flores, Y. B. Yang, E. Athanassoula, M. Puech, M. Rodrigues and S. Peirani
      2009, A&A, 496, 381, [paper] [ESO Press Release]

    1. "A giant bar induced by a merger event at z=0.4?''
      S. Peirani, F. Hammer, H. Flores, Y.B. Yang and E. Athanassoula
      2009, A&A, 496, 51, [paper] [ESO Press Release] [movie1] [movie2] [poster]

    1. "Numerical investigation of lenses with substructures using the perturbative method''
      S. Peirani, C. Alard, C. Pichon, R. Gavazzi and D. Aubert
      2008, MNRAS, 390, 945, [paper]

    1. "Dynamics of Nearby Groups of Galaxies: the role of the cosmological constant''
      S. Peirani and J.A. de Freitas Pacheco
      2008, A&A, 488,845, [paper]

    1. "Dark Matter Accretion into Supermassive Black Holes''
      S. Peirani and J.A. de Freitas Pacheco
      2008, Phys.Rev.D, 77, 064023, [paper]

    1. "Active Galactic Nuclei and Massive Galaxy Cores''
      S. Peirani, S. Kay and J. Silk
      2008, A&A 479,123, [paper]

    1. "Evolution of the Phase-Space Density of Dark Matter Halos and Mixing Effects in Merger Events''
      S. Peirani, F. Durier and J. A. de Freitas Pacheco
      2006, MNRAS, 367, 1011, [paper]

    1. "Mass determination of groups of galaxies: Effects of the cosmological constant''
      S. Peirani and J. A. de Freitas Pacheco
      2006, New Astronomy, 11, 325, [paper] [poster]

    1. "Dark Matter: indirect detection''
      J. A. de Freitas Pacheco and S. Peirani
      2005, Gravitation and Cosmology, v. 11, N 1-2 (41-42), pp. 169-176 (2005), [paper]

    1. "Virgo status and commissioning results''
      Virgo collaboration
      2005, Classical and Quantum Gravity, 22, 185, [paper]

    1. "Indirect search for dark matter : prospects for GLAST''
      S. Peirani, R. Mohayaee and J. A. de Freitas Pacheco
      2004, Phys.Rev. D, 70, 043503, [paper]

    1. "Dark matter in the Universe''
      J. A. de Freitas Pacheco and S. Peirani
      2004, International Journal of Modern Physics D [Gravitation; Astrophysics and Cosmology], Vol. 13, No. 7, 1335-1344, [paper]

    1. "The angular momentum of dark halos : merger and accretion effects''
      S. Peirani, R. Mohayaee and J. A. de Freitas Pacheco
      2004, MNRAS, 348..921, [paper] [poster]