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2 results

  • Spiral Galaxy in 3D as Seen with SpIOMM

  • Laurie Rousseau-Nepton, Carmelle Robert, Laurent Drissen
  • Journal:
    Proceedings of the International Astronomical Union / Volume 10 / Issue S309 / July 2014
    Published online by Cambridge University Press:
    09 February 2015, p. 340
    Print publication:
    July 2014
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  • Using the imaging Fourier transform spectrograph (FTS) SpIOMM we study 7 nearby spiral galaxies. The large database of spectra obtained around Hα and Hβ is ideal to study the star forming regions and warm ionized medium (WIM) with a high spatial resolution (∼ 50-150 pc).

  • Evolution of the most massive galaxies to z ~ 0.6

  • Yanmei Chen
  • Journal:
    Proceedings of the International Astronomical Union / Volume 8 / Issue S295 / August 2012
    Published online by Cambridge University Press:
    17 July 2013, pp. 133-136
    Print publication:
    August 2012
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  • We develop a new method to estimate galaxy physical parameters, such as stellar masses, or star formation histories. This method is based on principal component analysis (PCA), using the information in rest-frame 3700-5500Å spectral region. The derived physical parameters are then applied to study the evolution of the most massive galaxies from z ~ 0.6 to the local Universe, especially on how radio AGN influence the recent star formation histories of host galaxies.