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1 results

  • 8 - Star-Formation Rates from Spectral Energy Distributions of Galaxies

  • from Part II - SFR Measurements
  • Edited by Andreas Zezas, University of Crete, Véronique Buat, Université d'Aix-Marseille
  • Book:
    Star-Formation Rates of Galaxies
    Published online:
    11 May 2021
    Print publication:
    29 April 2021, pp 184-203

  • Summary

    Addressing the question of the formation and the evolution of galaxies in a cosmological context implies that we must understand their emission over the broadest electromagnetic spectrum. Using multi-wavelength data consistently enables to measure reliable physical parameters like star-formation rates and stellar masses.However, the drawback of this approach is that we do need more information in terms of data. We also need to handle them by using powerful computers and smart codes that are able to run ina reasonable amount of time and deal with a wealth of data and a huge number of models. A statistical approach is also mandatory to estimate the reliability of the results. In this chapter I will describe the different components and physical processesthat leave their imprints in the distribution of energy of galaxiesandhow physicalparameters related to their star formation history can be extracted from the fit of their spectral energy distribution. I willpresent physically-motivated codes which assume an energy balance between dust stellar absorption and re-emission