INAF - Astronomical Observatory of Padova

INAF - Astronomical Observatory of Padova is one of the main structures of the National Institute of Astrophysics (INAF). The main activity of the Observatory is to perform scientific research in various  fields of Astrophysics. The Observatory also contributes to  advanced education, assists in the dissemination of knowledge and implements project of education and outreach of Astronomy.

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INAF - Osservatorio Astronomico di Padova


Seminario Dr. ssa Anna Feltre
20.09.2018 - 20.09.2018
Aula L. Rosino - Dipartimento di Fisica ed Astrono - Padova



Giovedi 20 Settembre 2018, h. 11:30 
 Aula L. Rosino Dipartimento di Fisica e Astronomia

  Anna Feltre 

   CRAL, Observatoire de Lyon

 Modelling optical and UV spectral features: challenges for the high-z Universe



Recent progress in optical and near-infrared spectroscopy has enabled detailed analysis of the rest-frame UV and optical spectral features of galaxies at both low and high redshift. The James Webb Space Telescope (JWST) will push these previous studies up to the reionization epoch.Over the last years, significant effort has focussed on developing theoretical models tailored to the interpretation of high-redshift galaxy spectra.
I will review the current status of modelling the emission from different ionizing sources, such as hot stars, AGN and radiative shocks. I will show how model predictions, combined with spectral analysis tools and cosmological simulations, can help us gain new insights into the nature of the ionizing sources and the physical processes driving star formation and chemical evolution in galaxies. During the talk, I will highlight successes and limitations of spectral models, as learned from lessons on lower-redshift analogs of primeval galaxies, along with perspective for future improvements.


Aula L. Rosino - Dipartimento di Fisica ed Astrono
vicolo dell'Osservatorio 2


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