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INAF - Osservatorio Astronomico di Padova

Event 

Title:
Seminario Dr. ssa Anna Feltre
When:
20.09.2018 - 20.09.2018
Where:
Aula L. Rosino - Dipartimento di Fisica ed Astrono - Padova
Category:
Seminario

Description

Seminars

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

 

ABSTRACT

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.

Venue

Venue:
Aula L. Rosino - Dipartimento di Fisica ed Astrono
Street:
vicolo dell'Osservatorio 2
ZIP:
35122
City:
Padova

Description

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