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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

Event 

Title:
Seminario Dr.ssa Annalisa De Cia
When:
13.12.2018 - 13.12.2018
Where:
Aula L. Rosino - Dipartimento di Fisica ed Astrono - Padova
Category:
Seminario

Description

Seminars

Giovedi 13 Dicembre 2018, h. 11:30 
 Aula L. Rosino Dipartimento di Fisica e Astronomia

  Annalisa De Cia 

   ESO, Garching
 
 

 Metals and dust in the neutral ISM, out to high-z

 ABSTRACT

Absorption-line spectroscopy is a powerful technique to characterize the properties of the ISM, from local environments out to small and possibly starforming galaxies at high z. In particular, we can determine metal abundances, metallicity, dust content, dust-to-metal ratio, nucleosynthesis signatures, kinematics in the ISM of these galaxies. However, the presence of dust dramatically changes the observed metal abundances, a phenomenon called dust depletion. I will discuss a way of taking dust depletion into account, based on the study of observed relative abundances, and thereby characterize the metallicity and nucleosynthesis signatures in high-z systems (as traced by GRB and QSO absorbers) as well as in the neutral ISM in the Galaxy.

Venue

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

Description

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