[AAA] Fwd: EVN Online Seminars: The sharpest view of the radio Universe

[biblio en iar.unlp.edu.ar]

Comparto información enviada por Benito Marcote (Joint Institute for VLBI ERIC)

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Queremos acercar VLBI al resto de la comunidad astronómica, y por ello
estamos organizando este ciclo de seminarios online. Así que queremos
darle la máxima difusión, sobre todo para las comunidades con las que
todavía no tenemos contacto.

Saludos y gracias!
Benito.

The European VLBI Network (EVN) is pleased to announce a series of
online seminars “The sharpest view of the radio Universe: VLBI –
Connecting Astronomers Worldwide”. Seven speakers will cover 7
different science topics, and the talks will occur roughly every 7
weeks between early July 2020 and the EVN Symposium, which has been
rescheduled to July 12-16, 2021. These talks will illustrate how Very
Long Baseline Interferometry can improve our understanding of many
astronomical phenomena, from stars to galaxies, and the talks are
aimed at a broad astronomical audience.

Full information about the webinars, which will be run using Zoom, can
be found at https://www.evlbi.org/evn-seminars.

The first seminar will take place on Wednesday 8 July 2020, 10:30
CEST. Our speaker, Cristiana Spingola (University of Bologna) will
talk about “Using Strong Gravitational Lensing to Zoom in on
High-Redshift Galaxies”.

The talks will be 35-40 min long, followed by a Q&A and discussion
session. Attendants can join via Zoom following this link (Meeting ID:
977 9168 7969). The talk will also be streamed in real time via
YouTube (it will appear at the JIVE and EVN channel in due time).
Participants will be deferred to the YouTube channel after reaching
the limit of 100 people on the Zoom session. Find attached the
Calendar invitation or this link for Google Calendar.

Please feel distribute this invitation to any mailing list, colleague,
or scientist that you feel may be interested.

Title & abstract:
Using Strong Gravitational Lensing to Zoom in on High-Redshift Galaxies

The centres of galaxies are powerful laboratories to test models of
galaxy formation, as well as the interplay between supermassive black
holes and their host galaxies. While these sub-galactic scales can be
directly investigated in the local Universe, it is observationally
extremely difficult to access them at high redshift. In this talk, we
will exploit the combination of strong gravitational lensing and
multi-wavelength high angular resolution observations to directly
study the parsec scale emission in active galaxies at z > 1. The
magnifying effect of strong lensing and the milliarcsecond angular
resolution of HST, Keck AO and VLBI observations allow us to spatially
resolve the central parts of distant lensed galaxies, especially if
they are located in the regions at highest magnification. Therefore,
it becomes possible to unveil dual and offset AGN candidates, but also
faint extended jets embedded in massive molecular gas reservoirs at
cosmological distances. Nevertheless, this kind of study is currently
limited by the small number of radio-loud lensed sources. We will
conclude by discussing the current efforts to search for more lensing
systems in wide-field VLBI surveys.

On behalf of the EVN Seminars Organizing Committee,
the Joint Institute for VLBI ERIC and the University College Cork,

Denise Gabuzda (University College Cork)
Benito Marcote (Joint Institute for VLBI ERIC)
Anna Bartkiewicz (Torun Institute of Astronomy, Nicolaus Copernicus University)
Marcello Giroletti (INAF Instituto di Radioastronomia)
Miguel Pérez-Torres (Instituto de Astrofísica de Andalucía)
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