[AAA] SuperVirtual 2021: FIRST ANNOUNCEMENT

Sab Jul 10 11:54:51 -03 2021

Estimados,

Reenvío un anuncio sobre una reunión.

Saludos,
Florencia

---------- Forwarded message ---------
De: Melina Bersten <merlinada.bersten en gmail.com>
Date: mié, 30 jun 2021 a las 16:24
Subject: SuperVirtual 2021: FIRST ANNOUNCEMENT
To: Asoc. Argentina de Astronomía <aaacd en fcaglp.unlp.edu.ar>

Podrían circular el anuncio de esta reunión entre las/os socias/os/
Gracias,
Melina

SuperVirtual 2021: FIRST ANNOUNCEMENT

Dear colleagues,

We are delighted to announce the International Conference “SuperVirtual
2021 - From Common to Exotic Transients”. The meeting will be held in
virtual mode from November 15th to 19th, 2021.

The primary goal of this meeting is to provide a platform for an up-to-date
discussion in the field of supernovae and associated transients. Since the
beginning of the pandemic there has been a lack of such international
dialogue prompting a conference  in this field. Therefore, we believe it
will be very beneficial for the community to have a space to discuss
current discoveries and results from both observations and theory (see more
details below in the Scientific Rationale). SuperVirtual 2021 aims to
organise a conference that is as inclusive and participatory as possible.
It is planned that both the final selection of topics and that of
contributed speakers will make significant use of participant input - more
details of this will be circulated at a later date. The exact time zone for
the conference will also be determined at a later date, as its decision
will depend on the geographic location of participants and speakers, while
at the same time we will attempt to find a schedule that is convenient to
as many attendees as possible.

For more information, please visit the conference website
https://sites.google.com/view/supervirtual2021

If you wish to receive updates on SuperVirtual 2021, please register your
email address here https://forms.gle/Q9fgKniGRQHhpqY39

Organization committee:

Joe Anderson (European Southern Observatory, Chile)

Melina Cecilia Bersten (National University of La Plata, Argentina)

Janet Ting-Wan Chen (Stockholm University, Sweden)

Morgan Fraser (University College Dublin, Ireland)

Raffaella Margutti (University of California, Berkeley, USA)

Takashi Moriya (National Astronomical Observatory of Japan, Japan)

Scientific Rationale

Wide-field transient surveys are currently delivering large statistical
samples of supernovae (SNe), while also discovering peculiar and exotic
events. Samples of ‘standard’ core-collapse events afford strong
constraints on their progenitor properties and explosion mechanisms.
Meanwhile, the discovery of peculiar explosions often challenges our
application of standard SN physics to such emerging classes. SuperVirtual
2021 will address many of these developments - providing a review of SN
observations and physics, while exploring the limits of our current
understanding of the processes driving SN diversity.

There is now strong consensus that the majority of hydrogen-rich SNe II
arise from massive red supergiant stars. However, there is still
disagreement on the exact mapping from progenitor and explosion properties
to transient characteristics. The last decade has seen mounting evidence
that at least a significant fraction of stripped-envelope-SNe arise from
binary systems, although which envelope-mass stripping process dominates
for which progenitors is still debated. In addition, it now appears that
ejecta-CSM interaction is not only important for our understanding of
narrow-line SNeIIn, but may also be critical for many other SN types -
especially at early times in their evolution. This understanding is being
enhanced by advances in survey and follow up capabilities - observations of
which will be discussed at this meeting

The number of ‘non-standard’ SNe also continues to grow. Samples now exist
of exotic explosions such as SLSNe and SNeIbn. However, in the former it is
still unclear which powering mechanism enables such large luminosities,
while the properties of the latter challenge our understanding of late-time
stellar evolution. SuperVirtual 2021 will motivate discussion on the state
of the art of the explosion physics and progenitor evolution required to
explain these events. There are also a number of classes where only a few
well-observed events exist. ‘Fast transients’ (coming in different flavours
with different nomenclature - e.g. ‘FBOTs’) have timescales making them
difficult to observe, but additionally have properties that are difficult
to understand without invoking exotic physical scenarios. One of the most
recent additions to the SN family is the SNIcn class, which further
stretches the family of SNe that are significantly affected by ejecta-CSM
interaction. Finally, together with these new classes, a larger number of
SNe are discovered with specific features that also require an extension of
any standard SN model - e.g. short timescale modulations in light curve
shapes.

A full understanding of the SN phenomenon and its diversity is only
possible through comparing transient observations with predictions from
explosion models and stellar evolution. In SuperVirtual 2021 SN
observations will be confronted with the latest modelling of stellar
explosions to survey the current landscape of SNe; their numerous different
classes; and their progenitor populations.

Best regards,

on behalf of the Organizers

________________________________________

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