Bath Astronomers, Bristol Astronomical Society, and Cardiff
Astronomical Society are offering a free Zoom event on the
afternoon of Saturday 13th November on 'Extreme Stellar
Environments' - see below.
Subject: | [Infofassocs] Extreme Stellar Environments - a Zoom presentation - 1:30pm Saturday 13th November |
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Date: | Sun, 3 Oct 2021 11:38:44 +0100 |
To
Events & Info List.
Simon
at Bath Astronomers has sent the following information.
An
afternoon of “Extreme Stellar Environments” is yours on the
afternoon of Saturday 13th November comprising 4
online talks on this theme from respected astronomy
professionals focussing on their specific interests from
supernovae, neutron stars, zombie stars to black holes.
Guiding us through this journey of cataclysm and atom
wrenching adventure is Dr Robert Massey, Deputy Executive
Director of the Royal Astronomical Society.
Organised
jointly by Bath Astronomers, Bristol Astronomical Society,
and Cardiff Astronomical Society, this free Zoom event runs
from 1:30pm to 5:30pm and is open to all. It just requires
you to register your place in advance to avoid the
disappointment of your name not being down. Simply visit https://www.eventbrite.co.uk/e/extreme-stellar-environments-tickets-169977235487
to secure your spot.
The
talks are as follows:
Supernovae
by Dr Philip Wiseman, Southampton University
Supernovae
are the explosive ends to stars’ lives and are some of the
most powerful and energetic events in the Universe. Despite
having been observed by humans at least as long ago as the
11th Century, it is only in the last few decades that we
have begun to discover the true diversity of stellar deaths
that pervade the night sky. In this talk I will outline the
different routes to forming a supernova and how those
differences change their appearance. I’ll describe the
process of observing supernovae on a mass scale, and will
highlight how this has led to some of the strangest and
unexplained phenomena still puzzling astronomers today.
Stellar
Black holes by Dr Vivien Raymond, Cardiff University
Black
holes are some of the strangest, most puzzling objects in
the Universe. They deform space and time to extremes, and
for the longest time could only be observed indirectly via
their effect on their environment. However, we are now
capable of listening to the very space-time deformation they
produce. In this talk I will present how we study those
invisible objects with gravitational-wave observatories, and
what we can learn from them.
How
we study neutron stars by Dr Diego Alamarino, Southampton
University
Neutron
Stars are the most compact objects in the Universe where we
can still see a surface. They are tiny 30km diameter spheres
lost in the immense sky. So how is it that astronomers are
able to study them? In this talk I will summarize some of
the techniques used to study those Neutron Stars that
interact with their nearby environments
The
extreme physics of zombie stars by Professor Nils
Andersson, Southampton University
A
neutron star is born when a massive star runs out of nuclear
fuel and dies in a supernova explosion. The object that
emerges when the dust settles – effectively a zombie star –
involves physics at the extremes of our understanding (and
beyond). In this talk, I will explain how we are using
astrophysical observations (both electromagnetic and through
gravitational waves) to explore this physics and make
progress on a range of challenging questions.
Cheers
all
Martin
Martin
Baker
Webmaster
Federation of Astronomical Societies
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