Prof.
Edo Berger
(Harvard University)
10/08/2011, 14:00
Stars more massive than about 8 times the mass of the Sun end their lives in
cataclysmic explosions: supernovae and gamma-ray bursts. In recent years targeted
and blind transient surveys have expanded the range of potential outcomes, including
potentially non-destructive eruptions on the path to the eventual explosion and
highly-luminous events that may require a new range of progenitor...
Mr
Morgan Fraser
(Queens University Belfast)
10/08/2011, 14:30
In the last fifteen years, searches for the progenitors of core-collapse supernovae
in archival Hubble Space Telescope images have yielded progenitor candidates for ~10
nearby supernovae, and upper limits on the luminosity and mass for a further ~20. In
this talk, I discuss recent results from ongoing progenitor searches. In particular,
I focus on some of the open questions in progenitor...
Dr
Andrea Pastorello
(Universita' di Padova)
10/08/2011, 15:00
A number of supernovae has been discovered in recent times
showing weird observed
properties. A few of them are extremely sub-luminous, others
are among the brightest
stellar explosions ever observed. In this review I present
photometric and
spectroscopic data of some of the most astonishing unusual
transients, and outline
what we currently know on the nature of their progenitor stars.
Jesper Sollerman
(Stockholm University)
10/08/2011, 16:00
I will make a quick review of the connection between Supernovae
and Gamma-Ray Bursts, from an observers perspective. I plan to run
through the history of GRBs with a special eye to the SN associations, and
try to include also some of the more recent issues and developments.
Prof.
Alexander Heger
(University of Minnesota, Twin Cities)
10/08/2011, 16:30
Recent progress in observations have allowed us to now find an
overwhelming collection of observational supernova data including a
wealth of different classes and marvelous detail in part. But how do
they connect with our understanding of the underlying engine, and what
stars are responsible for each of them? Theoretical models, on the
other hand, also provides a wide variety of model,...
Dr
Avishay Gal-Yam
(Weizmann Institute Of Science)
10/08/2011, 17:00
The theoretical prediction that stars that develop heavy oxygen cores will become
pair-unstable and explode has been made many decades ago. Yet, for many years, no
examples of such explosions were found, and it was often conjectured that stars
massive enough to explode in this manner may only exist at very high redshifts
(population III stars). In recent years several luminous supernova...
Dr
Thierry Foglizzo
(CEA-Saclay, France)
10/08/2011, 17:30
Massive stars end their life with the gravitational collapse of their core and the
formation of a neutron star. Their explosion as a supernova depends on the revival of a
spherical accretion shock, located in the inner 200km and stalled during a few hundred
milliseconds. Numerical simulations suggest that an asymmetric explosion is induced by
a hydrodynamical instability named SASI....
Mr
itay Rabinak
(Weizmann institute of science)
10/08/2011, 17:35
We derive a simple approximate model describing the early, up to a few days,
UV/optical supernova emission, which is produced by the expansion of the
outer hundredth solar mass of the shock-heated envelope, following the shock
breakout and preceding the optical emission driven by radioactive decay. Our
model includes an approximate description of the time dependence of the
opacity...
Dr
Rhaana Starling
(University of Leicester)
10/08/2011, 17:40
A growing number of long Gamma-Ray Bursts are indisputably associated with
core-collapse supernovae, discovered through optical spectroscopy and/or photometry
of the GRB afterglow. Three such bursts show evidence of a thermal component in the
early X-ray afterglow emission, claimed by some to be a signature of supernova shock
breakout. This component could equally be attributed to central...
Mr
Ondrej Pejcha
(Department of Astronomy, Ohio State University)
10/08/2011, 17:45
The mechanism of core-collapse supernovae is unknown. Despite considerable effort,
most simulations of supernovae are not successful, and it has proven difficult to
revive the stalled accretion shock, particularly for more massive stellar
progenitors. Although it is known that the stalled accretion shock turns into
explosion when the neutrino luminosity from the collapsed core exceeds a...
Patrick Slane
(Harvard-Smithsonian Center for Astrophysics)
10/08/2011, 17:50
As a pulsar wind nebula evolves inside its host supernova remnant, its gamma-ray
emission becomes increasingly brighter due to the buildup of energetic particles
injected by its pulsar. When the SNR reverse shock collides with the PWN, the
resulting increase in the magnetic field results in rapid synchrotron losses,
modifying the particle spectrum of the nebula. Gamma-ray observations of...
Dr
Dovi Poznanski
(UC Berkeley & LBL)
10/08/2011, 17:55
Dust extinction is generally the least tractable systematic uncertainty in astronomy,
and particularly in supernova science. Often in the past, studies have used the
equivalent width of Na I D absorption measured from low-resolution spectra as proxies
for extinction, based on tentative correlations that were drawn from limited data sets.
We have recently shown, based on 443...
Dr
George Sonneborn
(NASA Goddard Space Flight Center)
10/08/2011, 18:00
The nature and quantity of dust produced in supernovae (SNe) is still poorly
understood. Recent IR observations of freshly-formed dust in supernova remnants
(SNRs) have yielded significantly lower dust masses than predicted by theoretical
models and observations high-redshift galaxies. The Crab Nebula's pulsar wind is
thought to be sweeping up freshly-formed SN dust along with the SN...
Dr
Ross Church
(Lund University)
10/08/2011, 18:05
The presence of a binary companion can have a significant effect on a supernova
explosion. Mass transfer affects the evolution of the stars; a massive star
may transfer so much mass that it fails to explode as a supernova, whilst
conversely an accreting lower-mass star may gain enough material to cause it to
explode. Massive stellar cores in close binaries can be spun up by...
Ms
Io Kleiser
(University of California at Berkeley)
10/08/2011, 18:10
The vast majority of Type II supernovae (SNe) are produced by red supergiants
(RSGs), but SN 1987A revealed that blue supergiants (BSGs) can produce members
of this class as well, albeit with some peculiar properties. This best studied event
revolutionized our understanding of SNe, and linking it to the bulk of Type II events
is essential. We present here optical photometry and...
Mr
Takashi Moriya
(IPMU, University of Tokyo)
10/08/2011, 18:15
We investigate the effect of non-steady dense mass loss on the shock breakout in
dense wind. We found that the effect of the dense wind from non-steady mass loss can
account for two types of interaction-powered luminous supernovae: 06gy-like LSNe
which show the narrow emission lines from wind and 08es-like LSNe which do not
show them.
Dr
Salvatore Orlando
(INAF - Osservatorio Astronomico di Palermo)
10/08/2011, 18:20
During the evolution of SNRs, Rayleigh-Taylor (RT) instability develop at the contact
discontinuity between the ejecta and the shocked interstellar medium (ISM). The
nonlinear instability evolves, giving rise to a turbulent structure with
preferentially radial components, the so-called RT fingers. Current multi-dimensional
models of SNRs describe the development of these structures....
Francesco Taddia
(Stockholm University, department of Astronomy)
10/08/2011, 18:25
Supernova 1987A revealed that a blue supergiant (BSG) can end its life as a
core-collapse supernova (SN). Such objects show peculiar properties distinguishing
them from ordinary Type IIP SNe, whose progenitors are believed to be red
supergiants. A similarity among 1987A-like events include a long rise to maximum
and peak luminosities which are fainter than Type IIP SNe and mainly powered...
Dr
Omer Bromberg
(Racah Institute of Physics, The hebrew University, Jerusalem, Israel)
10/08/2011, 18:30
According the Collapsar model long GRBs (LGRBs) arise during the collapse of
a massive star and involve the emergence of a relativistic jet through the envelope
of the exploding star.
This model naturally explains the links between LGRBs and SNe, such as the
the association of half a dozen LGRBs with broad-line Ic SNe.
However, a closer look at this association reveals that four out of...
Dr
Patrick BLOTTIAU
(CEA, DAM, DIF, Arpajon, France and Laboratoire Univers et Théories, Observatoire de Paris, Meudon, France)
10/08/2011, 18:35
A complete description of the core-collapse supernova mechanism requires an
appropriate treatment of both the hydrodynamics and the microphysics.
Indeed, despite the crucial role played by hydrodynamics (e.g. hydrodynamical
instabilities, rotation, convection or General Relativistic effects), to produce type
II supernovae explosions, the influence of nuclear physics inputs on the outcome...
Dr
Tabetha Hole
(East Tennessee State U.)
10/08/2011, 18:40
Constraining the structure and asymmetries within supernova (SN) ejecta is of great
importance to understanding the explosion mechanism and for constructing better
models of SN feedback mechanisms. SN forbidden line profiles at later times, when
the ejecta is optically thin in the continuum, provide a potential diagnostic of
densities and the distribution of individual ionic species...
Dr
Bernhard Mueller
(MPA Garching)
10/08/2011, 18:45
The collapse of an iron core to a neutron star and the subsequent
supernova explosion are among the greatest challenges in
computational astrophysics due to the complex interplay of
multi-dimensional hydrodynamics, neutrino transport, and
strong-field gravity. Due to the compactness of the newly-born
proto-neutron star and the occurrence of high velocities (up to
~0.3c), general...
Dr
Rino Bandiera
(INAF - Osservatorio Astrofisico di Arcetri)
10/08/2011, 18:55
Bamba et al. (2010) used deep X-ray observations, with Chandra and Suzaku, to
estimate the sizes of faint and old Pulsar Wind Nebulae (PWNe). They found a steady
increase in size with the nebular age, up to ages of about 10^5 yr. Their conclusion
was that these PWNe keep expanding up to large ages, in apparent contradiction
with the idea that a reverse shock from the associated...
Dr
Yudai Suwa
(Kyoto University)
10/08/2011, 19:00
Core-collapse supernovae are violent explosion of massive stars at their end of life. The standard model of the supernova
explosion is so-called ``delayed explosion scenario'', in which the neutrino heating plays an important role. In order to
investigate whether this model works properly, we must solve raditation hydodynamic equations incorporating the neutrino
radiative transfer with...
Dr
Leloudas Giorgos
(Dark cosmology Centre)
10/08/2011, 19:05
Stripped-envelope core-collapse SNe are supposed to result
from the explosions of
stars that have lost their outer hydrogen layers but the
exact nature of their
progenitor and (possible) companion stars remains unknown.
By comparing their
locations to those of WR stars we show that they are indeed
compatible. Furthermore,
SN Ib locations are more closely related to those of WN
stars,...
Dr
Tea Temim
(NASA Goddard Space Flight Center / ORAU)
10/08/2011, 19:10
We present deep Chandra observations and Spitzer Space Telescope infrared (IR)
spectroscopy of the shell in the composite supernova remnant (SNR) Kes 75. The
remnant is composed of a central pulsar wind nebula (PWN) and a bright partial shell
in the South that is visible at radio, IR, and X-ray wavelengths. The X-ray emission
from the shell is dominated by a two-component thermal model...
Dr
Gaston Folatelli
(IPMU, University of Tokyo)
10/08/2011, 19:15
We present a detailed study of the Type Ib/c SN 2010as based on
optical and near-infrared imaging and spectroscopy, plus radio
observations. The data span from about two weeks before to
about 150 days after maximum light. SN colors and spectra indicate
this object suffered considerable reddening by dust. Intermediate resolution
X-Shooter spectra cover the time of
maximum light and show...
Dr
Shin-ichiro Fujimoto
(Kumamoto National College of Technology)
10/08/2011, 19:20
We examine explosive nucleosynthesis during neutrino-driven, aspherical supernova
(SN) explosion
aided by standing accretion shock instability, based on two-dimensional hydrodynamic
simulations
of the explosion of 15-40$M_\odot$ stars with zero metallicity.
The magnitude and asymmetry of the explosion energy are estimated with the simulations,
for a given set of neutrino luminosities...
Dr
Jennifer Hoffman
(University of Denver)
10/08/2011, 19:25
Supernovae of all types are known to be polarized, and many display complex line
polarization effects that evolve over time as the supernova evolves. Such behavior
reveals details of the clumpy nature of the ejecta, as well as illuminating the
characteristics of the circumstellar material lost by the star in its pre-supernova
evolution. With the aid of diagnostic tools developed through...
Ms
Eveline Helder
(Pennsylvania State University)
10/08/2011, 19:35
The evidence for supernova remnants as the main sources for Galactic cosmic rays has
accumulated over the past decades. However, the physics of the acceleration mechanism
is still unclear. In particular, there is a lack of empirical data to test current
shock acceleration models.
RCW 86 is an excellent source to test these models, as the shock velocities of the
remnant vary by an order...
Mr
Jason Dittmann
(Harvard University)
10/08/2011, 19:40
We present time series radio data of the type Ic supernova SN 2004C taken with the
VLA from January 2004 through April 2009 at 4.9 GHz, 8.5 GHz, 15 GHz, and 22
GHz. We also present 3 epochs of Chandra data taken 110, 170, and 1150 days after
the initial explosion. We model our radio data for each epoch with a synchrotron self
absorbed spectrum, and apply the dynamical model of...
Ms
Sarah Wellons
(Harvard University)
10/08/2011, 19:45
We present extensive radio observations of the nearby Type Ibc
supernovae (SNe Ibc) 2004cc, 2004dk, and 2004gq spanning $\Delta
t\approx 8-1800$ days after explosion. Using a dynamical model
developed for synchrotron emission from a slightly decelerated
blastwave, we estimate the velocity and energy of the fastest ejecta
and the density profile of the circumstellar medium. The...
Ms
Kate Alexander
(Harvard-Smithsonian Center for Astrophysics)
10/08/2011, 19:50
We present radio observations of the type Ic supernova 1994I, reanalyzed as part of a
search for radio transients in M51 conducted using archival data from the Very Large
Array. The data includes a detailed 4.9 GHz light curve of SN 1994I and three
spectra of this object from epochs on April 10, May 4, and August 8, 1994, each
spanning frequencies of 1.5-22.5 GHz. We find that the...
Prof.
Adam Burrows
(Princeton University)
11/08/2011, 08:30
Core-collapse supernovae are a puzzle that has taxed
theorists and computational science for half a century.
Such explosions are the source of many of the heavy elements
in the Universe and the birthplace of neutron stars and
stellar-mass black holes. However, determining the mechanism
of explosion remains the key goal of theory. Recently,
using sophisticated numerical tools and...
John Blondin
(North Carolina State University)
11/08/2011, 09:00
A core-collapse supernova event begins with a nearly spherical hydrodynamic implosion
of the core of a massive star and ends with a hydrodynamic explosion as an aspherical
shock wave expands through the stellar envelope. The breaking of spherical symmetry
is both critical for driving the explosion as well as determining the characteristics
of the supernova. The origin of asymmetry may...
Dr
H.-T. Janka
(MPI, Garching)
11/08/2011, 09:30
The talk will review 2D and 3D modeling of core-collapse
supernova explosions by the Garching group. It will address
the question of the explosion mechanism and the role of
relativistic effects, of the neutron star equation of state,
and of dimensionality (2D vs. 3D) in this context. Observational
consequences of the explosion mechanism will also be discussed.
F. Thielemann
(Dept. of Physics, University of Basel)
11/08/2011, 10:30
Supernovae are observationally characterized by their lightcurves, spectra,
late time radioactivities in remnants and their integrated contribution to
chemical evolution, witnessed in observations of old stars. We will highlight
open questions with respect to nucleosynthesis contributions from core collapse
supernovae. While many aspects of intermediate mass (alpha) elements...
Prof.
Ken Nomoto
(IPMU, University of Tokyo)
11/08/2011, 11:00
The properties of supernovae associated with GRBs & XRFs, and some other
related supernovae are summarized. Discussion includes the possible
connection to the unusual supernovae, such as extremely luminous and
extremely faint supernovae. The abundance patterns predicted in their
nucleosynthesis are compared with those of metal-poor halo stars, DLAs, and
other related objects.
Dr
Ehud Nakar
(Tel Aviv University)
11/08/2011, 13:00
Observations of SNe light at early times can open a window to a wealth of information
on the progenitor system and the explosion itself. I will present the theoretical
expectation of that emission, starting at the shock breakout, through the planar
phase and into at the spherical phase, until recombination and/or radioactive decay
start playing a role. I will discuss separately Newtonian...
Dr
Maryam Modjaz
(Columbia University)
11/08/2011, 13:30
Stripped-envelope core-collapse supernovae (i.e., SNe of Type IIb, Ib,
Ic and broad-lined Ic) are supernovae whose massive
progenitors have been stripped of progressively larger amounts of
their hydrogen and helium envelopes. While the SNe Ic-bl associated
with long Gamma Ray Bursts (GRBs) have been studied in detail, the
full range of properties of normal or broad-lined SNe is not...
Mrs
Maximilian Stritzinger
(Stockholm University)
11/08/2011, 14:00
The Carnegie Supernova Project obtained detailed optical (uBgVri) and near-IR (YJHKs)
light curves of 35 Type Ib/c and Type IIb supernova. This data set is particularly
well-suited to explore color relations over a broad wavelength range, and may offer
new ways to accurately estimate host galaxy extinction. I will present the
photometric sample and results from an initial analysis of the...
Dr
Nikolai Chugai
(Institute of astronomy, Russian. Ac. Sci.)
11/08/2011, 14:30
Type IIn supernovae (SN IIn) is highly diverse and badly understood class with a
common feature: they show narrow emission lines indicative of a dense circumstellar
matter (CSM). The narrow emission lines could originate either from the undisturbed
circumstellar gas excited by
X-ray/ultraviolet radiation or from shocked circumstellar clouds. In most SNe IIn the
total luminosity is fully...
Dr
Ori Fox
(NASA/GSFC/ORAU)
11/08/2011, 15:30
A relatively small number of CCSNe have been observed to exhibit late-time (>100
d) infrared emission from dust over the past 30 years. Since the launch of Spitzer
(and now even Herschel), the community has had the capability to probe supernova-
associated dust at mid- and far-infrared wavelengths. Combined with ground-based
optical and NIR observations, these data have provided...
Dr
Isabelle Cherchneff
(Universitaet Basel)
11/08/2011, 16:00
Cosmic dust forms in the circumstellar environments of evolved stars with low and
high masses because the synthesis of dust requires high gas densities and
temperatures. Supernovae are one of these environments and form dust in their ejecta
a few months after their explosion. The harsh physical conditions met in the ejecta
and the absence of hydrogen hamper the production of complex...
Dr
Oliver Krause
(Max Planck Institute for Astronomy)
11/08/2011, 16:30
Young Galactic supernova remnants are unique laboratories for supernova physics. Due
to their proximity they provide us with the most detailed view of the outcome of a
supernova. However, the exact spectroscopic types of their original explosions have
been undetermined so far - hindering to link the wealth of multi-wavelength knowledge
about their remnants with the diverse population of...
Dr
Luc Dessart
(Laboratoire d'Astrophysique de Marseille)
11/08/2011, 17:00
I will present a new modeling approach that simultaneously computes spectra and
light curves and takes into account line blanketing, departures from Local
Thermodynamic Equilibrium, time dependent terms in the radiative-transfer, energy,
and statistical-equilibrium equations, as well as non-thermal processes associated
with radioactive decay. Combined with hydrodynamical inputs of SN...
Roger Chevalier
(Univ. of Virginia)
12/08/2011, 08:30
Recent ideas related to supernova interaction with their surroundings will be
discussed. Attention will be given to the case of very dense surroundings.
Dr
Vikram Dwarkadas
(University of Chicago)
12/08/2011, 09:00
Stellar wind mass-loss and photo-ionization can modify the ambient medium around
massive stars during their evolution. Using numerical simulations, we discuss the
formation of the circumstellar medium (CSM) around massive stars, and the evolution
of supernova shock waves within this medium. The shock-CSM interaction heats up the
gas to X-ray emitting temperatures. The output from numerical...
Prof.
Alicia Soderberg
(Harvard University)
12/08/2011, 09:30
For centuries, supernovae have been studied primarily in the visual band thanks to
their strong optical emission that dominates the bolometric luminosity on timescales
of weeks following the explosion. At the same time, some of the most profound
advances in our understanding of supernovae have been made possible through
observations at other wavelengths. Here I will review the unique...
Prof.
Robert Kirshner
(Harvard University)
12/08/2011, 10:30
The Hubble Space Telescope programs dubbed SINS and SAINTS have been
underway since the launch of HST. The angular resolution of HST allows us to image
the many different parts of the supernova as it becomes a remnant, and the spectra,
especially in the UV, have helped us understand its chemistry and physics. SN
1987A was the best-observed supernova and is now becoming the...
Prof.
Peter Lundqvist
(Dept. of Astronomy, OKC, Stockholm)
12/08/2011, 11:00
The structure of the circumstellar medium around SN 1987A
poses a challenge to our
understanding of mass loss from massive stars. I will review
what is known about the
three rings around the supernova, as well as other gas close
to it. I will also
discuss how the rings have been excited, and what we can
learn from them about the
supernova shock breakout and the ejecta/ring interaction....
Prof.
Sangwook Park
(University of Texas at Arlington)
12/08/2011, 13:00
SN 1987A has been monitored by several X-ray missions such as Chandra,
XMM-Newton, ROSAT, Suzaku, and Swift. Now in the phase of young supernova
remnant (SNR), X-ray emission from 1987A is dominated by radiation
from the shock interacting with dense circumstellar medium. The most extensive
X-ray study of SNR 1987A has been performed by Chandra observations for the
last 12 years. We...
Dr
Stephen C.-Y. Ng
(McGill University)
12/08/2011, 13:25
Being the brightest supernova since the invention of modern telescopes, SN 1987A has
been intensively studied over the last two decades and it exhibited a highly unusual
evolution. At radio frequencies, the initial outburst peaked on day 4 then followed
by a rapid decay. The radio emission re-emerged around mid-1990, marking the birth of
a radio remnant. Monitoring observations with the...
Dr
Karina Kjaer
(Queen's University Belfast)
12/08/2011, 13:50
Observing the inner ejecta of a supernova is possible only in a handful of nearby
supernova remnants. SN 1987A is the first modern stellar explosion that has been
continuously observed from its beginning to the supernova remnant phase. Twenty years
after the explosion, we are now able to observe the three-dimensional spatially
resolved inner ejecta of this supernova.
We have used...
Josefin Larsson
(Stockholm University & Oskar Klein Centre)
12/08/2011, 14:15
I will present the light curve of the ejecta of SN 1987A
measured from HST
observations spanning the past 17 years. The light curve
shows that the flux declined
up to around year 2001, but then started to increase,
reaching a level more than twice
as high in 2010. The declining phase is well modelled by
radioactive decay of 44Ti, but a
new energy source is needed to explain the...
Dr
Kevin France
(University of Colorado)
12/08/2011, 15:10
In this talk, I will present the most sensitive ultraviolet observations of Supernova
1987A to date. Imaging spectroscopy from the HST-Cosmic Origins Spectrograph show
many narrow (FWHM ∼ 300 km/s) emission lines from the circumstellar ring, broad (FWHM
~ 10000-20000 km/s) emission lines from the reverse shock, and ultraviolet continuum
emission. The high signal-to-noise (> 40 per...
Mr
Anders Jerkstrand
(Stockholm University)
12/08/2011, 15:35
Core-collapse SNe offer unique opportunities to look inside massive stars. By
calculating the deposition and degradation of gamma-rays and positrons, solving the
equations for statistical and thermal equilibrium, and considering the effects of multi-
line radiative transfer, we produce model spectra that can be compared with
observations. We apply our model to interpret the spectrum of...
Dr
Mikako Matsuura
(University College London)
12/08/2011, 16:00
We report a surprising detection of the supernova 1987A at far-infrared and
submillimetre (submm) wavelengths in 2010. As a part of the Herschel Large and
Small Magellanic Cloud surveys (HERITAGE; principal investigator Margaret Meixner),
the Herschel Space Observatory scanned the sky in the direction of SN 1987A, and
found a faint but clear point source. The source was detected at...
Dr
Niccolo Bucciantini
(NORDITA)
13/08/2011, 09:00
Pulsar Wind Nebulae (PWNe) are among the best objects where high energy relativistic
astrophysics, can be investigated. They are close, well resolved in our observation,
and the knowledge derived in their study has a strong impact in many other fields,
from AGNs to GRBs. They also behave as a probe of the interior of the surrounding
SNR, and their dynamical evolution, can be used to...
Prof.
Robert Fesen
(Dartmouth College)
13/08/2011, 09:30
Young and relatively nearby Galactic SNRs offer the possibility of relatively
high-resolution investigations of SN ejecta and SNR/CSM interactions. I will present
a brief overview of some recent X-ray, optical, and IR results on core-collapse SNRs.
My talk will concentrate on work on some on young Galactic collapse SNRs, with an
emphasis on the Cas A remnant which has been the focus of...
Dr
Kevin Heng
(ETH Zurich, Institute for Astronomy)
13/08/2011, 10:00
The young remnants of supernovae of thermonuclear origin are often surrounded by fast
(~1000 km/s) shocks which are spatially coincident with strong hydrogen emission
lines. Typically observed in H-alpha, these two-component lines are direct probes of
the physical conditions in the pre- and post-shock gas. In this talk, I begin with a
brief review of Balmer-dominated shocks. I will...
Prof.
Stephen Smartt
(Queen's University Belfast)
13/08/2011, 11:30
The Pan-STARRS-1 telescope is a 1.8m survey facility with a 1.4 Gigapix camera, the
largest ever built for astronomical use. It has completed 1 year of full science
operations. It has mapped most of the northern sky in grizY, is finding near-earth
asteroids at fainter magnitudes than before and has discovered more than 2000
supernovae in the Medium Deep Survey fields. These are 11 fields...
Dr
Ewald Mueller
(Max-Planck-Institut fuer Astrophysik)
13/08/2011, 13:30
The only means to get direct and immediate information about the
engine of core collapse supernovae is from observations of neutrinos
emitted by the forming neutron star, and through gravitational
waves. The latter are emitted when the explosion involves
time-dependent asphericities because of rotation, magnetic fields,
non-radial flow, and anisotropic neutrino emission. In my talk I...
Prof.
Brian Schmidt
(ANU)
13/08/2011, 14:00
SkyMapper is a new widefield 1.35m telescope located in Australia dedicated to
surveying the southern sky. Its UV optimised 5.7 sq-degree FOV will map the entirety
of the southern sky over the next 5 years, and will undertake specific programs to
discover and monitor supernovae. In addition to the study of core collapse events
directly, SkyMapper offers the ability to study core collapse...
Dr
Bruno Leibundgut
(ESO, Garching)
13/08/2011, 14:30
The next generation of large ground-based telescopes will essentially increase the
light-gathering power and the angular resolution. The talk will muse about possible
directions
supernova research may take when these telescopes become available. Predicting research a
decade into the future is alway risky, but it is possible explore the new parameter
space, which
will open with these facilities.
