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The ubiquity ofjet phenomena in young stellar objects, active
galactic nuclei, sym- biotic stars, planetary nebulae and x-ray
binaries has driven a broad literature on the astrophysics of
collimated mass ejection. One of the fundamental open problems in
star formation is the understanding of the physical mechanisms by
which mass is ejected from the protostellar system and collimated
into jets. Locally jets will regulate the system angular momentum
and therefore its evolution during the first few million years. At
large scale jets inject momentum into the cloud thus affecting its
star formation efficiency and evolution. Many recent advances in
the star formation field in both theoretical and observa- tional
aspects together with the increasing availability of computational
resources, conveyed for a perfect opportunity to organise this
workshop which we entitled - Jets 2002: Theory and Observations in
YSOs. The workshop main aim was to provide a rich and varied ground
for discussion of thejet phenomenon in different astrophysical
objects, covering interdisciplinary areas such as steady state
winds, time-dependent winds/jets,jet energetics and jet/wind
propagation. The workshop took place at the Faculdade de
Arquitectura da Universidade do Porto from 3-5 September 2002 and
was part of the Joint European National Astronomical Meeting 2002
organized by Sociedade Portuguesa de Astronomia.
The workshop on The Very Large Telescope Interferometer: Challenges
for the Future, which was part of JENAM 2002 organised by Sociedade
Portuguesa de Astronomia, took place at the Departamentos de
Matematica Aplicada e Matemclt- ica Pura da Universidade do Porto
(FCUP) from the 5th to the 7th of September 2002. The Very Large
Telescope Interferometer (VLTI) is the major interferometric
facility in the world, operated by the European Southern
Observatory. It is a unique facility as it is available to the
community and has a sensitivity that will bring into reach vast
classes of objects in the fields of planet searches, star formation
and evolution and extragalatic astrophysics. The VLTI was open to
the community on a shared risk basis in March 2002. This workshop
was therefore an ideal place to obtain a broad view of optical
interferometry and its scientific prospects. The workshop started
with a presentation of the basics of interferometry the-
ory/practice, then of the VLT, Keck and LBT interferometers. The
VLTI instru- ments MIDI and AMBER were introduced to its users as
well as specific cal- ibration and modelling tools. The bulk of the
workshop addressed astrophysics being currently done with
interferometers with very high quality reviews in the fields star
formation, imaging, pulsating stars, Mira stars, active stellar
shells and extragalactic astronomy. The workshop featured some
talks presenting fresh VLTI data using the VINCI commissioning
instrument.
The workshop on The Very Large Telescope Interferometer: Challenges
for the Future, which was part of JENAM 2002 organised by Sociedade
Portuguesa de Astronomia, took place at the Departamentos de
Matematica Aplicada e Matemclt- ica Pura da Universidade do Porto
(FCUP) from the 5th to the 7th of September 2002. The Very Large
Telescope Interferometer (VLTI) is the major interferometric
facility in the world, operated by the European Southern
Observatory. It is a unique facility as it is available to the
community and has a sensitivity that will bring into reach vast
classes of objects in the fields of planet searches, star formation
and evolution and extragalatic astrophysics. The VLTI was open to
the community on a shared risk basis in March 2002. This workshop
was therefore an ideal place to obtain a broad view of optical
interferometry and its scientific prospects. The workshop started
with a presentation of the basics of interferometry the-
ory/practice, then of the VLT, Keck and LBT interferometers. The
VLTI instru- ments MIDI and AMBER were introduced to its users as
well as specific cal- ibration and modelling tools. The bulk of the
workshop addressed astrophysics being currently done with
interferometers with very high quality reviews in the fields star
formation, imaging, pulsating stars, Mira stars, active stellar
shells and extragalactic astronomy. The workshop featured some
talks presenting fresh VLTI data using the VINCI commissioning
instrument.
This volume presents the results of the workshop discussions on the
jet phenomenon on different astrophysical scales and covers
interdisciplinary areas such as steady state winds, time-dependent
winds/jets, jet energetics and jet/wind propagation.
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